diff --git a/Cargo.lock b/Cargo.lock
index eaceb90a693af..b696852c9708e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5409,9 +5409,9 @@ dependencies = [
 
 [[package]]
 name = "foyer"
-version = "0.10.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbfceb28a004d50b6110fd012db1d52d318d15f721dbb5b65eda261b821c1baa"
+checksum = "1b5f358e9b9492a9e9af905934ef4736a97a001fa19232f4a29f42974cf7a24c"
 dependencies = [
  "ahash 0.8.11",
  "anyhow",
@@ -5427,9 +5427,9 @@ dependencies = [
 
 [[package]]
 name = "foyer-common"
-version = "0.8.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ce1b903e1e142eafe8cd3183087fcd7ed6452e5dc8dfb5356a607ec2aa1c869"
+checksum = "e109f1fd012cc2f0785db5711c73c388fca2d2ac6e2aabb4eaa3a8af98b4dcdb"
 dependencies = [
  "bytes",
  "cfg-if",
@@ -5449,9 +5449,9 @@ dependencies = [
 
 [[package]]
 name = "foyer-intrusive"
-version = "0.8.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f7883ac7a8a69115f5bd84072a0b98d4ba72feacddf9040c217a5012bb352ff"
+checksum = "2e7ad91ad11f2c94bb4b3b88acd447f3145224415d776f163d2b06a9ed24e63a"
 dependencies = [
  "foyer-common",
  "itertools 0.13.0",
@@ -5459,9 +5459,9 @@ dependencies = [
 
 [[package]]
 name = "foyer-memory"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fd7b0ce80867803c6b197db20cc1a49fcecc9d5070d2fb829660ec19acf9e72"
+checksum = "29273589433f89d61347b196754bfa22357420d1adbf815d354c23512106a194"
 dependencies = [
  "ahash 0.8.11",
  "bitflags 2.5.0",
@@ -5482,9 +5482,9 @@ dependencies = [
 
 [[package]]
 name = "foyer-storage"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4205359a7ea9d05ff7525f0e55a5257a593c89b4e22ebfa07e06a84c2e163202"
+checksum = "79c20580e456ea337e4bdefa9fba7ff19b42cd87432bda3ef3579ef9e1057c7e"
 dependencies = [
  "ahash 0.8.11",
  "allocator-api2",
@@ -8914,38 +8914,6 @@ dependencies = [
  "zstd 0.13.0",
 ]
 
-[[package]]
-name = "parquet"
-version = "50.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "547b92ebf0c1177e3892f44c8f79757ee62e678d564a9834189725f2c5b7a750"
-dependencies = [
- "ahash 0.8.11",
- "arrow-array 50.0.0",
- "arrow-buffer 50.0.0",
- "arrow-cast 50.0.0",
- "arrow-data 50.0.0",
- "arrow-ipc 50.0.0",
- "arrow-schema 50.0.0",
- "arrow-select 50.0.0",
- "base64 0.21.7",
- "brotli 3.5.0",
- "bytes",
- "chrono",
- "flate2",
- "half 2.3.1",
- "hashbrown 0.14.3",
- "lz4_flex",
- "num",
- "num-bigint",
- "paste",
- "seq-macro",
- "snap",
- "thrift",
- "twox-hash",
- "zstd 0.13.0",
-]
-
 [[package]]
 name = "parquet"
 version = "52.0.0"
@@ -10694,6 +10662,7 @@ dependencies = [
  "memcomparable",
  "opendal",
  "parking_lot 0.12.1",
+ "parquet 52.0.0",
  "paste",
  "prometheus",
  "prost 0.12.1",
@@ -11203,7 +11172,6 @@ dependencies = [
  "opendal",
  "openssl",
  "parking_lot 0.12.1",
- "parquet 50.0.0",
  "paste",
  "pg_bigdecimal",
  "postgres-openssl",
@@ -11275,6 +11243,8 @@ dependencies = [
  "apache-avro 0.16.0",
  "chrono",
  "easy-ext",
+ "expect-test",
+ "hex",
  "itertools 0.12.1",
  "jsonbb",
  "jsonschema-transpiler",
@@ -11526,6 +11496,7 @@ dependencies = [
  "futures",
  "futures-async-stream",
  "iana-time-zone",
+ "iceberg",
  "icelake",
  "itertools 0.12.1",
  "jsonbb",
diff --git a/Cargo.toml b/Cargo.toml
index 80f3f5af2e8c7..57fda38e8629d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -77,7 +77,7 @@ license = "Apache-2.0"
 repository = "https://github.com/risingwavelabs/risingwave"
 
 [workspace.dependencies]
-foyer = { version = "0.10.0", features = ["nightly", "mtrace"] }
+foyer = { version = "0.10.1", features = ["nightly", "mtrace"] }
 apache-avro = { git = "https://github.com/risingwavelabs/avro", rev = "25113ba88234a9ae23296e981d8302c290fdaa4b", features = [
     "snappy",
     "zstandard",
@@ -171,7 +171,7 @@ deltalake = { git = "https://github.com/risingwavelabs/delta-rs", rev = "5c2dccd
 itertools = "0.12.0"
 jsonbb = "0.1.4"
 lru = { git = "https://github.com/risingwavelabs/lru-rs.git", rev = "2682b85" }
-parquet = "50"
+parquet = { version = "52", features = ["async"] }
 thiserror-ext = "0.1.2"
 tikv-jemalloc-ctl = { git = "https://github.com/risingwavelabs/jemallocator.git", rev = "64a2d9" }
 tikv-jemallocator = { git = "https://github.com/risingwavelabs/jemallocator.git", features = [
diff --git a/ci/scripts/docker-hdfs.sh b/ci/scripts/docker-hdfs.sh
index 5b46c3be50397..27bb48bbf83d8 100755
--- a/ci/scripts/docker-hdfs.sh
+++ b/ci/scripts/docker-hdfs.sh
@@ -10,10 +10,10 @@ BUILDKITE_COMMIT="HDFS_$(echo $RANDOM | md5sum | head -c 20;)"
 
 java_home_path=$(uname -m)
 if [ "$arch" = "arm64" ] || [ "$arch" = "aarch64" ]; then
-    java_home_path="/usr/lib/jvm/java-11-openjdk-arm64"
+    java_home_path="/usr/lib/jvm/java-17-openjdk-arm64"
 else
 # x86_64
-    java_home_path="/usr/lib/jvm/java-11-openjdk-amd64"
+    java_home_path="/usr/lib/jvm/java-17-openjdk-amd64"
 fi
 echo $java_home_path
 
diff --git a/docker/dashboards/risingwave-dev-dashboard.json b/docker/dashboards/risingwave-dev-dashboard.json
index 3e303bca36ae2..2fbe83c17c0b8 100644
--- a/docker/dashboards/risingwave-dev-dashboard.json
+++ b/docker/dashboards/risingwave-dev-dashboard.json
@@ -1 +1 @@
-{"__inputs":[],"annotations":{"list":[]},"description":"RisingWave Dev Dashboard","editable":true,"gnetId":null,"graphTooltip":0,"hideControls":false,"id":null,"links":[],"panels":[{"cacheTimeout":null,"collapsed":true,"datasource":null,"description":null,"editable":true,"error":false,"fieldConfig":{"defaults":{"thresholds":{"mode":"absolute","steps":[]}}},"gridPos":{"h":1,"w":24,"x":0,"y":0},"height":null,"hideTimeOverride":false,"id":1,"interval":null,"links":[],"maxDataPoints":100,"maxPerRow":null,"minSpan":null,"panels":[{"cacheTimeout":null,"color":{"mode":"thresholds"},"columns":[],"datasource":{"type":"prometheus","uid":"risedev-prometheus"},"description":"Information about actors","editable":true,"error":false,"fieldConfig":{"defaults":{"custom":{"align":"auto","displayMode":"auto","filterable":true},"thresholds":{"mode":"absolute","steps":[]},"unit":""},"overrides":[]},"fontSize":"100%","gridPos":{"h":8,"w":12,"x":0,"y":0},"height":null,"hideTimeOverride":false,"id":2,"interval":null,"links":[],"mappings":[],"maxDataPoints":100,"maxPerRow":null,"minSpan":null,"options":{"showHeader":true,"sortBy":[]},"repeat":null,"repeatDirection":null,"span":null,"targets":[{"datasource":{"type":"prometheus","uid":"risedev-prometheus"},"expr":"group(actor_info{job=~\"$job\",instance=~\"$node\"}) by (actor_id, fragment_id, compute_node)","format":"table","hide":false,"instant":true,"interval":"","intervalFactor":2,"legendFormat":"","metric":"","query":"group(actor_info{job=~\"$job\",instance=~\"$node\"}) by (actor_id, fragment_id, compute_node)","refId":"","step":10,"target":""}],"timeFrom":null,"timeShift":null,"title":"Actor Info","transformations":[{"id":"organize","options":{"excludeByName":{"Time":true,"Value":true},"indexByName":{"actor_id":0,"compute_node":2,"fragment_id":1}}}],"transparent":false,"type":"table"},{"cacheTimeout":null,"color":{"mode":"thresholds"},"columns":[],"datasource":{"type":"prometheus","uid":"risedev-prometheus"},"description":"Information about state tables. 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diff --git a/docker/dashboards/risingwave-user-dashboard.json b/docker/dashboards/risingwave-user-dashboard.json
index 037679704e38f..0d0619aad29ec 100644
--- a/docker/dashboards/risingwave-user-dashboard.json
+++ b/docker/dashboards/risingwave-user-dashboard.json
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diff --git a/docs/dev/src/tests/intro.md b/docs/dev/src/tests/intro.md
index 8db7185b44eab..7e99ca9b20884 100644
--- a/docs/dev/src/tests/intro.md
+++ b/docs/dev/src/tests/intro.md
@@ -18,7 +18,7 @@ RisingWave requires all code to pass fmt, clippy, sort and hakari checks. Run th
 
 There are also some miscellaneous checks. See `ci/scripts/misc-check.sh`.
 
-## Unit tests
+### Unit and integration tests
 
 RiseDev runs unit tests with cargo-nextest. To run unit tests:
 
@@ -26,6 +26,13 @@ RiseDev runs unit tests with cargo-nextest. To run unit tests:
 ./risedev test          # Run unit tests
 ```
 
+Some ideas and caveats for writing tests:
+- Use [expect_test](https://github.com/rust-analyzer/expect-test) to write data driven tests that can automatically update results.
+- It's recommended to write new tests as *integration tests* (i.e. in `tests/` directory) instead of *unit tests* (i.e. in `src/` directory).
+
+  Besides, put integration tests under `tests/integration_tests/*.rs`, instead of `tests/*.rs`. See [Delete Cargo Integration Tests](https://matklad.github.io/2021/02/27/delete-cargo-integration-tests.html) and [#9878](https://github.com/risingwavelabs/risingwave/issues/9878), for more details.
+
+You might want to read [How to Test](https://matklad.github.io/2021/05/31/how-to-test.html) for more good ideas on testing.
 
 ## Planner tests
 
diff --git a/e2e_test/iceberg/test_case/append_only_with_checkpoint_interval.slt b/e2e_test/iceberg/test_case/append_only_with_checkpoint_interval.slt
index 7d1f9254e4683..0a8a042a86ac4 100644
--- a/e2e_test/iceberg/test_case/append_only_with_checkpoint_interval.slt
+++ b/e2e_test/iceberg/test_case/append_only_with_checkpoint_interval.slt
@@ -29,7 +29,7 @@ CREATE SINK sink1 AS select * from mv1 WITH (
     table.name = 't1',
     catalog.name = 'demo',
     catalog.type = 'storage',
-    warehouse.path = 's3://icebergdata/demo',
+    warehouse.path = 's3a://icebergdata/demo',
     s3.endpoint = 'http://127.0.0.1:9301',
     s3.region = 'us-east-1',
     s3.access.key = 'hummockadmin',
@@ -45,7 +45,7 @@ CREATE SINK sink2 AS select * from mv1 WITH (
     table.name = 't2',
     catalog.name = 'demo',
     catalog.type = 'storage',
-    warehouse.path = 's3://icebergdata/demo',
+    warehouse.path = 's3a://icebergdata/demo',
     s3.endpoint = 'http://127.0.0.1:9301',
     s3.region = 'us-east-1',
     s3.access.key = 'hummockadmin',
diff --git a/e2e_test/iceberg/test_case/cdc/load.slt b/e2e_test/iceberg/test_case/cdc/load.slt
index e9f1d815d20cb..df0c319990374 100644
--- a/e2e_test/iceberg/test_case/cdc/load.slt
+++ b/e2e_test/iceberg/test_case/cdc/load.slt
@@ -28,7 +28,7 @@ CREATE SINK s1 AS select * from products WITH (
     database.name = 'demo_db',
     table.name = 'demo_table',
     catalog.type = 'storage',
-    warehouse.path = 's3://icebergdata/demo',
+    warehouse.path = 's3a://icebergdata/demo',
     s3.endpoint = 'http://127.0.0.1:9301',
     s3.region = 'us-east-1',
     s3.access.key = 'hummockadmin',
diff --git a/e2e_test/iceberg/test_case/iceberg_sink_no_partition_append_only_table.slt b/e2e_test/iceberg/test_case/iceberg_sink_no_partition_append_only_table.slt
index 505bf0ba7d21c..658a9ae8563e1 100644
--- a/e2e_test/iceberg/test_case/iceberg_sink_no_partition_append_only_table.slt
+++ b/e2e_test/iceberg/test_case/iceberg_sink_no_partition_append_only_table.slt
@@ -28,7 +28,7 @@ CREATE SINK s6 AS select * from mv6 WITH (
     table.name = 'no_partition_append_only_table',
     catalog.name = 'demo',
     catalog.type = 'storage',
-    warehouse.path = 's3://icebergdata/demo',
+    warehouse.path = 's3a://icebergdata/demo',
     s3.endpoint = 'http://127.0.0.1:9301',
     s3.region = 'us-east-1',
     s3.access.key = 'hummockadmin',
diff --git a/e2e_test/iceberg/test_case/iceberg_sink_no_partition_append_only_table_verify.slt b/e2e_test/iceberg/test_case/iceberg_sink_no_partition_append_only_table_verify.slt
index 74629053344b5..a789782367261 100644
--- a/e2e_test/iceberg/test_case/iceberg_sink_no_partition_append_only_table_verify.slt
+++ b/e2e_test/iceberg/test_case/iceberg_sink_no_partition_append_only_table_verify.slt
@@ -7,7 +7,7 @@ WITH (
     s3.access.key = 'hummockadmin',
     s3.secret.key = 'hummockadmin',
     catalog.type = 'storage',
-    warehouse.path = 's3://icebergdata/demo',
+    warehouse.path = 's3a://icebergdata/demo',
     database.name = 'demo_db',
     table.name = 'no_partition_append_only_table',
 );
diff --git a/e2e_test/iceberg/test_case/iceberg_sink_no_partition_upsert_table.slt b/e2e_test/iceberg/test_case/iceberg_sink_no_partition_upsert_table.slt
index b59c7013290ec..1ff15295c745a 100644
--- a/e2e_test/iceberg/test_case/iceberg_sink_no_partition_upsert_table.slt
+++ b/e2e_test/iceberg/test_case/iceberg_sink_no_partition_upsert_table.slt
@@ -16,7 +16,7 @@ CREATE SINK s6 AS select mv6.id as id, mv6.v1 as v1, mv6.v2 as v2, mv6.v3 as v3,
     database.name = 'demo_db',
     table.name = 'no_partition_upsert_table',
     catalog.type = 'storage',
-    warehouse.path = 's3://icebergdata/demo',
+    warehouse.path = 's3a://icebergdata/demo',
     s3.endpoint = 'http://127.0.0.1:9301',
     s3.region = 'us-east-1',
     s3.access.key = 'hummockadmin',
diff --git a/e2e_test/iceberg/test_case/iceberg_sink_partition_append_only_table.slt b/e2e_test/iceberg/test_case/iceberg_sink_partition_append_only_table.slt
index da55b35626ff3..bd328f7834d6f 100644
--- a/e2e_test/iceberg/test_case/iceberg_sink_partition_append_only_table.slt
+++ b/e2e_test/iceberg/test_case/iceberg_sink_partition_append_only_table.slt
@@ -28,7 +28,7 @@ CREATE SINK s6 AS select * from mv6 WITH (
     table.name = 'partition_append_only_table',
     catalog.name = 'demo',
     catalog.type = 'storage',
-    warehouse.path = 's3://icebergdata/demo',
+    warehouse.path = 's3a://icebergdata/demo',
     s3.endpoint = 'http://127.0.0.1:9301',
     s3.region = 'us-east-1',
     s3.access.key = 'hummockadmin',
diff --git a/e2e_test/iceberg/test_case/iceberg_sink_partition_append_only_table_verify.slt b/e2e_test/iceberg/test_case/iceberg_sink_partition_append_only_table_verify.slt
index 4e6beb709f920..58d848b54cb21 100644
--- a/e2e_test/iceberg/test_case/iceberg_sink_partition_append_only_table_verify.slt
+++ b/e2e_test/iceberg/test_case/iceberg_sink_partition_append_only_table_verify.slt
@@ -7,7 +7,7 @@ WITH (
     s3.access.key = 'hummockadmin',
     s3.secret.key = 'hummockadmin',
     catalog.type = 'storage',
-    warehouse.path = 's3://icebergdata/demo',
+    warehouse.path = 's3a://icebergdata/demo',
     database.name = 'demo_db',
     table.name = 'partition_append_only_table',
 );
diff --git a/e2e_test/iceberg/test_case/iceberg_sink_partition_upsert_table.slt b/e2e_test/iceberg/test_case/iceberg_sink_partition_upsert_table.slt
index 20800c1b4787d..1435e03877f40 100644
--- a/e2e_test/iceberg/test_case/iceberg_sink_partition_upsert_table.slt
+++ b/e2e_test/iceberg/test_case/iceberg_sink_partition_upsert_table.slt
@@ -16,7 +16,7 @@ CREATE SINK s6 AS select mv6.id as id, mv6.v1 as v1, mv6.v2 as v2, mv6.v3 as v3,
     database.name = 'demo_db',
     table.name = 'partition_upsert_table',
     catalog.type = 'storage',
-    warehouse.path = 's3://icebergdata/demo',
+    warehouse.path = 's3a://icebergdata/demo',
     s3.endpoint = 'http://127.0.0.1:9301',
     s3.region = 'us-east-1',
     s3.access.key = 'hummockadmin',
diff --git a/e2e_test/iceberg/test_case/iceberg_sink_range_partition_append_only_table.slt b/e2e_test/iceberg/test_case/iceberg_sink_range_partition_append_only_table.slt
index 2a8d562b66068..e71fe49f31f9c 100644
--- a/e2e_test/iceberg/test_case/iceberg_sink_range_partition_append_only_table.slt
+++ b/e2e_test/iceberg/test_case/iceberg_sink_range_partition_append_only_table.slt
@@ -28,7 +28,7 @@ CREATE SINK s6 AS select * from mv6 WITH (
     table.name = 'range_partition_append_only_table',
     catalog.name = 'demo',
     catalog.type = 'storage',
-    warehouse.path = 's3://icebergdata/demo',
+    warehouse.path = 's3a://icebergdata/demo',
     s3.endpoint = 'http://127.0.0.1:9301',
     s3.region = 'us-east-1',
     s3.access.key = 'hummockadmin',
diff --git a/e2e_test/iceberg/test_case/iceberg_sink_range_partition_append_only_table_verify.slt b/e2e_test/iceberg/test_case/iceberg_sink_range_partition_append_only_table_verify.slt
index 9d03d99aada1b..eaa6b3d95eb6a 100644
--- a/e2e_test/iceberg/test_case/iceberg_sink_range_partition_append_only_table_verify.slt
+++ b/e2e_test/iceberg/test_case/iceberg_sink_range_partition_append_only_table_verify.slt
@@ -7,7 +7,7 @@ WITH (
     s3.access.key = 'hummockadmin',
     s3.secret.key = 'hummockadmin',
     catalog.type = 'storage',
-    warehouse.path = 's3://icebergdata/demo',
+    warehouse.path = 's3a://icebergdata/demo',
     database.name = 'demo_db',
     table.name = 'range_partition_append_only_table',
 );
diff --git a/e2e_test/iceberg/test_case/iceberg_sink_range_partition_upsert_table.slt b/e2e_test/iceberg/test_case/iceberg_sink_range_partition_upsert_table.slt
index 6e963b0e16615..daf1ceaa40bf8 100644
--- a/e2e_test/iceberg/test_case/iceberg_sink_range_partition_upsert_table.slt
+++ b/e2e_test/iceberg/test_case/iceberg_sink_range_partition_upsert_table.slt
@@ -16,7 +16,7 @@ CREATE SINK s6 AS select mv6.id as id, mv6.v1 as v1, mv6.v2 as v2, mv6.v3 as v3,
     database.name = 'demo_db',
     table.name = 'range_partition_upsert_table',
     catalog.type = 'storage',
-    warehouse.path = 's3://icebergdata/demo',
+    warehouse.path = 's3a://icebergdata/demo',
     s3.endpoint = 'http://127.0.0.1:9301',
     s3.region = 'us-east-1',
     s3.access.key = 'hummockadmin',
diff --git a/e2e_test/sink/iceberg_sink.slt b/e2e_test/sink/iceberg_sink.slt
index 05cf2d1108b36..a7f7567075e98 100644
--- a/e2e_test/sink/iceberg_sink.slt
+++ b/e2e_test/sink/iceberg_sink.slt
@@ -9,7 +9,7 @@ CREATE SINK s6 AS select mv6.v1 as v1, mv6.v2 as v2, mv6.v3 as v3 from mv6 WITH
     connector = 'iceberg',
     type = 'upsert',
     primary_key = 'v1',
-    warehouse.path = 's3://iceberg',
+    warehouse.path = 's3a://iceberg',
     s3.endpoint = 'http://127.0.0.1:9301',
     s3.access.key = 'hummockadmin',
     s3.secret.key = 'hummockadmin',
@@ -23,7 +23,7 @@ CREATE SINK s6 AS select mv6.v1 as v1, mv6.v2 as v2, mv6.v3 as v3 from mv6 WITH
 statement ok
 CREATE SOURCE iceberg_demo_source WITH (
     connector = 'iceberg',
-    warehouse.path = 's3://iceberg',
+    warehouse.path = 's3a://iceberg',
     s3.endpoint = 'http://127.0.0.1:9301',
     s3.access.key = 'hummockadmin',
     s3.secret.key = 'hummockadmin',
diff --git a/e2e_test/source/cdc/postgres_cdc.sql b/e2e_test/source/cdc/postgres_cdc.sql
index 6579bc2683037..43a120a19d50f 100644
--- a/e2e_test/source/cdc/postgres_cdc.sql
+++ b/e2e_test/source/cdc/postgres_cdc.sql
@@ -1,4 +1,5 @@
 -- PG
+DROP TABLE IF EXISTS shipments;
 CREATE TABLE shipments (
   shipment_id SERIAL NOT NULL PRIMARY KEY,
   order_id SERIAL NOT NULL,
diff --git a/e2e_test/source/cdc_inline/alter/cdc_table_alter.slt b/e2e_test/source/cdc_inline/alter/cdc_table_alter.slt
new file mode 100644
index 0000000000000..6bea5dce2fe45
--- /dev/null
+++ b/e2e_test/source/cdc_inline/alter/cdc_table_alter.slt
@@ -0,0 +1,242 @@
+control substitution on
+
+# mysql env vars will be read from the `.risingwave/config/risedev-env` file
+
+system ok
+mysql -e "
+    SET GLOBAL time_zone = '+00:00';
+"
+
+system ok
+mysql -e "
+  DROP DATABASE IF EXISTS testdb1;
+  CREATE DATABASE testdb1;
+  USE testdb1;
+  CREATE TABLE products (
+      id INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY,
+      name VARCHAR(255) NOT NULL,
+      description VARCHAR(512)
+  );
+  ALTER TABLE products AUTO_INCREMENT = 101;
+  INSERT INTO products
+  VALUES (default,'scooter','Small 2-wheel scooter'),
+         (default,'car battery','12V car battery'),
+         (default,'12-pack drill','12-pack of drill bits with sizes ranging from #40 to #3'),
+         (default,'hammer','12oz carpenter s hammer'),
+         (default,'hammer','14oz carpenter s hammer'),
+         (default,'hammer','16oz carpenter s hammer'),
+         (default,'rocks','box of assorted rocks'),
+         (default,'jacket','water resistent black wind breaker'),
+         (default,'spare tire','24 inch spare tire');
+  CREATE TABLE orders (
+      order_id INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY,
+      order_date DATETIME NOT NULL,
+      customer_name VARCHAR(255) NOT NULL,
+      price DECIMAL(10, 5) NOT NULL,
+      product_id INTEGER NOT NULL,
+      order_status BOOLEAN NOT NULL
+  ) AUTO_INCREMENT = 10001;
+  INSERT INTO orders
+  VALUES (default, '2020-07-30 10:08:22', 'Jark', 50.50, 102, false),
+         (default, '2020-07-30 10:11:09', 'Sally', 15.00, 105, false),
+         (default, '2020-07-30 12:00:30', 'Edward', 25.25, 106, false);
+"
+
+statement ok
+create source mysql_source with (
+  connector = 'mysql-cdc',
+  hostname = '${MYSQL_HOST}',
+  port = '${MYSQL_TCP_PORT}',
+  username = 'root',
+  password = '${MYSQL_PWD}',
+  database.name = 'testdb1',
+  server.id = '5185'
+);
+
+statement ok
+create table my_products ( id INT,
+ name STRING,
+ description STRING,
+ PRIMARY KEY (id)
+) from mysql_source table 'testdb1.products';
+
+statement ok
+create table my_orders (
+   order_id int,
+   order_date timestamp,
+   customer_name string,
+   price decimal,
+   product_id int,
+   order_status smallint,
+   PRIMARY KEY (order_id)
+) from mysql_source table 'testdb1.orders';
+
+system ok
+psql -c "
+  DROP TABLE IF EXISTS shipments1;
+  CREATE TABLE shipments1 (
+    shipment_id SERIAL NOT NULL PRIMARY KEY,
+    order_id SERIAL NOT NULL,
+    origin VARCHAR(255) NOT NULL,
+    destination VARCHAR(255) NOT NULL,
+    is_arrived BOOLEAN NOT NULL
+  );
+  ALTER SEQUENCE public.shipments1_shipment_id_seq RESTART WITH 1001;
+  INSERT INTO shipments1
+  VALUES (default,10001,'Beijing','Shanghai',false),
+         (default,10002,'Hangzhou','Shanghai',false),
+         (default,10003,'Shanghai','Hangzhou',false);
+"
+
+statement ok
+create source pg_source with (
+  connector = 'postgres-cdc',
+  hostname = '${PGHOST:localhost}',
+  port = '${PGPORT:5432}',
+  username = '${PGUSER:$USER}',
+  password = '${PGPASSWORD:}',
+  database.name = '${PGDATABASE:postgres}',
+  slot.name = 'cdc_alter_test'
+);
+
+statement ok
+create table pg_shipments (
+  shipment_id INTEGER,
+  order_id INTEGER,
+  origin STRING,
+  destination STRING,
+  is_arrived boolean,
+ PRIMARY KEY (shipment_id)
+) from pg_source table 'public.shipments1';
+
+# Create a mview join orders, products and shipments
+statement ok
+create materialized view enriched_orders as SELECT o.*, p.name, p.description, s.shipment_id, s.origin, s.destination, s.is_arrived
+ FROM my_orders AS o
+ LEFT JOIN my_products AS p ON o.product_id = p.id
+ LEFT JOIN pg_shipments AS s ON o.order_id = s.order_id;
+
+
+sleep 3s
+
+query III
+select order_id, product_id, shipment_id from enriched_orders order by order_id;
+----
+10001  102   1001
+10002  105   1002
+10003  106   1003
+
+
+# alter mysql tables
+system ok
+mysql -e "
+  USE testdb1;
+  ALTER TABLE products ADD COLUMN weight DECIMAL(10, 2) NOT NULL DEFAULT 0.0;
+  ALTER TABLE orders ADD COLUMN order_comment VARCHAR(255);
+"
+
+# alter cdc tables
+statement ok
+ALTER TABLE my_products ADD COLUMN weight DECIMAL;
+
+statement ok
+ALTER TABLE my_orders ADD COLUMN order_comment VARCHAR;
+
+# wait alter ddl
+sleep 3s
+
+query ITTT
+SELECT id,name,description,weight FROM my_products order by id limit 3
+----
+101 scooter Small 2-wheel scooter NULL
+102 car battery 12V car battery NULL
+103 12-pack drill 12-pack of drill bits with sizes ranging from #40 to #3 NULL
+
+
+# update mysql tables
+system ok
+mysql -e "
+  USE testdb1;
+  UPDATE products SET weight = 10.5 WHERE id = 101;
+  UPDATE products SET weight = 12.5 WHERE id = 102;
+  UPDATE orders SET order_comment = 'very good' WHERE order_id = 10001;
+"
+
+sleep 3s
+
+query ITTT
+SELECT id,name,description,weight FROM my_products order by id limit 3
+----
+101 scooter Small 2-wheel scooter 10.50
+102 car battery 12V car battery 12.50
+103 12-pack drill 12-pack of drill bits with sizes ranging from #40 to #3 NULL
+
+query ITTT
+SELECT order_id,order_date,customer_name,product_id,order_status,order_comment FROM my_orders order by order_id limit 2
+----
+10001 2020-07-30 10:08:22 Jark 102 0 very good
+10002 2020-07-30 10:11:09 Sally 105 0 NULL
+
+
+# alter mysql tables
+system ok
+mysql -e "
+  USE testdb1;
+  ALTER TABLE products DROP COLUMN weight;
+"
+
+# alter cdc table to drop column
+statement ok
+ALTER TABLE my_products DROP COLUMN weight;
+
+# wait alter ddl
+sleep 3s
+
+query TTTT
+describe my_products;
+----
+id integer false NULL
+name character varying false NULL
+description character varying false NULL
+primary key id NULL NULL
+distribution key id NULL NULL
+table description my_products NULL NULL
+
+
+# alter pg table
+system ok
+psql -c "
+  ALTER TABLE shipments1 DROP COLUMN destination;
+"
+
+statement error unable to drop the column due to being referenced by downstream materialized views or sinks
+ALTER TABLE pg_shipments DROP COLUMN destination;
+
+# wait alter ddl
+sleep 3s
+
+# query mv again
+query III
+select order_id, product_id, shipment_id from enriched_orders order by order_id;
+----
+10001  102   1001
+10002  105   1002
+10003  106   1003
+
+statement ok
+drop materialized view enriched_orders;
+
+statement ok
+drop table my_orders;
+
+statement ok
+create table orders_test (*) from mysql_source table 'testdb1.orders';
+
+statement error Not supported: alter a table with empty column definitions
+ALTER TABLE orders_test ADD COLUMN order_comment VARCHAR;
+
+statement ok
+drop source mysql_source cascade;
+
+statement ok
+drop source pg_source cascade;
diff --git a/grafana/risingwave-dev-dashboard.dashboard.py b/grafana/risingwave-dev-dashboard.dashboard.py
index 1d0bab6a73d41..f871824d18296 100644
--- a/grafana/risingwave-dev-dashboard.dashboard.py
+++ b/grafana/risingwave-dev-dashboard.dashboard.py
@@ -1232,21 +1232,17 @@ def section_streaming_actors(outer_panels):
                         ),
                     ],
                 ),
-                panels.timeseries_actor_latency(
-                    "Executor Barrier Align",
+                panels.timeseries_percentage(
+                    "Executor Barrier Align Per Second",
                     "",
                     [
-                        *quantile(
-                            lambda quantile, legend: panels.target(
-                                f"histogram_quantile({quantile}, sum(rate({metric('stream_barrier_align_duration_bucket')}[$__rate_interval])) by (le, executor, fragment_id, wait_side, {COMPONENT_LABEL}))",
-                                f"p{legend} - executor {{{{executor}}}} fragment {{{{fragment_id}}}} {{{{wait_side}}}} - {{{{{COMPONENT_LABEL}}}}}",
-                            ),
-                            [90, 99, 999, "max"],
-                        ),
                         panels.target(
-                            f"sum by(le, executor, fragment_id, wait_side, job)(rate({metric('stream_barrier_align_duration_sum')}[$__rate_interval])) / sum by(le,executor,fragment_id,wait_side,{COMPONENT_LABEL}) (rate({metric('stream_barrier_align_duration_count')}[$__rate_interval])) > 0",
-                            "avg - executor {{executor}} fragment {{fragment_id}} {{wait_side}} - {{%s}}"
-                            % COMPONENT_LABEL,
+                            f"avg(rate({metric('stream_barrier_align_duration_ns')}[$__rate_interval]) / 1000000000) by (fragment_id,wait_side, executor)",
+                            "fragment {{fragment_id}} {{wait_side}} {{executor}}",
+                        ),
+                        panels.target_hidden(
+                            f"rate({metric('stream_barrier_align_duration_ns')}[$__rate_interval]) / 1000000000",
+                            "actor {{actor_id}} fragment {{fragment_id}} {{wait_side}} {{executor}}",
                         ),
                     ],
                 ),
diff --git a/grafana/risingwave-dev-dashboard.json b/grafana/risingwave-dev-dashboard.json
index 3e303bca36ae2..2fbe83c17c0b8 100644
--- a/grafana/risingwave-dev-dashboard.json
+++ b/grafana/risingwave-dev-dashboard.json
@@ -1 +1 @@
-{"__inputs":[],"annotations":{"list":[]},"description":"RisingWave Dev Dashboard","editable":true,"gnetId":null,"graphTooltip":0,"hideControls":false,"id":null,"links":[],"panels":[{"cacheTimeout":null,"collapsed":true,"datasource":null,"description":null,"editable":true,"error":false,"fieldConfig":{"defaults":{"thresholds":{"mode":"absolute","steps":[]}}},"gridPos":{"h":1,"w":24,"x":0,"y":0},"height":null,"hideTimeOverride":false,"id":1,"interval":null,"links":[],"maxDataPoints":100,"maxPerRow":null,"minSpan":null,"panels":[{"cacheTimeout":null,"color":{"mode":"thresholds"},"columns":[],"datasource":{"type":"prometheus","uid":"risedev-prometheus"},"description":"Information about actors","editable":true,"error":false,"fieldConfig":{"defaults":{"custom":{"align":"auto","displayMode":"auto","filterable":true},"thresholds":{"mode":"absolute","steps":[]},"unit":""},"overrides":[]},"fontSize":"100%","gridPos":{"h":8,"w":12,"x":0,"y":0},"height":null,"hideTimeOverride":false,"id":2,"interval":null,"links":[],"mappings":[],"maxDataPoints":100,"maxPerRow":null,"minSpan":null,"options":{"showHeader":true,"sortBy":[]},"repeat":null,"repeatDirection":null,"span":null,"targets":[{"datasource":{"type":"prometheus","uid":"risedev-prometheus"},"expr":"group(actor_info{job=~\"$job\",instance=~\"$node\"}) by (actor_id, fragment_id, compute_node)","format":"table","hide":false,"instant":true,"interval":"","intervalFactor":2,"legendFormat":"","metric":"","query":"group(actor_info{job=~\"$job\",instance=~\"$node\"}) by (actor_id, fragment_id, compute_node)","refId":"","step":10,"target":""}],"timeFrom":null,"timeShift":null,"title":"Actor Info","transformations":[{"id":"organize","options":{"excludeByName":{"Time":true,"Value":true},"indexByName":{"actor_id":0,"compute_node":2,"fragment_id":1}}}],"transparent":false,"type":"table"},{"cacheTimeout":null,"color":{"mode":"thresholds"},"columns":[],"datasource":{"type":"prometheus","uid":"risedev-prometheus"},"description":"Information about state tables. Column `materialized_view_id` is the id of the materialized view that this state table belongs to.","editable":true,"error":false,"fieldConfig":{"defaults":{"custom":{"align":"auto","displayMode":"auto","filterable":true},"thresholds":{"mode":"absolute","steps":[]},"unit":""},"overrides":[]},"fontSize":"100%","gridPos":{"h":8,"w":12,"x":12,"y":0},"height":null,"hideTimeOverride":false,"id":3,"interval":null,"links":[],"mappings":[],"maxDataPoints":100,"maxPerRow":null,"minSpan":null,"options":{"showHeader":true,"sortBy":[]},"repeat":null,"repeatDirection":null,"span":null,"targets":[{"datasource":{"type":"prometheus","uid":"risedev-prometheus"},"expr":"group(table_info{job=~\"$job\",instance=~\"$node\"}) by (table_id, table_name, table_type, materialized_view_id, fragment_id, compaction_group_id)","format":"table","hide":false,"instant":true,"interval":"","intervalFactor":2,"legendFormat":"","metric":"","query":"group(table_info{job=~\"$job\",instance=~\"$node\"}) by (table_id, 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diff --git a/grafana/risingwave-user-dashboard.json b/grafana/risingwave-user-dashboard.json
index 037679704e38f..0d0619aad29ec 100644
--- a/grafana/risingwave-user-dashboard.json
+++ b/grafana/risingwave-user-dashboard.json
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instance))","refId":"","step":10,"target":""},{"datasource":{"type":"prometheus","uid":"risedev-prometheus"},"expr":"histogram_quantile(0.99, sum(rate(frontend_latency_local_execution_bucket{job=~\"$job\",instance=~\"$node\"}[$__rate_interval])) by (le, job, instance))","format":"time_series","hide":false,"instant":false,"interval":"","intervalFactor":2,"legendFormat":"p99 - {{job}} @ {{instance}}","metric":"","query":"histogram_quantile(0.99, sum(rate(frontend_latency_local_execution_bucket{job=~\"$job\",instance=~\"$node\"}[$__rate_interval])) by (le, job, instance))","refId":"","step":10,"target":""},{"datasource":{"type":"prometheus","uid":"risedev-prometheus"},"expr":"histogram_quantile(1.0, sum(rate(frontend_latency_local_execution_bucket{job=~\"$job\",instance=~\"$node\"}[$__rate_interval])) by (le, job, instance))","format":"time_series","hide":false,"instant":false,"interval":"","intervalFactor":2,"legendFormat":"pmax - {{job}} @ {{instance}}","metric":"","query":"histogram_quantile(1.0, sum(rate(frontend_latency_local_execution_bucket{job=~\"$job\",instance=~\"$node\"}[$__rate_interval])) by (le, job, instance))","refId":"","step":10,"target":""}],"timeFrom":null,"timeShift":null,"title":"Query Latency in Local Execution Mode","transformations":[],"transparent":false,"type":"timeseries"}],"repeat":null,"repeatDirection":null,"span":null,"targets":[],"timeFrom":null,"timeShift":null,"title":"Batch","transformations":[],"transparent":false,"type":"row"},{"cacheTimeout":null,"collapsed":true,"datasource":null,"description":null,"editable":true,"error":false,"fieldConfig":{"defaults":{"thresholds":{"mode":"absolute","steps":[]}}},"gridPos":{"h":1,"w":24,"x":0,"y":48},"height":null,"hideTimeOverride":false,"id":52,"interval":null,"links":[],"maxDataPoints":100,"maxPerRow":null,"minSpan":null,"panels":[{"cacheTimeout":null,"datasource":{"type":"prometheus","uid":"risedev-prometheus"},"description":"","editable":true,"error":false,"fieldConfig":{"defaults":{"color":{"mode":"palette-classic"},"custom":{"axisLabel":"","axisPlacement":"auto","barAlignment":0,"drawStyle":"line","fillOpacity":10,"gradientMode":"none","hideFrom":{"legend":false,"tooltip":false,"viz":false},"lineInterpolation":"linear","lineWidth":1,"pointSize":5,"scaleDistribution":{"log":2,"type":"linear"},"showPoints":"auto","spanNulls":false,"stacking":{},"thresholdsStyle":{"mode":"off"}},"mappings":[],"thresholds":{"mode":"absolute","steps":[]},"unit":"rows/s"},"overrides":[]},"gridPos":{"h":8,"w":12,"x":0,"y":0},"height":null,"hideTimeOverride":false,"id":53,"interval":"1s","links":[],"maxDataPoints":1000,"maxPerRow":null,"minSpan":null,"options":{"legend":{"calcs":["mean"],"displayMode":"table","placement":"bottom"},"tooltip":{"mode":"single"}},"repeat":null,"repeatDirection":null,"span":null,"targets":[{"datasource":{"type":"prometheus","uid":"risedev-prometheus"},"expr":"rate(connector_source_rows_received{job=~\"$job\",instance=~\"$node\"}[$__rate_interval])","format":"time_series","hide":false,"instant":false,"interval":"","intervalFactor":2,"legendFormat":"source={{source_type}} @ {{source_id}}","metric":"","query":"rate(connector_source_rows_received{job=~\"$job\",instance=~\"$node\"}[$__rate_interval])","refId":"","step":10,"target":""}],"timeFrom":null,"timeShift":null,"title":"Connector Source Throughput(rows)","transformations":[],"transparent":false,"type":"timeseries"},{"cacheTimeout":null,"datasource":{"type":"prometheus","uid":"risedev-prometheus"},"description":"","editable":true,"error":false,"fieldConfig":{"defaults":{"color":{"mode":"palette-classic"},"custom":{"axisLabel":"","axisPlacement":"auto","barAlignment":0,"drawStyle":"line","fillOpacity":10,"gradientMode":"none","hideFrom":{"legend":false,"tooltip":false,"viz":false},"lineInterpolation":"linear","lineWidth":1,"pointSize":5,"scaleDistribution":{"log":2,"type":"linear"},"showPoints":"auto","spanNulls":false,"stacking":{},"thresholdsStyle":{"mode":"off"}},"mappings":[],"thresholds":{"mode":"absolute","steps":[]},"unit":"rows/s"},"overrides":[]},"gridPos":{"h":8,"w":12,"x":12,"y":0},"height":null,"hideTimeOverride":false,"id":54,"interval":"1s","links":[],"maxDataPoints":1000,"maxPerRow":null,"minSpan":null,"options":{"legend":{"calcs":["mean"],"displayMode":"table","placement":"bottom"},"tooltip":{"mode":"single"}},"repeat":null,"repeatDirection":null,"span":null,"targets":[{"datasource":{"type":"prometheus","uid":"risedev-prometheus"},"expr":"rate(connector_sink_rows_received{job=~\"$job\",instance=~\"$node\"}[$__rate_interval])","format":"time_series","hide":false,"instant":false,"interval":"","intervalFactor":2,"legendFormat":"sink={{connector_type}} @ {{sink_id}}","metric":"","query":"rate(connector_sink_rows_received{job=~\"$job\",instance=~\"$node\"}[$__rate_interval])","refId":"","step":10,"target":""}],"timeFrom":null,"timeShift":null,"title":"Connector Sink Throughput(rows)","transformations":[],"transparent":false,"type":"timeseries"}],"repeat":null,"repeatDirection":null,"span":null,"targets":[],"timeFrom":null,"timeShift":null,"title":"Connector Node","transformations":[],"transparent":false,"type":"row"}],"refresh":"","rows":[],"schemaVersion":12,"sharedCrosshair":true,"style":"dark","tags":["risingwave"],"templating":{"list":[{"current":{"selected":false,"text":"All","value":"__all"},"definition":"label_values(process_cpu_seconds_total, instance)","description":"Reporting instance of the metric","hide":0,"includeAll":true,"label":"Node","multi":true,"name":"node","options":[],"query":{"query":"label_values(process_cpu_seconds_total, instance)","refId":"StandardVariableQuery"},"refresh":2,"regex":"","skipUrlSync":false,"sort":6,"type":"query"},{"current":{"selected":false,"text":"All","value":"__all"},"definition":"label_values(process_cpu_seconds_total, job)","description":"Reporting job of the metric","hide":0,"includeAll":true,"label":"Job","multi":true,"name":"job","options":[],"query":{"query":"label_values(process_cpu_seconds_total, job)","refId":"StandardVariableQuery"},"refresh":2,"regex":"","skipUrlSync":false,"sort":6,"type":"query"}]},"time":{"from":"now-30m","to":"now"},"timepicker":{"hidden":false,"refresh_intervals":["5s","10s","30s","1m","5m","15m","30m","1h","2h","1d"],"time_options":["5m","15m","1h","6h","12h","24h","2d","7d","30d"]},"timezone":"browser","title":"risingwave_dashboard","uid":"Fcy3uV1nz","version":0}
diff --git a/integration_tests/iceberg-sink2/docker/hive/config.ini b/integration_tests/iceberg-sink2/docker/hive/config.ini
index d644f3c0d46a1..55a03c3f94753 100644
--- a/integration_tests/iceberg-sink2/docker/hive/config.ini
+++ b/integration_tests/iceberg-sink2/docker/hive/config.ini
@@ -10,7 +10,7 @@ type=append-only
 force_append_only = true
 catalog.type = hive
 catalog.uri = thrift://metastore:9083
-warehouse.path = s3://icebergdata/demo
+warehouse.path = s3a://icebergdata/demo
 s3.endpoint=http://minio-0:9301
 s3.access.key = hummockadmin
 s3.secret.key = hummockadmin
diff --git a/integration_tests/iceberg-sink2/docker/storage/config.ini b/integration_tests/iceberg-sink2/docker/storage/config.ini
index 13e912b8fc3b8..b4e8263f23092 100644
--- a/integration_tests/iceberg-sink2/docker/storage/config.ini
+++ b/integration_tests/iceberg-sink2/docker/storage/config.ini
@@ -14,6 +14,6 @@ s3.secret.key = hummockadmin
 s3.region = ap-southeast-1
 catalog.type = storage
 catalog.name = demo
-warehouse.path = s3://icebergdata/demo
+warehouse.path = s3a://icebergdata/demo
 database.name=s1
 table.name=t1
\ No newline at end of file
diff --git a/integration_tests/iceberg-source/docker/hive/config.ini b/integration_tests/iceberg-source/docker/hive/config.ini
index df07c75258257..80ce27ab14fdd 100644
--- a/integration_tests/iceberg-source/docker/hive/config.ini
+++ b/integration_tests/iceberg-source/docker/hive/config.ini
@@ -8,7 +8,7 @@ port=4566
 connector = iceberg
 catalog.type = hive
 catalog.uri = thrift://metastore:9083
-warehouse.path = s3://icebergdata/demo
+warehouse.path = s3a://icebergdata/demo
 s3.endpoint=http://minio-0:9301
 s3.access.key = hummockadmin
 s3.secret.key = hummockadmin
diff --git a/integration_tests/iceberg-source/docker/storage/config.ini b/integration_tests/iceberg-source/docker/storage/config.ini
index dd795fd3ef684..6439453dcaae6 100644
--- a/integration_tests/iceberg-source/docker/storage/config.ini
+++ b/integration_tests/iceberg-source/docker/storage/config.ini
@@ -11,6 +11,6 @@ s3.access.key = hummockadmin
 s3.secret.key = hummockadmin
 s3.region = ap-southeast-1
 catalog.type = storage
-warehouse.path = s3://icebergdata/demo
+warehouse.path = s3a://icebergdata/demo
 database.name=s1
 table.name=t1
\ No newline at end of file
diff --git a/integration_tests/snowflake-sink/upsert/create_sink.sql b/integration_tests/snowflake-sink/upsert/create_sink.sql
index 0986005d8c717..20f45968439db 100644
--- a/integration_tests/snowflake-sink/upsert/create_sink.sql
+++ b/integration_tests/snowflake-sink/upsert/create_sink.sql
@@ -13,7 +13,4 @@ CREATE SINK snowflake_sink FROM ss_mv WITH (
     snowflake.aws_secret_access_key = 'EXAMPLE_SECRET_KEY',
     snowflake.aws_region = 'EXAMPLE_REGION',
     snowflake.s3_path = 'EXAMPLE_S3_PATH',
-    -- depends on your mv setup, note that snowflake sink *only* supports
-    -- `append-only` mode at present.
-    force_append_only = 'true'
 );
\ No newline at end of file
diff --git a/proto/ddl_service.proto b/proto/ddl_service.proto
index 46c2a5c22ff6d..7c6a078ce9ce4 100644
--- a/proto/ddl_service.proto
+++ b/proto/ddl_service.proto
@@ -324,6 +324,7 @@ message ReplaceTablePlan {
   catalog.ColIndexMapping table_col_index_mapping = 3;
   // Source catalog of table's associated source
   catalog.Source source = 4;
+  TableJobType job_type = 5;
 }
 
 message ReplaceTablePlanRequest {
diff --git a/proto/meta.proto b/proto/meta.proto
index e4068a0b8cd58..0d2a1b8832915 100644
--- a/proto/meta.proto
+++ b/proto/meta.proto
@@ -529,40 +529,9 @@ message TableParallelism {
   }
 }
 
-message GetReschedulePlanRequest {
-  uint64 revision = 1;
-
-  message WorkerChanges {
-    repeated uint32 include_worker_ids = 1;
-    repeated uint32 exclude_worker_ids = 2;
-    optional uint32 target_parallelism = 3;
-    optional uint32 target_parallelism_per_worker = 4;
-  }
-
-  message StableResizePolicy {
-    map<uint32, WorkerChanges> fragment_worker_changes = 1;
-  }
-
-  oneof policy {
-    // The StableResizePolicy will generate a stable ReschedulePlan, without altering the distribution on WorkerId that's not involved.
-    // Note that this "Stable" doesn't refer to the "determinacy" of the algorithm.
-    // Multiple repeated calls may yield different ReschedulePlan results.
-    StableResizePolicy stable_resize_policy = 2;
-  }
-}
-
-message GetReschedulePlanResponse {
-  uint64 revision = 1;
-  // reschedule plan for each fragment
-  map<uint32, Reschedule> reschedules = 2;
-  // todo, refactor needed
-  bool success = 3;
-}
-
 service ScaleService {
   rpc GetClusterInfo(GetClusterInfoRequest) returns (GetClusterInfoResponse);
   rpc Reschedule(RescheduleRequest) returns (RescheduleResponse);
-  rpc GetReschedulePlan(GetReschedulePlanRequest) returns (GetReschedulePlanResponse);
 }
 
 message MembersRequest {}
diff --git a/risedev.yml b/risedev.yml
index cdc115ca30010..984d92ab33d88 100644
--- a/risedev.yml
+++ b/risedev.yml
@@ -296,27 +296,14 @@ profile:
         port: 15690
         dashboard-port: 15691
         exporter-port: 11250
+        meta-backend: etcd
       - use: meta-node
         port: 25690
         dashboard-port: 25691
         exporter-port: 21250
+        meta-backend: etcd
       - use: compactor
 
-  3meta:
-    steps:
-      - use: meta-node
-        port: 5690
-        dashboard-port: 5691
-        exporter-port: 1250
-      - use: meta-node
-        port: 15690
-        dashboard-port: 15691
-        exporter-port: 11250
-      - use: meta-node
-        port: 25690
-        dashboard-port: 25691
-        exporter-port: 21250
-
   3etcd-3meta-1cn-1fe:
     steps:
       - use: minio
@@ -344,10 +331,12 @@ profile:
         port: 15690
         dashboard-port: 15691
         exporter-port: 11250
+        meta-backend: etcd
       - use: meta-node
         port: 25690
         dashboard-port: 25691
         exporter-port: 21250
+        meta-backend: etcd
       - use: compactor
       - use: compute-node
       - use: frontend
diff --git a/src/batch/Cargo.toml b/src/batch/Cargo.toml
index cf94b2ec838aa..c3042346aff85 100644
--- a/src/batch/Cargo.toml
+++ b/src/batch/Cargo.toml
@@ -34,6 +34,7 @@ itertools = { workspace = true }
 memcomparable = "0.2"
 opendal = "0.47"
 parking_lot = { workspace = true }
+parquet = { workspace = true }
 paste = "1"
 prometheus = { version = "0.13", features = ["process"] }
 prost = "0.12"
diff --git a/src/batch/src/error.rs b/src/batch/src/error.rs
index 2a555f18c356a..9f652fad233c5 100644
--- a/src/batch/src/error.rs
+++ b/src/batch/src/error.rs
@@ -17,6 +17,7 @@
 use std::sync::Arc;
 
 pub use anyhow::anyhow;
+use parquet::errors::ParquetError;
 use risingwave_common::array::ArrayError;
 use risingwave_common::error::BoxedError;
 use risingwave_common::util::value_encoding::error::ValueEncodingError;
@@ -119,6 +120,13 @@ pub enum BatchError {
         iceberg::Error,
     ),
 
+    #[error(transparent)]
+    Parquet(
+        #[from]
+        #[backtrace]
+        ParquetError,
+    ),
+
     // Make the ref-counted type to be a variant for easier code structuring.
     // TODO(error-handling): replace with `thiserror_ext::Arc`
     #[error(transparent)]
diff --git a/src/batch/src/executor/aggregation/distinct.rs b/src/batch/src/executor/aggregation/distinct.rs
index 728ea2631b498..97780271b83fd 100644
--- a/src/batch/src/executor/aggregation/distinct.rs
+++ b/src/batch/src/executor/aggregation/distinct.rs
@@ -16,7 +16,7 @@ use std::collections::HashSet;
 use std::ops::Range;
 
 use risingwave_common::array::StreamChunk;
-use risingwave_common::buffer::BitmapBuilder;
+use risingwave_common::bitmap::BitmapBuilder;
 use risingwave_common::row::{OwnedRow, Row};
 use risingwave_common::types::{DataType, Datum};
 use risingwave_common_estimate_size::EstimateSize;
diff --git a/src/batch/src/executor/hash_agg.rs b/src/batch/src/executor/hash_agg.rs
index 6929e31898b65..e394c9167c7f1 100644
--- a/src/batch/src/executor/hash_agg.rs
+++ b/src/batch/src/executor/hash_agg.rs
@@ -22,7 +22,7 @@ use hashbrown::hash_map::Entry;
 use itertools::Itertools;
 use prost::Message;
 use risingwave_common::array::{DataChunk, StreamChunk};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{Field, Schema};
 use risingwave_common::hash::{HashKey, HashKeyDispatcher, PrecomputedBuildHasher};
 use risingwave_common::memory::MemoryContext;
diff --git a/src/batch/src/executor/iceberg_scan.rs b/src/batch/src/executor/iceberg_scan.rs
index 1ea9599dad69f..7bf3835944b3a 100644
--- a/src/batch/src/executor/iceberg_scan.rs
+++ b/src/batch/src/executor/iceberg_scan.rs
@@ -43,7 +43,7 @@ use crate::executor::{DataChunk, Executor};
 ///             database_name: Some("demo_db".into()),
 ///             table_name: "demo_table".into(),
 ///             catalog_type: Some("storage".into()),
-///             path: "s3a://hummock001/".into(),
+///             path: "s3://hummock001/".into(),
 ///             endpoint: Some("http://127.0.0.1:9301".into()),
 ///             access_key: "hummockadmin".into(),
 ///             secret_key: "hummockadmin".into(),
diff --git a/src/batch/src/executor/join/hash_join.rs b/src/batch/src/executor/join/hash_join.rs
index 3bb97307b53a6..7880b5f69f9ab 100644
--- a/src/batch/src/executor/join/hash_join.rs
+++ b/src/batch/src/executor/join/hash_join.rs
@@ -22,7 +22,7 @@ use futures_async_stream::try_stream;
 use itertools::Itertools;
 use prost::Message;
 use risingwave_common::array::{Array, DataChunk, RowRef};
-use risingwave_common::buffer::{Bitmap, BitmapBuilder};
+use risingwave_common::bitmap::{Bitmap, BitmapBuilder};
 use risingwave_common::catalog::Schema;
 use risingwave_common::hash::{HashKey, HashKeyDispatcher, PrecomputedBuildHasher};
 use risingwave_common::memory::{MemoryContext, MonitoredGlobalAlloc};
diff --git a/src/batch/src/executor/join/local_lookup_join.rs b/src/batch/src/executor/join/local_lookup_join.rs
index a00092b36d11c..dd428e3166901 100644
--- a/src/batch/src/executor/join/local_lookup_join.rs
+++ b/src/batch/src/executor/join/local_lookup_join.rs
@@ -17,7 +17,7 @@ use std::marker::PhantomData;
 
 use anyhow::Context;
 use itertools::Itertools;
-use risingwave_common::buffer::BitmapBuilder;
+use risingwave_common::bitmap::BitmapBuilder;
 use risingwave_common::catalog::{ColumnDesc, Field, Schema};
 use risingwave_common::hash::table_distribution::TableDistribution;
 use risingwave_common::hash::{
@@ -383,7 +383,7 @@ impl BoxedExecutorBuilder for LocalLookupJoinExecutorBuilder {
         let worker_slot_mapping: HashMap<WorkerSlotId, WorkerNode> = worker_nodes
             .iter()
             .flat_map(|worker| {
-                (0..(worker.parallel_units.len()))
+                (0..(worker.parallelism()))
                     .map(|i| (WorkerSlotId::new(worker.id, i), worker.clone()))
             })
             .collect();
diff --git a/src/batch/src/executor/join/mod.rs b/src/batch/src/executor/join/mod.rs
index 77210e3e6e25a..cf2388314d8f6 100644
--- a/src/batch/src/executor/join/mod.rs
+++ b/src/batch/src/executor/join/mod.rs
@@ -178,7 +178,7 @@ fn convert_row_to_chunk(
 mod tests {
 
     use risingwave_common::array::{Array, ArrayBuilder, DataChunk, PrimitiveArrayBuilder};
-    use risingwave_common::buffer::Bitmap;
+    use risingwave_common::bitmap::Bitmap;
     use risingwave_common::catalog::{Field, Schema};
     use risingwave_common::row::Row;
     use risingwave_common::types::{DataType, ScalarRefImpl};
diff --git a/src/batch/src/executor/join/nested_loop_join.rs b/src/batch/src/executor/join/nested_loop_join.rs
index 5d6d9b699b0e7..ae3e5b8fb4b35 100644
--- a/src/batch/src/executor/join/nested_loop_join.rs
+++ b/src/batch/src/executor/join/nested_loop_join.rs
@@ -15,7 +15,7 @@
 use futures_async_stream::try_stream;
 use risingwave_common::array::data_chunk_iter::RowRef;
 use risingwave_common::array::{Array, DataChunk};
-use risingwave_common::buffer::BitmapBuilder;
+use risingwave_common::bitmap::BitmapBuilder;
 use risingwave_common::catalog::Schema;
 use risingwave_common::memory::MemoryContext;
 use risingwave_common::row::{repeat_n, RowExt};
diff --git a/src/batch/src/executor/limit.rs b/src/batch/src/executor/limit.rs
index 8c02ed082f2b2..35e7a096714e2 100644
--- a/src/batch/src/executor/limit.rs
+++ b/src/batch/src/executor/limit.rs
@@ -17,7 +17,7 @@ use std::cmp::min;
 use futures_async_stream::try_stream;
 use itertools::Itertools;
 use risingwave_common::array::DataChunk;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::Schema;
 use risingwave_pb::batch_plan::plan_node::NodeBody;
 
diff --git a/src/batch/src/executor/log_row_seq_scan.rs b/src/batch/src/executor/log_row_seq_scan.rs
index c46de5b3a2944..9ca18a9654f7e 100644
--- a/src/batch/src/executor/log_row_seq_scan.rs
+++ b/src/batch/src/executor/log_row_seq_scan.rs
@@ -21,7 +21,7 @@ use futures_util::pin_mut;
 use itertools::Itertools;
 use prometheus::Histogram;
 use risingwave_common::array::DataChunk;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{ColumnId, Field, Schema};
 use risingwave_common::row::{OwnedRow, Row};
 use risingwave_common::types::ScalarImpl;
diff --git a/src/batch/src/executor/mod.rs b/src/batch/src/executor/mod.rs
index c19bc06c141b9..3e2c2a8396a0d 100644
--- a/src/batch/src/executor/mod.rs
+++ b/src/batch/src/executor/mod.rs
@@ -33,6 +33,7 @@ mod order_by;
 mod project;
 mod project_set;
 mod row_seq_scan;
+mod s3_file_scan;
 mod sort_agg;
 mod sort_over_window;
 mod source;
diff --git a/src/batch/src/executor/row_seq_scan.rs b/src/batch/src/executor/row_seq_scan.rs
index 505702ffa021b..e9d4ea10b01e8 100644
--- a/src/batch/src/executor/row_seq_scan.rs
+++ b/src/batch/src/executor/row_seq_scan.rs
@@ -19,7 +19,7 @@ use futures_async_stream::try_stream;
 use itertools::Itertools;
 use prometheus::Histogram;
 use risingwave_common::array::DataChunk;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{ColumnId, Schema};
 use risingwave_common::row::{OwnedRow, Row};
 use risingwave_common::types::{DataType, Datum};
diff --git a/src/batch/src/executor/s3_file_scan.rs b/src/batch/src/executor/s3_file_scan.rs
new file mode 100644
index 0000000000000..61fc2d5b5dd32
--- /dev/null
+++ b/src/batch/src/executor/s3_file_scan.rs
@@ -0,0 +1,163 @@
+// Copyright 2024 RisingWave Labs
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use std::ops::Range;
+use std::sync::Arc;
+
+use anyhow::anyhow;
+use bytes::Bytes;
+use futures_async_stream::try_stream;
+use futures_util::future::BoxFuture;
+use futures_util::stream::StreamExt;
+use futures_util::TryFutureExt;
+use hashbrown::HashMap;
+use iceberg::io::{
+    FileIOBuilder, FileMetadata, FileRead, S3_ACCESS_KEY_ID, S3_REGION, S3_SECRET_ACCESS_KEY,
+};
+use parquet::arrow::async_reader::{AsyncFileReader, MetadataLoader};
+use parquet::arrow::{ParquetRecordBatchStreamBuilder, ProjectionMask};
+use parquet::file::metadata::ParquetMetaData;
+use risingwave_common::array::arrow::IcebergArrowConvert;
+use risingwave_common::catalog::Schema;
+
+use crate::error::BatchError;
+use crate::executor::{DataChunk, Executor};
+
+#[derive(PartialEq, Debug)]
+pub enum FileFormat {
+    Parquet,
+}
+
+/// S3 file scan executor. Currently only support parquet file format.
+pub struct S3FileScanExecutor {
+    file_format: FileFormat,
+    location: String,
+    s3_region: String,
+    s3_access_key: String,
+    s3_secret_key: String,
+    batch_size: usize,
+    schema: Schema,
+    identity: String,
+}
+
+impl Executor for S3FileScanExecutor {
+    fn schema(&self) -> &risingwave_common::catalog::Schema {
+        &self.schema
+    }
+
+    fn identity(&self) -> &str {
+        &self.identity
+    }
+
+    fn execute(self: Box<Self>) -> super::BoxedDataChunkStream {
+        self.do_execute().boxed()
+    }
+}
+
+impl S3FileScanExecutor {
+    #![expect(dead_code)]
+    pub fn new(
+        file_format: FileFormat,
+        location: String,
+        s3_region: String,
+        s3_access_key: String,
+        s3_secret_key: String,
+        batch_size: usize,
+        schema: Schema,
+        identity: String,
+    ) -> Self {
+        Self {
+            file_format,
+            location,
+            s3_region,
+            s3_access_key,
+            s3_secret_key,
+            batch_size,
+            schema,
+            identity,
+        }
+    }
+
+    #[try_stream(ok = DataChunk, error = BatchError)]
+    async fn do_execute(self: Box<Self>) {
+        assert_eq!(self.file_format, FileFormat::Parquet);
+
+        let mut props = HashMap::new();
+        props.insert(S3_REGION, self.s3_region.clone());
+        props.insert(S3_ACCESS_KEY_ID, self.s3_access_key.clone());
+        props.insert(S3_SECRET_ACCESS_KEY, self.s3_secret_key.clone());
+
+        let file_io_builder = FileIOBuilder::new("s3");
+        let file_io = file_io_builder.with_props(props.into_iter()).build()?;
+        let parquet_file = file_io.new_input(&self.location)?;
+
+        let parquet_metadata = parquet_file.metadata().await?;
+        let parquet_reader = parquet_file.reader().await?;
+        let arrow_file_reader = ArrowFileReader::new(parquet_metadata, parquet_reader);
+
+        let mut batch_stream_builder = ParquetRecordBatchStreamBuilder::new(arrow_file_reader)
+            .await
+            .map_err(|e| anyhow!(e))?;
+
+        let arrow_schema = batch_stream_builder.schema();
+        assert_eq!(arrow_schema.fields.len(), self.schema.fields.len());
+        for (field, arrow_field) in self.schema.fields.iter().zip(arrow_schema.fields.iter()) {
+            assert_eq!(*field.name, *arrow_field.name());
+        }
+
+        batch_stream_builder = batch_stream_builder.with_projection(ProjectionMask::all());
+
+        batch_stream_builder = batch_stream_builder.with_batch_size(self.batch_size);
+
+        let record_batch_stream = batch_stream_builder.build().map_err(|e| anyhow!(e))?;
+
+        #[for_await]
+        for record_batch in record_batch_stream {
+            let record_batch = record_batch.map_err(BatchError::Parquet)?;
+            let chunk = IcebergArrowConvert.chunk_from_record_batch(&record_batch)?;
+            debug_assert_eq!(chunk.data_types(), self.schema.data_types());
+            yield chunk;
+        }
+    }
+}
+
+struct ArrowFileReader<R: FileRead> {
+    meta: FileMetadata,
+    r: R,
+}
+
+impl<R: FileRead> ArrowFileReader<R> {
+    fn new(meta: FileMetadata, r: R) -> Self {
+        Self { meta, r }
+    }
+}
+
+impl<R: FileRead> AsyncFileReader for ArrowFileReader<R> {
+    fn get_bytes(&mut self, range: Range<usize>) -> BoxFuture<'_, parquet::errors::Result<Bytes>> {
+        Box::pin(
+            self.r
+                .read(range.start as _..range.end as _)
+                .map_err(|err| parquet::errors::ParquetError::External(Box::new(err))),
+        )
+    }
+
+    fn get_metadata(&mut self) -> BoxFuture<'_, parquet::errors::Result<Arc<ParquetMetaData>>> {
+        Box::pin(async move {
+            let file_size = self.meta.size;
+            let mut loader = MetadataLoader::load(self, file_size as usize, None).await?;
+            loader.load_page_index(false, false).await?;
+            Ok(Arc::new(loader.finish()))
+        })
+    }
+}
diff --git a/src/batch/src/task/consistent_hash_shuffle_channel.rs b/src/batch/src/task/consistent_hash_shuffle_channel.rs
index 1181654f41249..ad0fdbaa8b70a 100644
--- a/src/batch/src/task/consistent_hash_shuffle_channel.rs
+++ b/src/batch/src/task/consistent_hash_shuffle_channel.rs
@@ -18,7 +18,7 @@ use std::sync::Arc;
 use anyhow::anyhow;
 use itertools::Itertools;
 use risingwave_common::array::DataChunk;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::hash::VirtualNode;
 use risingwave_pb::batch_plan::exchange_info::ConsistentHashInfo;
 use risingwave_pb::batch_plan::*;
diff --git a/src/batch/src/task/hash_shuffle_channel.rs b/src/batch/src/task/hash_shuffle_channel.rs
index 626324e6f3456..ccea1529b40f6 100644
--- a/src/batch/src/task/hash_shuffle_channel.rs
+++ b/src/batch/src/task/hash_shuffle_channel.rs
@@ -17,7 +17,7 @@ use std::sync::Arc;
 
 use anyhow::anyhow;
 use risingwave_common::array::DataChunk;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::util::hash_util::Crc32FastBuilder;
 use risingwave_pb::batch_plan::exchange_info::HashInfo;
 use risingwave_pb::batch_plan::*;
diff --git a/src/batch/src/worker_manager/worker_node_manager.rs b/src/batch/src/worker_manager/worker_node_manager.rs
index 8b7dcc42b565a..b1e08517954db 100644
--- a/src/batch/src/worker_manager/worker_node_manager.rs
+++ b/src/batch/src/worker_manager/worker_node_manager.rs
@@ -156,19 +156,12 @@ impl WorkerNodeManager {
 
         let guard = self.inner.read().unwrap();
 
-        let worker_slot_index: HashMap<_, _> = guard
-            .worker_nodes
-            .iter()
-            .flat_map(|worker| {
-                (0..worker.parallel_units.len())
-                    .map(move |i| (WorkerSlotId::new(worker.id, i), worker))
-            })
-            .collect();
+        let worker_index: HashMap<_, _> = guard.worker_nodes.iter().map(|w| (w.id, w)).collect();
 
         let mut workers = Vec::with_capacity(worker_slot_ids.len());
 
         for worker_slot_id in worker_slot_ids {
-            match worker_slot_index.get(worker_slot_id) {
+            match worker_index.get(&worker_slot_id.worker_id()) {
                 Some(worker) => workers.push((*worker).clone()),
                 None => bail!(
                     "No worker node found for worker slot id: {}",
@@ -335,10 +328,7 @@ impl WorkerNodeSelector {
         } else {
             self.apply_worker_node_mask(self.manager.list_serving_worker_nodes())
         };
-        worker_nodes
-            .iter()
-            .map(|node| node.parallel_units.len())
-            .sum()
+        worker_nodes.iter().map(|node| node.parallelism()).sum()
     }
 
     pub fn fragment_mapping(&self, fragment_id: FragmentId) -> Result<WorkerSlotMapping> {
diff --git a/src/bench/sink_bench/main.rs b/src/bench/sink_bench/main.rs
index 189afdf6e83d4..9eea1c94655ba 100644
--- a/src/bench/sink_bench/main.rs
+++ b/src/bench/sink_bench/main.rs
@@ -35,7 +35,7 @@ use plotlib::page::Page;
 use plotlib::repr::Plot;
 use plotlib::style::{LineJoin, LineStyle};
 use plotlib::view::ContinuousView;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::ColumnId;
 use risingwave_connector::dispatch_sink;
 use risingwave_connector::parser::{
diff --git a/src/cmd/src/lib.rs b/src/cmd/src/lib.rs
index 2225b1d0cd530..7d21fc44b4e57 100644
--- a/src/cmd/src/lib.rs
+++ b/src/cmd/src/lib.rs
@@ -50,18 +50,15 @@ pub fn meta(opts: MetaNodeOpts) -> ! {
 
 pub fn frontend(opts: FrontendOpts) -> ! {
     init_risingwave_logger(LoggerSettings::from_opts(&opts));
-    // TODO(shutdown): pass the shutdown token
-    main_okk(|_| risingwave_frontend::start(opts));
+    main_okk(|shutdown| risingwave_frontend::start(opts, shutdown));
 }
 
 pub fn compactor(opts: CompactorOpts) -> ! {
     init_risingwave_logger(LoggerSettings::from_opts(&opts));
-    // TODO(shutdown): pass the shutdown token
-    main_okk(|_| risingwave_compactor::start(opts));
+    main_okk(|shutdown| risingwave_compactor::start(opts, shutdown));
 }
 
 pub fn ctl(opts: CtlOpts) -> ! {
     init_risingwave_logger(LoggerSettings::new("ctl").stderr(true));
-    // TODO(shutdown): pass the shutdown token
-    main_okk(|_| risingwave_ctl::start(opts));
+    main_okk(|shutdown| risingwave_ctl::start(opts, shutdown));
 }
diff --git a/src/cmd_all/src/standalone.rs b/src/cmd_all/src/standalone.rs
index ca7b551d7bb45..4f8c208c89aa3 100644
--- a/src/cmd_all/src/standalone.rs
+++ b/src/cmd_all/src/standalone.rs
@@ -186,6 +186,9 @@ pub async fn standalone(
 ) {
     tracing::info!("launching Risingwave in standalone mode");
 
+    // TODO(shutdown): use the real one passed-in
+    let shutdown = CancellationToken::new();
+
     let mut is_in_memory = false;
     if let Some(opts) = meta_opts {
         is_in_memory = matches!(opts.backend, Some(MetaBackend::Mem));
@@ -215,20 +218,21 @@ pub async fn standalone(
     }
     if let Some(opts) = compute_opts {
         tracing::info!("starting compute-node thread with cli args: {:?}", opts);
-        // TODO(shutdown): pass the shutdown token
+        let shutdown = shutdown.clone();
         let _compute_handle =
-            tokio::spawn(
-                async move { risingwave_compute::start(opts, CancellationToken::new()).await },
-            );
+            tokio::spawn(async move { risingwave_compute::start(opts, shutdown).await });
     }
     if let Some(opts) = frontend_opts.clone() {
         tracing::info!("starting frontend-node thread with cli args: {:?}", opts);
-        let _frontend_handle = tokio::spawn(async move { risingwave_frontend::start(opts).await });
+        let shutdown = shutdown.clone();
+        let _frontend_handle =
+            tokio::spawn(async move { risingwave_frontend::start(opts, shutdown).await });
     }
     if let Some(opts) = compactor_opts {
         tracing::info!("starting compactor-node thread with cli args: {:?}", opts);
+        let shutdown = shutdown.clone();
         let _compactor_handle =
-            tokio::spawn(async move { risingwave_compactor::start(opts).await });
+            tokio::spawn(async move { risingwave_compactor::start(opts, shutdown).await });
     }
 
     // wait for log messages to be flushed
diff --git a/src/common/benches/bitmap.rs b/src/common/benches/bitmap.rs
index 97a1e2b6d837b..e064613d683b4 100644
--- a/src/common/benches/bitmap.rs
+++ b/src/common/benches/bitmap.rs
@@ -14,7 +14,7 @@
 
 use criterion::{black_box, criterion_group, criterion_main, BatchSize, Criterion};
 use itertools::Itertools;
-use risingwave_common::buffer::{Bitmap, BitmapIter};
+use risingwave_common::bitmap::{Bitmap, BitmapIter};
 
 fn bench_bitmap(c: &mut Criterion) {
     const CHUNK_SIZE: usize = 1024;
diff --git a/src/common/common_service/Cargo.toml b/src/common/common_service/Cargo.toml
index f2fa832eaad55..cb43702f3f9e6 100644
--- a/src/common/common_service/Cargo.toml
+++ b/src/common/common_service/Cargo.toml
@@ -28,7 +28,7 @@ thiserror-ext = { workspace = true }
 tokio = { version = "0.2", package = "madsim-tokio", features = ["rt", "rt-multi-thread", "sync", "macros", "time", "signal"] }
 tonic = { workspace = true }
 tower = { version = "0.4", features = ["util", "load-shed"] }
-tower-http = { version = "0.5", features = ["add-extension"] }
+tower-http = { version = "0.5", features = ["add-extension", "compression-gzip"] }
 tracing = "0.1"
 
 [target.'cfg(not(madsim))'.dependencies]
diff --git a/src/common/common_service/src/metrics_manager.rs b/src/common/common_service/src/metrics_manager.rs
index f6d31c98ef31b..a8151d2c17715 100644
--- a/src/common/common_service/src/metrics_manager.rs
+++ b/src/common/common_service/src/metrics_manager.rs
@@ -23,6 +23,7 @@ use risingwave_common::monitor::GLOBAL_METRICS_REGISTRY;
 use thiserror_ext::AsReport;
 use tokio::net::TcpListener;
 use tower_http::add_extension::AddExtensionLayer;
+use tower_http::compression::CompressionLayer;
 use tracing::{error, info, warn};
 
 pub struct MetricsManager {}
@@ -31,28 +32,30 @@ impl MetricsManager {
     pub fn boot_metrics_service(listen_addr: String) {
         static METRICS_SERVICE_LISTEN_ADDR: OnceLock<String> = OnceLock::new();
         let new_listen_addr = listen_addr.clone();
-        let current_listen_addr =
-            METRICS_SERVICE_LISTEN_ADDR.get_or_init(|| {
-                let listen_addr_clone = listen_addr.clone();
-                #[cfg(not(madsim))] // no need in simulation test
-                tokio::spawn(async move {
-                    info!(
-                        "Prometheus listener for Prometheus is set up on http://{}",
-                        listen_addr
-                    );
+        let current_listen_addr = METRICS_SERVICE_LISTEN_ADDR.get_or_init(|| {
+            let listen_addr_clone = listen_addr.clone();
+            #[cfg(not(madsim))] // no need in simulation test
+            tokio::spawn(async move {
+                info!(
+                    "Prometheus listener for Prometheus is set up on http://{}",
+                    listen_addr
+                );
 
-                    let service = Router::new().fallback(Self::metrics_service).layer(
-                        AddExtensionLayer::new(GLOBAL_METRICS_REGISTRY.deref().clone()),
-                    );
+                let service = Router::new()
+                    .fallback(Self::metrics_service)
+                    .layer(AddExtensionLayer::new(
+                        GLOBAL_METRICS_REGISTRY.deref().clone(),
+                    ))
+                    .layer(CompressionLayer::new());
 
-                    let serve_future =
-                        axum::serve(TcpListener::bind(&listen_addr).await.unwrap(), service);
-                    if let Err(err) = serve_future.await {
-                        error!(error = %err.as_report(), "metrics service exited with error");
-                    }
-                });
-                listen_addr_clone
+                let serve_future =
+                    axum::serve(TcpListener::bind(&listen_addr).await.unwrap(), service);
+                if let Err(err) = serve_future.await {
+                    error!(error = %err.as_report(), "metrics service exited with error");
+                }
             });
+            listen_addr_clone
+        });
         if new_listen_addr != *current_listen_addr {
             warn!(
                 "unable to listen port {} for metrics service. Currently listening on {}",
diff --git a/src/common/src/array/arrow/arrow_deltalake.rs b/src/common/src/array/arrow/arrow_deltalake.rs
index 7dd6478ba50f7..7338532e082d6 100644
--- a/src/common/src/array/arrow/arrow_deltalake.rs
+++ b/src/common/src/array/arrow/arrow_deltalake.rs
@@ -107,7 +107,7 @@ mod test {
 
     use crate::array::arrow::arrow_deltalake::DeltaLakeConvert;
     use crate::array::{ArrayImpl, Decimal, DecimalArray, ListArray, ListValue};
-    use crate::buffer::Bitmap;
+    use crate::bitmap::Bitmap;
 
     #[test]
     fn test_decimal_list_chunk() {
diff --git a/src/common/src/array/bool_array.rs b/src/common/src/array/bool_array.rs
index ebee50c8e4b72..7ed0e4b703a22 100644
--- a/src/common/src/array/bool_array.rs
+++ b/src/common/src/array/bool_array.rs
@@ -16,7 +16,7 @@ use risingwave_common_estimate_size::EstimateSize;
 use risingwave_pb::data::{ArrayType, PbArray};
 
 use super::{Array, ArrayBuilder, DataType};
-use crate::buffer::{Bitmap, BitmapBuilder};
+use crate::bitmap::{Bitmap, BitmapBuilder};
 
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct BoolArray {
diff --git a/src/common/src/array/bytes_array.rs b/src/common/src/array/bytes_array.rs
index 7160c77b0d1c9..0d62c3d26c6e3 100644
--- a/src/common/src/array/bytes_array.rs
+++ b/src/common/src/array/bytes_array.rs
@@ -21,7 +21,7 @@ use risingwave_pb::common::Buffer;
 use risingwave_pb::data::{ArrayType, PbArray};
 
 use super::{Array, ArrayBuilder, DataType};
-use crate::buffer::{Bitmap, BitmapBuilder};
+use crate::bitmap::{Bitmap, BitmapBuilder};
 use crate::util::iter_util::ZipEqDebug;
 
 /// `BytesArray` is a collection of Rust `[u8]`s.
diff --git a/src/common/src/array/data_chunk.rs b/src/common/src/array/data_chunk.rs
index 4e08163817e23..a53d9930eba69 100644
--- a/src/common/src/array/data_chunk.rs
+++ b/src/common/src/array/data_chunk.rs
@@ -29,7 +29,7 @@ use risingwave_pb::data::PbDataChunk;
 use super::{Array, ArrayImpl, ArrayRef, ArrayResult, StructArray};
 use crate::array::data_chunk_iter::RowRef;
 use crate::array::ArrayBuilderImpl;
-use crate::buffer::{Bitmap, BitmapBuilder};
+use crate::bitmap::{Bitmap, BitmapBuilder};
 use crate::field_generator::{FieldGeneratorImpl, VarcharProperty};
 use crate::hash::HashCode;
 use crate::row::Row;
diff --git a/src/common/src/array/jsonb_array.rs b/src/common/src/array/jsonb_array.rs
index 4a0df2f55835d..b49b741976714 100644
--- a/src/common/src/array/jsonb_array.rs
+++ b/src/common/src/array/jsonb_array.rs
@@ -16,7 +16,7 @@ use risingwave_common_estimate_size::EstimateSize;
 use risingwave_pb::data::{PbArray, PbArrayType};
 
 use super::{Array, ArrayBuilder, ArrayImpl, ArrayResult};
-use crate::buffer::{Bitmap, BitmapBuilder};
+use crate::bitmap::{Bitmap, BitmapBuilder};
 use crate::types::{DataType, JsonbRef, JsonbVal, Scalar};
 
 #[derive(Debug, Clone, EstimateSize)]
diff --git a/src/common/src/array/list_array.rs b/src/common/src/array/list_array.rs
index 748ab6777fa49..7fc1fdecee6fe 100644
--- a/src/common/src/array/list_array.rs
+++ b/src/common/src/array/list_array.rs
@@ -29,7 +29,7 @@ use super::{
     Array, ArrayBuilder, ArrayBuilderImpl, ArrayImpl, ArrayResult, BoolArray, PrimitiveArray,
     PrimitiveArrayItemType, RowRef, Utf8Array,
 };
-use crate::buffer::{Bitmap, BitmapBuilder};
+use crate::bitmap::{Bitmap, BitmapBuilder};
 use crate::row::Row;
 use crate::types::{
     hash_datum, DataType, Datum, DatumRef, DefaultOrd, Scalar, ScalarImpl, ScalarRefImpl,
diff --git a/src/common/src/array/mod.rs b/src/common/src/array/mod.rs
index 268c518b70c01..f2ae95aa71efb 100644
--- a/src/common/src/array/mod.rs
+++ b/src/common/src/array/mod.rs
@@ -65,7 +65,7 @@ pub use utf8_array::*;
 
 pub use self::error::ArrayError;
 pub use crate::array::num256_array::{Int256Array, Int256ArrayBuilder};
-use crate::buffer::Bitmap;
+use crate::bitmap::Bitmap;
 use crate::types::*;
 use crate::{dispatch_array_builder_variants, dispatch_array_variants, for_all_array_variants};
 pub type ArrayResult<T> = Result<T, ArrayError>;
@@ -706,7 +706,7 @@ mod test_util {
     use std::hash::{BuildHasher, Hasher};
 
     use super::Array;
-    use crate::buffer::Bitmap;
+    use crate::bitmap::Bitmap;
     use crate::util::iter_util::ZipEqFast;
 
     pub fn hash_finish<H: Hasher>(hashers: &[H]) -> Vec<u64> {
diff --git a/src/common/src/array/num256_array.rs b/src/common/src/array/num256_array.rs
index 48ee99ac21db2..ad8611a652e2c 100644
--- a/src/common/src/array/num256_array.rs
+++ b/src/common/src/array/num256_array.rs
@@ -21,7 +21,7 @@ use risingwave_pb::common::Buffer;
 use risingwave_pb::data::PbArray;
 
 use crate::array::{Array, ArrayBuilder, ArrayImpl, ArrayResult};
-use crate::buffer::{Bitmap, BitmapBuilder};
+use crate::bitmap::{Bitmap, BitmapBuilder};
 use crate::types::{DataType, Int256, Int256Ref, Scalar};
 
 #[derive(Debug, Clone, EstimateSize)]
diff --git a/src/common/src/array/primitive_array.rs b/src/common/src/array/primitive_array.rs
index 29c7bfb49289a..9ae7912e9887e 100644
--- a/src/common/src/array/primitive_array.rs
+++ b/src/common/src/array/primitive_array.rs
@@ -22,7 +22,7 @@ use risingwave_pb::common::Buffer;
 use risingwave_pb::data::{ArrayType, PbArray};
 
 use super::{Array, ArrayBuilder, ArrayImpl, ArrayResult};
-use crate::buffer::{Bitmap, BitmapBuilder};
+use crate::bitmap::{Bitmap, BitmapBuilder};
 use crate::for_all_native_types;
 use crate::types::*;
 
diff --git a/src/common/src/array/stream_chunk.rs b/src/common/src/array/stream_chunk.rs
index e3776de6d0fbc..cfee990561aa1 100644
--- a/src/common/src/array/stream_chunk.rs
+++ b/src/common/src/array/stream_chunk.rs
@@ -29,7 +29,7 @@ use risingwave_pb::data::{PbOp, PbStreamChunk};
 use super::stream_chunk_builder::StreamChunkBuilder;
 use super::{ArrayImpl, ArrayRef, ArrayResult, DataChunkTestExt, RowRef};
 use crate::array::DataChunk;
-use crate::buffer::{Bitmap, BitmapBuilder};
+use crate::bitmap::{Bitmap, BitmapBuilder};
 use crate::catalog::Schema;
 use crate::field_generator::VarcharProperty;
 use crate::row::Row;
@@ -525,6 +525,10 @@ impl OpRowMutRef<'_> {
 }
 
 impl StreamChunkMut {
+    pub fn capacity(&self) -> usize {
+        self.vis.len()
+    }
+
     pub fn vis(&self, i: usize) -> bool {
         self.vis.is_set(i)
     }
diff --git a/src/common/src/array/stream_chunk_builder.rs b/src/common/src/array/stream_chunk_builder.rs
index c44d313fffffe..5fd6ae8c761c1 100644
--- a/src/common/src/array/stream_chunk_builder.rs
+++ b/src/common/src/array/stream_chunk_builder.rs
@@ -14,7 +14,7 @@
 
 use crate::array::stream_record::Record;
 use crate::array::{ArrayBuilderImpl, Op, StreamChunk};
-use crate::buffer::BitmapBuilder;
+use crate::bitmap::BitmapBuilder;
 use crate::row::Row;
 use crate::types::{DataType, DatumRef};
 use crate::util::iter_util::ZipEqFast;
diff --git a/src/common/src/array/struct_array.rs b/src/common/src/array/struct_array.rs
index e5a1687bbcfeb..22aae00c84f4c 100644
--- a/src/common/src/array/struct_array.rs
+++ b/src/common/src/array/struct_array.rs
@@ -25,7 +25,7 @@ use risingwave_pb::data::{PbArray, PbArrayType, StructArrayData};
 
 use super::{Array, ArrayBuilder, ArrayBuilderImpl, ArrayImpl, ArrayResult, DataChunk};
 use crate::array::ArrayRef;
-use crate::buffer::{Bitmap, BitmapBuilder};
+use crate::bitmap::{Bitmap, BitmapBuilder};
 use crate::error::BoxedError;
 use crate::types::{
     hash_datum, DataType, Datum, DatumRef, DefaultOrd, Scalar, ScalarImpl, StructType, ToDatumRef,
diff --git a/src/common/src/array/utf8_array.rs b/src/common/src/array/utf8_array.rs
index 5580ab6cc5970..8463f73e3ee58 100644
--- a/src/common/src/array/utf8_array.rs
+++ b/src/common/src/array/utf8_array.rs
@@ -19,7 +19,7 @@ use risingwave_pb::data::{ArrayType, PbArray};
 
 use super::bytes_array::{BytesWriter, PartialBytesWriter};
 use super::{Array, ArrayBuilder, BytesArray, BytesArrayBuilder, DataType};
-use crate::buffer::Bitmap;
+use crate::bitmap::Bitmap;
 
 /// `Utf8Array` is a collection of Rust Utf8 `str`s. It's a wrapper of `BytesArray`.
 #[derive(Debug, Clone, PartialEq, Eq)]
diff --git a/src/common/src/buffer/bitmap.rs b/src/common/src/bitmap.rs
similarity index 99%
rename from src/common/src/buffer/bitmap.rs
rename to src/common/src/bitmap.rs
index c6a11da093ed4..7ef6bf039f47d 100644
--- a/src/common/src/buffer/bitmap.rs
+++ b/src/common/src/bitmap.rs
@@ -425,7 +425,7 @@ impl Bitmap {
     ///
     /// # Example
     /// ```
-    /// use risingwave_common::buffer::Bitmap;
+    /// use risingwave_common::bitmap::Bitmap;
     /// let bitmap = Bitmap::from_range(200, 100..180);
     /// assert_eq!(bitmap.count_ones(), 80);
     /// for i in 0..200 {
diff --git a/src/common/src/buffer/mod.rs b/src/common/src/buffer/mod.rs
deleted file mode 100644
index 7628f6eddceb4..0000000000000
--- a/src/common/src/buffer/mod.rs
+++ /dev/null
@@ -1,33 +0,0 @@
-// Copyright 2024 RisingWave Labs
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Licensed to the Apache Software Foundation (ASF) under one
-// or more contributor license agreements.  See the NOTICE file
-// distributed with this work for additional information
-// regarding copyright ownership.  The ASF licenses this file
-// to you under the Apache License, Version 2.0 (the
-// "License"); you may not use this file except in compliance
-// with the License.  You may obtain a copy of the License at
-//
-//   http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing,
-// software distributed under the License is distributed on an
-// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-// KIND, either express or implied.  See the License for the
-// specific language governing permissions and limitations
-// under the License.
-
-mod bitmap;
-pub use bitmap::*;
diff --git a/src/common/src/config.rs b/src/common/src/config.rs
index 47d53a75b76a1..4bdbf72cf273a 100644
--- a/src/common/src/config.rs
+++ b/src/common/src/config.rs
@@ -851,6 +851,9 @@ pub struct FileCacheConfig {
     #[serde(default = "default::file_cache::compression")]
     pub compression: String,
 
+    #[serde(default = "default::file_cache::flush_buffer_threshold_mb")]
+    pub flush_buffer_threshold_mb: Option<usize>,
+
     #[serde(default, flatten)]
     #[config_doc(omitted)]
     pub unrecognized: Unrecognized<Self>,
@@ -1591,6 +1594,14 @@ pub mod default {
         pub fn table_info_statistic_history_times() -> usize {
             240
         }
+
+        pub fn block_file_cache_flush_buffer_threshold_mb() -> usize {
+            256
+        }
+
+        pub fn meta_file_cache_flush_buffer_threshold_mb() -> usize {
+            64
+        }
     }
 
     pub mod streaming {
@@ -1651,6 +1662,10 @@ pub mod default {
         pub fn compression() -> String {
             "none".to_string()
         }
+
+        pub fn flush_buffer_threshold_mb() -> Option<usize> {
+            None
+        }
     }
 
     pub mod cache_refill {
@@ -2123,6 +2138,8 @@ pub struct StorageMemoryConfig {
     pub prefetch_buffer_capacity_mb: usize,
     pub block_cache_eviction_config: EvictionConfig,
     pub meta_cache_eviction_config: EvictionConfig,
+    pub block_file_cache_flush_buffer_threshold_mb: usize,
+    pub meta_file_cache_flush_buffer_threshold_mb: usize,
 }
 
 pub const MAX_META_CACHE_SHARD_BITS: usize = 4;
@@ -2234,6 +2251,17 @@ pub fn extract_storage_memory_config(s: &RwConfig) -> StorageMemoryConfig {
                 }
             });
 
+    let block_file_cache_flush_buffer_threshold_mb = s
+        .storage
+        .data_file_cache
+        .flush_buffer_threshold_mb
+        .unwrap_or(default::storage::block_file_cache_flush_buffer_threshold_mb());
+    let meta_file_cache_flush_buffer_threshold_mb = s
+        .storage
+        .meta_file_cache
+        .flush_buffer_threshold_mb
+        .unwrap_or(default::storage::block_file_cache_flush_buffer_threshold_mb());
+
     StorageMemoryConfig {
         block_cache_capacity_mb,
         block_cache_shard_num,
@@ -2244,6 +2272,8 @@ pub fn extract_storage_memory_config(s: &RwConfig) -> StorageMemoryConfig {
         prefetch_buffer_capacity_mb,
         block_cache_eviction_config,
         meta_cache_eviction_config,
+        block_file_cache_flush_buffer_threshold_mb,
+        meta_file_cache_flush_buffer_threshold_mb,
     }
 }
 
diff --git a/src/common/src/hash/consistent_hash/bitmap.rs b/src/common/src/hash/consistent_hash/bitmap.rs
index f6e55f3ebec50..773231ba36a89 100644
--- a/src/common/src/hash/consistent_hash/bitmap.rs
+++ b/src/common/src/hash/consistent_hash/bitmap.rs
@@ -14,7 +14,7 @@
 
 use std::ops::RangeInclusive;
 
-use crate::buffer::Bitmap;
+use crate::bitmap::Bitmap;
 use crate::hash::VirtualNode;
 
 /// An extension trait for `Bitmap` to support virtual node operations.
diff --git a/src/common/src/hash/consistent_hash/mapping.rs b/src/common/src/hash/consistent_hash/mapping.rs
index 59460e7966220..2ca4f6fc9686e 100644
--- a/src/common/src/hash/consistent_hash/mapping.rs
+++ b/src/common/src/hash/consistent_hash/mapping.rs
@@ -26,14 +26,14 @@ use risingwave_pb::stream_plan::ActorMapping as ActorMappingProto;
 
 use super::bitmap::VnodeBitmapExt;
 use super::vnode::{ParallelUnitId, VirtualNode};
-use crate::buffer::{Bitmap, BitmapBuilder};
+use crate::bitmap::{Bitmap, BitmapBuilder};
 use crate::util::compress::compress_data;
 use crate::util::iter_util::ZipEqDebug;
 
 // TODO: find a better place for this.
 pub type ActorId = u32;
 
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Ord, PartialOrd)]
+#[derive(Clone, Copy, PartialEq, Eq, Hash, Ord, PartialOrd)]
 pub struct WorkerSlotId(u64);
 
 impl WorkerSlotId {
@@ -68,6 +68,12 @@ impl Display for WorkerSlotId {
     }
 }
 
+impl Debug for WorkerSlotId {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        f.write_fmt(format_args!("[{}:{}]", self.worker_id(), self.slot_idx()))
+    }
+}
+
 /// Trait for items that can be used as keys in [`VnodeMapping`].
 pub trait VnodeMappingItem {
     /// The type of the item.
diff --git a/src/common/src/hash/table_distribution.rs b/src/common/src/hash/table_distribution.rs
index c69c9e9a43aec..9be9cd2abafb2 100644
--- a/src/common/src/hash/table_distribution.rs
+++ b/src/common/src/hash/table_distribution.rs
@@ -21,7 +21,7 @@ use risingwave_pb::plan_common::StorageTableDesc;
 use tracing::warn;
 
 use crate::array::{Array, DataChunk, PrimitiveArray};
-use crate::buffer::{Bitmap, BitmapBuilder};
+use crate::bitmap::{Bitmap, BitmapBuilder};
 use crate::hash::VirtualNode;
 use crate::row::Row;
 use crate::util::iter_util::ZipEqFast;
diff --git a/src/common/src/lib.rs b/src/common/src/lib.rs
index 05ca777ea7d39..0681554dbb997 100644
--- a/src/common/src/lib.rs
+++ b/src/common/src/lib.rs
@@ -65,7 +65,7 @@ pub mod array;
 #[macro_use]
 pub mod util;
 pub mod acl;
-pub mod buffer;
+pub mod bitmap;
 pub mod cache;
 pub mod cast;
 pub mod catalog;
diff --git a/src/common/src/test_utils/rand_bitmap.rs b/src/common/src/test_utils/rand_bitmap.rs
index 8e76381b54556..a6e8c325dc513 100644
--- a/src/common/src/test_utils/rand_bitmap.rs
+++ b/src/common/src/test_utils/rand_bitmap.rs
@@ -16,7 +16,7 @@ use itertools::Itertools;
 use rand::seq::SliceRandom;
 use rand::SeedableRng;
 
-use crate::buffer::{Bitmap, BitmapBuilder};
+use crate::bitmap::{Bitmap, BitmapBuilder};
 
 pub fn gen_rand_bitmap(num_bits: usize, count_ones: usize, seed: u64) -> Bitmap {
     if count_ones == num_bits {
diff --git a/src/common/src/test_utils/rand_stream_chunk.rs b/src/common/src/test_utils/rand_stream_chunk.rs
index 34cbe5627a54b..6c066bfbbd7ca 100644
--- a/src/common/src/test_utils/rand_stream_chunk.rs
+++ b/src/common/src/test_utils/rand_stream_chunk.rs
@@ -16,7 +16,7 @@ use rand::{Rng, SeedableRng};
 
 use crate::array::stream_chunk::Op;
 use crate::array::{ArrayBuilder, ArrayImpl, I64ArrayBuilder};
-use crate::buffer::Bitmap;
+use crate::bitmap::Bitmap;
 
 pub fn gen_legal_stream_chunk(
     bitmap: &Bitmap,
diff --git a/src/common/src/vnode_mapping/vnode_placement.rs b/src/common/src/vnode_mapping/vnode_placement.rs
index 036cfebe792bb..8c48ab286455c 100644
--- a/src/common/src/vnode_mapping/vnode_placement.rs
+++ b/src/common/src/vnode_mapping/vnode_placement.rs
@@ -20,7 +20,7 @@ use num_integer::Integer;
 use risingwave_common::hash::WorkerSlotId;
 use risingwave_pb::common::WorkerNode;
 
-use crate::buffer::{Bitmap, BitmapBuilder};
+use crate::bitmap::{Bitmap, BitmapBuilder};
 use crate::hash::{VirtualNode, WorkerSlotMapping};
 
 /// Calculate a new vnode mapping, keeping locality and balance on a best effort basis.
@@ -37,7 +37,7 @@ pub fn place_vnode(
         .iter()
         .filter(|w| w.property.as_ref().map_or(false, |p| p.is_serving))
         .sorted_by_key(|w| w.id)
-        .map(|w| (0..w.parallel_units.len()).map(|idx| WorkerSlotId::new(w.id, idx)))
+        .map(|w| (0..w.parallelism()).map(|idx| WorkerSlotId::new(w.id, idx)))
         .collect();
 
     // Set serving parallelism to the minimum of total number of worker slots, specified
diff --git a/src/compute/src/memory/config.rs b/src/compute/src/memory/config.rs
index 2a6607c268a67..234490773f40f 100644
--- a/src/compute/src/memory/config.rs
+++ b/src/compute/src/memory/config.rs
@@ -168,6 +168,24 @@ pub fn storage_memory_config(
         ((non_reserved_memory_bytes as f64 * compactor_memory_proportion).ceil() as usize) >> 20,
     );
 
+    // The file cache flush buffer threshold is used as a emergency limitation.
+    // On most cases the flush buffer is not supposed to be as large as the threshold.
+    // So, the file cache flush buffer threshold size is not calculated in the memory usage.
+    let block_file_cache_flush_buffer_threshold_mb = storage_config
+        .data_file_cache
+        .flush_buffer_threshold_mb
+        .unwrap_or(
+            risingwave_common::config::default::storage::block_file_cache_flush_buffer_threshold_mb(
+            ),
+        );
+    let meta_file_cache_flush_buffer_threshold_mb = storage_config
+        .meta_file_cache
+        .flush_buffer_threshold_mb
+        .unwrap_or(
+            risingwave_common::config::default::storage::meta_file_cache_flush_buffer_threshold_mb(
+            ),
+        );
+
     let total_calculated_mb = block_cache_capacity_mb
         + meta_cache_capacity_mb
         + shared_buffer_capacity_mb
@@ -276,6 +294,8 @@ pub fn storage_memory_config(
         prefetch_buffer_capacity_mb,
         block_cache_eviction_config,
         meta_cache_eviction_config,
+        block_file_cache_flush_buffer_threshold_mb,
+        meta_file_cache_flush_buffer_threshold_mb,
     }
 }
 
diff --git a/src/compute/src/server.rs b/src/compute/src/server.rs
index e51c2dac27f75..3b0466b6cc0d1 100644
--- a/src/compute/src/server.rs
+++ b/src/compute/src/server.rs
@@ -456,9 +456,10 @@ pub async fn compute_node_serve(
     // All set, let the meta service know we're ready.
     meta_client.activate(&advertise_addr).await.unwrap();
     // Wait for the shutdown signal.
-    let _ = shutdown.cancelled().await;
+    shutdown.cancelled().await;
 
-    // TODO(shutdown): gracefully unregister from the meta service.
+    // TODO(shutdown): gracefully unregister from the meta service (need to cautious since it may
+    // trigger auto-scaling)
 
     // NOTE(shutdown): We can't simply join the tonic server here because it only returns when all
     // existing connections are closed, while we have long-running streaming calls that never
diff --git a/src/compute/tests/integration_tests.rs b/src/compute/tests/integration_tests.rs
index 14dbfed466158..5c8ec479d3be9 100644
--- a/src/compute/tests/integration_tests.rs
+++ b/src/compute/tests/integration_tests.rs
@@ -28,7 +28,7 @@ use risingwave_batch::executor::{
     RowSeqScanExecutor, ScanRange,
 };
 use risingwave_common::array::{Array, DataChunk, F64Array, SerialArray};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{
     ColumnDesc, ColumnId, ConflictBehavior, Field, Schema, TableId, INITIAL_TABLE_VERSION_ID,
 };
diff --git a/src/connector/Cargo.toml b/src/connector/Cargo.toml
index 86491ae464a3f..2c8be26c05b33 100644
--- a/src/connector/Cargo.toml
+++ b/src/connector/Cargo.toml
@@ -93,7 +93,6 @@ opendal = { version = "0.47", features = [
 ] }
 openssl = "0.10"
 parking_lot = { workspace = true }
-parquet = { workspace = true }
 paste = "1"
 pg_bigdecimal = { git = "https://github.com/risingwavelabs/rust-pg_bigdecimal", rev = "0b7893d88894ca082b4525f94f812da034486f7c" }
 postgres-openssl = "0.5.0"
diff --git a/src/connector/codec/Cargo.toml b/src/connector/codec/Cargo.toml
index d9e6e274f0fef..5086549f4bf4c 100644
--- a/src/connector/codec/Cargo.toml
+++ b/src/connector/codec/Cargo.toml
@@ -35,6 +35,10 @@ thiserror-ext = { workspace = true }
 time = "0.3.30"
 tracing = "0.1"
 
+[dev-dependencies]
+expect-test = "1"
+hex = "0.4"
+
 [target.'cfg(not(madsim))'.dependencies]
 workspace-hack = { path = "../../workspace-hack" }
 
diff --git a/src/connector/codec/src/decoder/avro/schema.rs b/src/connector/codec/src/decoder/avro/schema.rs
index 4bd0a469041ad..fe96495d089ea 100644
--- a/src/connector/codec/src/decoder/avro/schema.rs
+++ b/src/connector/codec/src/decoder/avro/schema.rs
@@ -74,6 +74,8 @@ impl MapHandling {
 
 /// This function expects resolved schema (no `Ref`).
 /// FIXME: require passing resolved schema here.
+/// TODO: change `map_handling` to some `Config`, and also unify debezium.
+/// TODO: use `ColumnDesc` in common instead of PB.
 pub fn avro_schema_to_column_descs(
     schema: &Schema,
     map_handling: Option<MapHandling>,
diff --git a/src/connector/codec/src/decoder/mod.rs b/src/connector/codec/src/decoder/mod.rs
index 61d761410fae6..c7e04ab210a6e 100644
--- a/src/connector/codec/src/decoder/mod.rs
+++ b/src/connector/codec/src/decoder/mod.rs
@@ -44,7 +44,7 @@ pub enum AccessError {
 
 pub type AccessResult<T = Datum> = std::result::Result<T, AccessError>;
 
-/// Access to a field in the data structure.
+/// Access to a field in the data structure. Created by `AccessBuilder`.
 pub trait Access {
     /// Accesses `path` in the data structure (*parsed* Avro/JSON/Protobuf data),
     /// and then converts it to RisingWave `Datum`.
diff --git a/src/connector/codec/src/lib.rs b/src/connector/codec/src/lib.rs
index 6b1335ab32e26..651fa84e109fb 100644
--- a/src/connector/codec/src/lib.rs
+++ b/src/connector/codec/src/lib.rs
@@ -44,6 +44,7 @@
 pub mod decoder;
 
 pub use apache_avro::schema::Schema as AvroSchema;
+pub use apache_avro::types::{Value as AvroValue, ValueKind as AvroValueKind};
 pub use risingwave_pb::plan_common::ColumnDesc;
 pub struct JsonSchema(pub serde_json::Value);
 impl JsonSchema {
diff --git a/src/connector/codec/tests/integration_tests/avro.rs b/src/connector/codec/tests/integration_tests/avro.rs
new file mode 100644
index 0000000000000..fab143b2bf9e7
--- /dev/null
+++ b/src/connector/codec/tests/integration_tests/avro.rs
@@ -0,0 +1,556 @@
+// Copyright 2024 RisingWave Labs
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use apache_avro::from_avro_datum;
+use risingwave_connector_codec::decoder::avro::{
+    avro_schema_to_column_descs, AvroAccess, AvroParseOptions, MapHandling, ResolvedAvroSchema,
+};
+use risingwave_connector_codec::decoder::Access;
+use risingwave_connector_codec::AvroSchema;
+
+use crate::utils::*;
+
+/// Refer to `AvroAccessBuilder::parse_avro_value` for how Avro data looks like.
+enum TestDataEncoding {
+    /// Each data is a JSON encoded Avro value.
+    ///
+    /// Refer to: <https://avro.apache.org/docs/1.11.1/specification/#json-encoding>
+    ///
+    /// Specially, it handles `union` variants, and differentiates `bytes` from `string`.
+    ///
+    /// TODO: Not supported yet, because `apache_avro` doesn't support decoding JSON encoded avro..
+    #[allow(dead_code)]
+    Json,
+    /// Each data is a binary encoded Avro value, converted to a hex string.
+    ///
+    /// Tool convert Avro JSON to hex string: <https://xxchan-vercel-playground.vercel.app/avro>
+    HexBinary,
+}
+
+struct Config {
+    /// TODO: For one test data, we can test all possible config options.
+    map_handling: Option<MapHandling>,
+    data_encoding: TestDataEncoding,
+}
+
+/// Data driven testing for converting Avro Schema to RisingWave Schema, and then converting Avro data into RisingWave data.
+///
+/// The expected results can be automatically updated. To run and update the tests:
+/// ```bash
+/// UPDATE_EXPECT=1 cargo test -p risingwave_connector_codec
+/// ```
+/// Or use Rust Analyzer. Refer to <https://github.com/rust-analyzer/expect-test>.
+///
+/// ## Arguments
+/// - `avro_schema`: Avro schema in JSON format.
+/// - `avro_data`: list of Avro data. Refer to [`TestDataEncoding`] for the format.
+///
+/// ## Why not directly test the uppermost layer `AvroParserConfig` and `AvroAccessBuilder`?
+///
+/// Because their interface are not clean enough, and have complex logic like schema registry.
+/// We might need to separate logic to make them clenaer and then we can use it directly for testing.
+///
+/// ## If we reimplement a similar logic here, what are we testing?
+///
+/// Basically unit tests of `avro_schema_to_column_descs`, `convert_to_datum`, i.e., the type mapping.
+///
+/// It makes some sense, as the data parsing logic is generally quite simple (one-liner), and the most
+/// complex and error-prone part is the type mapping.
+///
+/// ## Why test schema mapping and data mapping together?
+///
+/// Because the expected data type for data mapping comes from the schema mapping.
+#[track_caller]
+fn check(
+    avro_schema: &str,
+    avro_data: &[&str],
+    config: Config,
+    expected_risingwave_schema: expect_test::Expect,
+    expected_risingwave_data: expect_test::Expect,
+) {
+    // manually implement some logic in AvroParserConfig::map_to_columns
+    let avro_schema = AvroSchema::parse_str(avro_schema).expect("failed to parse Avro schema");
+    let resolved_schema =
+        ResolvedAvroSchema::create(avro_schema.into()).expect("failed to resolve Avro schema");
+
+    let rw_schema =
+        avro_schema_to_column_descs(&resolved_schema.resolved_schema, config.map_handling)
+            .expect("failed to convert Avro schema to RisingWave schema")
+            .iter()
+            .map(ColumnDesc::from)
+            .collect_vec();
+    expected_risingwave_schema.assert_eq(&format!(
+        "{:#?}",
+        rw_schema.iter().map(ColumnDescTestDisplay).collect_vec()
+    ));
+
+    // manually implement some logic in AvroAccessBuilder, and some in PlainParser::parse_inner
+    let mut data_str = vec![];
+    for data in avro_data {
+        let parser = AvroParseOptions::create(&resolved_schema.resolved_schema);
+
+        match config.data_encoding {
+            TestDataEncoding::Json => todo!(),
+            TestDataEncoding::HexBinary => {
+                let data = hex::decode(data).expect("failed to decode hex string");
+                let avro_data =
+                    from_avro_datum(&resolved_schema.original_schema, &mut data.as_slice(), None)
+                        .expect("failed to parse Avro data");
+                let access = AvroAccess::new(&avro_data, parser);
+
+                let mut row = vec![];
+                for col in &rw_schema {
+                    let rw_data = access
+                        .access(&[&col.name], &col.data_type)
+                        .expect("failed to access");
+                    row.push(format!("{:#?}", DatumCowTestDisplay(&rw_data)));
+                }
+                data_str.push(format!("{}", row.iter().format("\n")));
+            }
+        }
+    }
+    expected_risingwave_data.assert_eq(&format!("{}", data_str.iter().format("\n----\n")));
+}
+
+// This corresponds to legacy `scripts/source/test_data/avro_simple_schema_bin.1`. TODO: remove that file.
+#[test]
+fn test_simple() {
+    check(
+        r#"
+{
+  "name": "test_student",
+  "type": "record",
+  "fields": [
+    {
+      "name": "id",
+      "type": "int",
+      "default": 0
+    },
+    {
+      "name": "sequence_id",
+      "type": "long",
+      "default": 0
+    },
+    {
+      "name": "name",
+      "type": ["null", "string"]
+    },
+    {
+      "name": "score",
+      "type": "float",
+      "default": 0.0
+    },
+    {
+      "name": "avg_score",
+      "type": "double",
+      "default": 0.0
+    },
+    {
+      "name": "is_lasted",
+      "type": "boolean",
+      "default": false
+    },
+    {
+      "name": "entrance_date",
+      "type": "int",
+      "logicalType": "date",
+      "default": 0
+    },
+    {
+      "name": "birthday",
+      "type": "long",
+      "logicalType": "timestamp-millis",
+      "default": 0
+    },
+    {
+      "name": "anniversary",
+      "type": "long",
+      "logicalType": "timestamp-micros",
+      "default": 0
+    },
+    {
+      "name": "passed",
+      "type": {
+        "name": "interval",
+        "type": "fixed",
+        "size": 12
+      },
+      "logicalType": "duration"
+    },
+    {
+      "name": "bytes",
+      "type": "bytes",
+      "default": ""
+    }
+  ]
+}
+        "#,
+        &[
+            // {"id":32,"sequence_id":64,"name":{"string":"str_value"},"score":32.0,"avg_score":64.0,"is_lasted":true,"entrance_date":0,"birthday":0,"anniversary":0,"passed":"\u0001\u0000\u0000\u0000\u0001\u0000\u0000\u0000\u00E8\u0003\u0000\u0000","bytes":"\u0001\u0002\u0003\u0004\u0005"}
+              "40800102127374725f76616c7565000000420000000000005040010000000100000001000000e80300000a0102030405"
+            ],
+        Config {
+            map_handling: None,
+            data_encoding: TestDataEncoding::HexBinary,
+        },
+        expect![[r#"
+            [
+                id(#1): Int32,
+                sequence_id(#2): Int64,
+                name(#3): Varchar,
+                score(#4): Float32,
+                avg_score(#5): Float64,
+                is_lasted(#6): Boolean,
+                entrance_date(#7): Date,
+                birthday(#8): Timestamptz,
+                anniversary(#9): Timestamptz,
+                passed(#10): Interval,
+                bytes(#11): Bytea,
+            ]"#]],
+        expect![[r#"
+            Owned(Int32(32))
+            Owned(Int64(64))
+            Borrowed(Utf8("str_value"))
+            Owned(Float32(OrderedFloat(32.0)))
+            Owned(Float64(OrderedFloat(64.0)))
+            Owned(Bool(true))
+            Owned(Date(Date(1970-01-01)))
+            Owned(Timestamptz(Timestamptz(0)))
+            Owned(Timestamptz(Timestamptz(0)))
+            Owned(Interval(Interval { months: 1, days: 1, usecs: 1000000 }))
+            Borrowed(Bytea([1, 2, 3, 4, 5]))"#]],
+    )
+}
+
+#[test]
+fn test_nullable_union() {
+    check(
+        r#"
+{
+  "name": "test_student",
+  "type": "record",
+  "fields": [
+    {
+      "name": "id",
+      "type": "int",
+      "default": 0
+    },
+    {
+      "name": "age",
+      "type": ["null", "int"]
+    },
+    {
+      "name": "sequence_id",
+      "type": ["null", "long"]
+    },
+    {
+      "name": "name",
+      "type": ["null", "string"],
+      "default": null
+    },
+    {
+      "name": "score",
+      "type": [ "float", "null" ],
+      "default": 1.0
+    },
+    {
+      "name": "avg_score",
+      "type": ["null", "double"]
+    },
+    {
+      "name": "is_lasted",
+      "type": ["null", "boolean"]
+    },
+    {
+      "name": "entrance_date",
+      "type": [
+        "null",
+        {
+          "type": "int",
+          "logicalType": "date",
+          "arg.properties": {
+            "range": {
+              "min": 1,
+              "max": 19374
+            }
+          }
+        }
+      ],
+      "default": null
+    },
+    {
+      "name": "birthday",
+      "type": [
+        "null",
+          {
+            "type": "long",
+            "logicalType": "timestamp-millis",
+            "arg.properties": {
+              "range": {
+                "min": 1,
+                "max": 1673970376213
+              }
+            }
+          }
+      ],
+      "default": null
+    },
+    {
+      "name": "anniversary",
+      "type": [
+        "null",
+        {
+          "type" : "long",
+          "logicalType": "timestamp-micros",
+          "arg.properties": {
+            "range": {
+              "min": 1,
+              "max": 1673970376213000
+            }
+          }
+        }
+      ],
+      "default": null
+    }
+  ]
+}
+        "#,
+        &[
+            // {
+            //   "id": 5,
+            //   "age": null,
+            //   "sequence_id": null,
+            //   "name": null,
+            //   "score": null,
+            //   "avg_score": null,
+            //   "is_lasted": null,
+            //   "entrance_date": null,
+            //   "birthday": null,
+            //   "anniversary": null
+            // }
+            "0a000000020000000000",
+        ],
+        Config {
+            map_handling: None,
+            data_encoding: TestDataEncoding::HexBinary,
+        },
+        expect![[r#"
+            [
+                id(#1): Int32,
+                age(#2): Int32,
+                sequence_id(#3): Int64,
+                name(#4): Varchar,
+                score(#5): Float32,
+                avg_score(#6): Float64,
+                is_lasted(#7): Boolean,
+                entrance_date(#8): Date,
+                birthday(#9): Timestamptz,
+                anniversary(#10): Timestamptz,
+            ]"#]],
+        expect![[r#"
+            Owned(Int32(5))
+            Owned(null)
+            Owned(null)
+            Owned(null)
+            Owned(null)
+            Owned(null)
+            Owned(null)
+            Owned(null)
+            Owned(null)
+            Owned(null)"#]],
+    )
+}
+
+/// From `e2e_test/source_inline/kafka/avro/upsert_avro_json`
+#[test]
+fn test_1() {
+    check(
+        r#"
+{
+  "type": "record",
+  "name": "OBJ_ATTRIBUTE_VALUE",
+  "namespace": "CPLM",
+  "fields": [
+    {
+      "name": "op_type",
+      "type": [
+        "null",
+        "string"
+      ],
+      "default": null
+    },
+    {
+      "name": "ID",
+      "type": [
+        "null",
+        "string"
+      ],
+      "default": null
+    },
+    {
+      "name": "CLASS_ID",
+      "type": [
+        "null",
+        "string"
+      ],
+      "default": null
+    },
+    {
+      "name": "ITEM_ID",
+      "type": [
+        "null",
+        "string"
+      ],
+      "default": null
+    },
+    {
+      "name": "ATTR_ID",
+      "type": [
+        "null",
+        "string"
+      ],
+      "default": null
+    },
+    {
+      "name": "ATTR_VALUE",
+      "type": [
+        "null",
+        "string"
+      ],
+      "default": null
+    },
+    {
+      "name": "ORG_ID",
+      "type": [
+        "null",
+        "string"
+      ],
+      "default": null
+    },
+    {
+      "name": "UNIT_INFO",
+      "type": [
+        "null",
+        "string"
+      ],
+      "default": null
+    },
+    {
+      "name": "UPD_TIME",
+      "type": [
+        "null",
+        "string"
+      ],
+      "default": null
+    },
+    {
+      "name": "DEC_VAL",
+      "type": [
+        {
+          "type": "bytes",
+          "logicalType": "decimal",
+          "precision": 10,
+          "scale": 2
+        },
+        "null"
+      ],
+      "default": "\u00ff"
+    },
+    {
+      "name": "REFERRED",
+      "type": [
+        "null",
+        {
+          "type": "record",
+          "name": "REFERRED_TYPE",
+          "fields": [
+            {
+              "name": "a",
+              "type": "string"
+            }
+          ]
+        }
+      ],
+      "default": null
+    },
+    {
+      "name": "REF",
+      "type": [
+        "null",
+        "REFERRED_TYPE"
+      ],
+      "default": null
+    },
+    {
+      "name": "uuid",
+      "type": [
+        "null",
+        {
+          "type": "string",
+          "logicalType": "uuid"
+        }
+      ],
+      "default": null
+    },
+    {
+      "name": "rate",
+      "type": "double",
+      "default": "NaN"
+    }
+  ],
+  "connect.name": "CPLM.OBJ_ATTRIBUTE_VALUE"
+}
+"#,
+        &[
+            // {"op_type": {"string": "update"}, "ID": {"string": "id1"}, "CLASS_ID": {"string": "1"}, "ITEM_ID": {"string": "6768"}, "ATTR_ID": {"string": "6970"}, "ATTR_VALUE": {"string": "value9"}, "ORG_ID": {"string": "7172"}, "UNIT_INFO": {"string": "info9"}, "UPD_TIME": {"string": "2021-05-18T07:59:58.714Z"}, "DEC_VAL": {"bytes": "\u0002\u0054\u000b\u00e3\u00ff"}}
+            "020c7570646174650206696431020231020836373638020836393730020c76616c756539020837313732020a696e666f390230323032312d30352d31385430373a35393a35382e3731345a000a02540be3ff000000000000000000f87f"
+            ],
+        Config {
+            map_handling: None,
+            data_encoding: TestDataEncoding::HexBinary,
+        },
+        expect![[r#"
+            [
+                op_type(#1): Varchar,
+                ID(#2): Varchar,
+                CLASS_ID(#3): Varchar,
+                ITEM_ID(#4): Varchar,
+                ATTR_ID(#5): Varchar,
+                ATTR_VALUE(#6): Varchar,
+                ORG_ID(#7): Varchar,
+                UNIT_INFO(#8): Varchar,
+                UPD_TIME(#9): Varchar,
+                DEC_VAL(#10): Decimal,
+                REFERRED(#11): Struct { a: Varchar },
+                REF(#12): Struct { a: Varchar },
+                uuid(#13): Varchar,
+                rate(#14): Float64,
+            ]"#]],
+        expect![[r#"
+            Borrowed(Utf8("update"))
+            Borrowed(Utf8("id1"))
+            Borrowed(Utf8("1"))
+            Borrowed(Utf8("6768"))
+            Borrowed(Utf8("6970"))
+            Borrowed(Utf8("value9"))
+            Borrowed(Utf8("7172"))
+            Borrowed(Utf8("info9"))
+            Borrowed(Utf8("2021-05-18T07:59:58.714Z"))
+            Owned(Decimal(Normalized(99999999.99)))
+            Owned(null)
+            Owned(null)
+            Owned(null)
+            Owned(Float64(OrderedFloat(NaN)))"#]],
+    );
+}
diff --git a/src/connector/codec/tests/integration_tests/main.rs b/src/connector/codec/tests/integration_tests/main.rs
new file mode 100644
index 0000000000000..8c718f918d0a6
--- /dev/null
+++ b/src/connector/codec/tests/integration_tests/main.rs
@@ -0,0 +1,17 @@
+// Copyright 2024 RisingWave Labs
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+mod avro;
+
+pub mod utils;
diff --git a/src/connector/codec/tests/integration_tests/utils.rs b/src/connector/codec/tests/integration_tests/utils.rs
new file mode 100644
index 0000000000000..cecb0796c455a
--- /dev/null
+++ b/src/connector/codec/tests/integration_tests/utils.rs
@@ -0,0 +1,182 @@
+// Copyright 2024 RisingWave Labs
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+pub use expect_test::{expect, Expect};
+pub use itertools::Itertools;
+pub use risingwave_common::catalog::ColumnDesc;
+use risingwave_common::types::{
+    DataType, Datum, DatumCow, DatumRef, ScalarImpl, ScalarRefImpl, ToDatumRef,
+};
+use risingwave_pb::plan_common::AdditionalColumn;
+
+/// More concise display for `DataType`, to use in tests.
+pub struct DataTypeTestDisplay<'a>(pub &'a DataType);
+
+impl<'a> std::fmt::Debug for DataTypeTestDisplay<'a> {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self.0 {
+            DataType::Struct(s) => {
+                if s.len() == 1 {
+                    // avoid multiline display for single field struct
+                    let (name, ty) = s.iter().next().unwrap();
+                    return write!(f, "Struct {{ {}: {:?} }}", name, &DataTypeTestDisplay(ty));
+                }
+
+                let mut f = f.debug_struct("Struct");
+                for (name, ty) in s.iter() {
+                    f.field(name, &DataTypeTestDisplay(ty));
+                }
+                f.finish()?;
+                Ok(())
+            }
+            DataType::List(t) => f
+                .debug_tuple("List")
+                .field(&DataTypeTestDisplay(t))
+                .finish(),
+            _ => {
+                // do not use alternative display for simple types
+                write!(f, "{:?}", self.0)
+            }
+        }
+    }
+}
+
+/// More concise display for `ScalarRefImpl`, to use in tests.
+pub struct ScalarRefImplTestDisplay<'a>(pub ScalarRefImpl<'a>);
+
+impl<'a> std::fmt::Debug for ScalarRefImplTestDisplay<'a> {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self.0 {
+            ScalarRefImpl::Struct(s) => {
+                if s.iter_fields_ref().len() == 1 {
+                    // avoid multiline display for single field struct
+                    let field = s.iter_fields_ref().next().unwrap();
+                    return write!(f, "StructValue({:#?})", &DatumRefTestDisplay(field));
+                }
+
+                let mut f = f.debug_tuple("StructValue");
+                for field in s.iter_fields_ref() {
+                    f.field(&DatumRefTestDisplay(field));
+                }
+                f.finish()?;
+                Ok(())
+            }
+            ScalarRefImpl::List(l) => f
+                .debug_list()
+                .entries(l.iter().map(DatumRefTestDisplay))
+                .finish(),
+            _ => {
+                // do not use alternative display for simple types
+                write!(f, "{:?}", self.0)
+            }
+        }
+    }
+}
+
+/// More concise display for `ScalarImpl`, to use in tests.
+pub struct ScalarImplTestDisplay<'a>(pub &'a ScalarImpl);
+
+impl<'a> std::fmt::Debug for ScalarImplTestDisplay<'a> {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        ScalarRefImplTestDisplay(self.0.as_scalar_ref_impl()).fmt(f)
+    }
+}
+
+/// More concise display for `DatumRef`, to use in tests.
+pub struct DatumRefTestDisplay<'a>(pub DatumRef<'a>);
+
+impl<'a> std::fmt::Debug for DatumRefTestDisplay<'a> {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self.0 {
+            Some(scalar) => ScalarRefImplTestDisplay(scalar).fmt(f),
+            None => write!(f, "null"),
+        }
+    }
+}
+
+/// More concise display for `Datum`, to use in tests.
+pub struct DatumTestDisplay<'a>(pub &'a Datum);
+
+impl<'a> std::fmt::Debug for DatumTestDisplay<'a> {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        DatumRefTestDisplay(self.0.to_datum_ref()).fmt(f)
+    }
+}
+
+/// More concise display for `DatumCow`, to use in tests.
+pub struct DatumCowTestDisplay<'a>(pub &'a DatumCow<'a>);
+
+impl<'a> std::fmt::Debug for DatumCowTestDisplay<'a> {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self.0 {
+            DatumCow::Borrowed(datum_ref) => {
+                // don't use debug_tuple to avoid extra newline
+                write!(f, "Borrowed(")?;
+                DatumRefTestDisplay(*datum_ref).fmt(f)?;
+                write!(f, ")")?;
+            }
+            DatumCow::Owned(datum) => {
+                write!(f, "Owned(")?;
+                DatumTestDisplay(datum).fmt(f)?;
+                write!(f, ")")?;
+            }
+        }
+        Ok(())
+    }
+}
+
+/// More concise display for `ColumnDesc`, to use in tests.
+pub struct ColumnDescTestDisplay<'a>(pub &'a ColumnDesc);
+
+impl<'a> std::fmt::Debug for ColumnDescTestDisplay<'a> {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let ColumnDesc {
+            data_type,
+            column_id,
+            name,
+            field_descs,
+            type_name,
+            generated_or_default_column,
+            description,
+            additional_column: AdditionalColumn { column_type },
+            version: _,
+        } = &self.0;
+
+        write!(
+            f,
+            "{name}(#{column_id}): {:#?}",
+            DataTypeTestDisplay(data_type)
+        )?;
+        if !type_name.is_empty() {
+            write!(f, ", type_name: {}", type_name)?;
+        }
+        if !field_descs.is_empty() {
+            write!(f, ", field_descs: {:?}", field_descs)?;
+        }
+        if let Some(generated_or_default_column) = generated_or_default_column {
+            write!(
+                f,
+                ", generated_or_default_column: {:?}",
+                generated_or_default_column
+            )?;
+        }
+        if let Some(description) = description {
+            write!(f, ", description: {:?}", description)?;
+        }
+        if let Some(column_type) = column_type {
+            write!(f, ", additional_column: {:?}", column_type)?;
+        }
+        Ok(())
+    }
+}
diff --git a/src/connector/src/parser/avro/parser.rs b/src/connector/src/parser/avro/parser.rs
index f6abe86a17f0d..5bd0038e3e839 100644
--- a/src/connector/src/parser/avro/parser.rs
+++ b/src/connector/src/parser/avro/parser.rs
@@ -72,6 +72,24 @@ impl AvroAccessBuilder {
 
     /// Note: we should use unresolved schema to parsing bytes into avro value.
     /// Otherwise it's an invalid schema and parsing will fail. (Avro error: Two named schema defined for same fullname)
+    ///
+    /// # Notes about how Avro data looks like
+    ///
+    /// First, it has two [serialization encodings: binary and JSON](https://avro.apache.org/docs/1.11.1/specification/#encodings).
+    /// They don't have magic bytes and cannot be distinguished on their own.
+    ///
+    /// But in different cases, it starts with different headers, or magic bytes, which can be confusing.
+    ///
+    /// ## `apache_avro` API and headers
+    ///
+    /// - `apache_avro::Reader`: [Object Container Files](https://avro.apache.org/docs/1.11.1/specification/#object-container-files): contains file header, starting with 4 bytes `Obj1`. This is a batch file encoding. We don't use it.
+    /// - `apache_avro::GenericSingleObjectReader`: [Single-object encoding](https://avro.apache.org/docs/1.11.1/specification/#single-object-encoding): starts with 2 bytes `0xC301`. This is designed to be used in places like Kafka, but Confluent schema registry doesn't use it.
+    /// - `apache_avro::from_avro_datum`: no header, binary encoding. This is what we should use.
+    ///
+    /// ## Confluent schema registry
+    ///
+    /// - In Kafka ([Confluent schema registry wire format](https://docs.confluent.io/platform/7.6/schema-registry/fundamentals/serdes-develop/index.html#wire-format)):
+    /// starts with 5 bytes`0x00{schema_id:08x}` followed by Avro binary encoding.
     async fn parse_avro_value(&self, payload: &[u8]) -> ConnectorResult<Option<Value>> {
         // parse payload to avro value
         // if use confluent schema, get writer schema from confluent schema registry
@@ -84,6 +102,7 @@ impl AvroAccessBuilder {
                 Some(&self.schema.original_schema),
             )?))
         } else {
+            // FIXME: we should not use `Reader` (file header) here. See comment above and https://github.com/risingwavelabs/risingwave/issues/12871
             let mut reader = Reader::with_schema(&self.schema.original_schema, payload)?;
             match reader.next() {
                 Some(Ok(v)) => Ok(Some(v)),
@@ -185,46 +204,17 @@ impl AvroParserConfig {
 #[cfg(test)]
 mod test {
     use std::env;
-    use std::fs::OpenOptions;
-    use std::io::Write;
-    use std::ops::Sub;
-    use std::path::PathBuf;
 
-    use apache_avro::schema::RecordSchema;
-    use apache_avro::types::Record;
-    use apache_avro::{Codec, Days, Duration, Millis, Months, Writer};
-    use itertools::Itertools;
-    use risingwave_common::array::Op;
-    use risingwave_common::catalog::ColumnId;
-    use risingwave_common::row::Row;
-    use risingwave_common::types::{DataType, Date};
-    use risingwave_common::util::iter_util::ZipEqFast;
-    use risingwave_pb::catalog::StreamSourceInfo;
-    use risingwave_pb::plan_common::{PbEncodeType, PbFormatType};
     use url::Url;
 
     use super::*;
     use crate::connector_common::AwsAuthProps;
-    use crate::parser::plain_parser::PlainParser;
-    use crate::parser::{AccessBuilderImpl, SourceStreamChunkBuilder, SpecificParserConfig};
-    use crate::source::{SourceColumnDesc, SourceContext};
 
     fn test_data_path(file_name: &str) -> String {
         let curr_dir = env::current_dir().unwrap().into_os_string();
         curr_dir.into_string().unwrap() + "/src/test_data/" + file_name
     }
 
-    fn e2e_file_path(file_name: &str) -> String {
-        let curr_dir = env::current_dir().unwrap().into_os_string();
-        let binding = PathBuf::from(curr_dir);
-        let dir = binding.parent().unwrap().parent().unwrap();
-        dir.join("scripts/source/test_data/")
-            .join(file_name)
-            .to_str()
-            .unwrap()
-            .to_string()
-    }
-
     #[tokio::test]
     #[ignore]
     async fn test_load_schema_from_s3() {
@@ -261,290 +251,4 @@ mod test {
         assert!(schema.is_ok());
         println!("schema = {:?}", schema.unwrap());
     }
-
-    async fn new_avro_conf_from_local(file_name: &str) -> ConnectorResult<AvroParserConfig> {
-        let schema_path = format!("file://{}", test_data_path(file_name));
-        let info = StreamSourceInfo {
-            row_schema_location: schema_path.clone(),
-            use_schema_registry: false,
-            format: PbFormatType::Plain.into(),
-            row_encode: PbEncodeType::Avro.into(),
-            ..Default::default()
-        };
-        let parser_config = SpecificParserConfig::new(&info, &Default::default())?;
-        AvroParserConfig::new(parser_config.encoding_config).await
-    }
-
-    async fn new_avro_parser_from_local(file_name: &str) -> ConnectorResult<PlainParser> {
-        let conf = new_avro_conf_from_local(file_name).await?;
-
-        Ok(PlainParser {
-            key_builder: None,
-            payload_builder: AccessBuilderImpl::Avro(AvroAccessBuilder::new(
-                conf,
-                EncodingType::Value,
-            )?),
-            rw_columns: Vec::default(),
-            source_ctx: SourceContext::dummy().into(),
-            transaction_meta_builder: None,
-        })
-    }
-
-    #[tokio::test]
-    async fn test_avro_parser() {
-        let mut parser = new_avro_parser_from_local("simple-schema.avsc")
-            .await
-            .unwrap();
-        let builder = try_match_expand!(&parser.payload_builder, AccessBuilderImpl::Avro).unwrap();
-        let schema = builder.schema.original_schema.clone();
-        let record = build_avro_data(&schema);
-        assert_eq!(record.fields.len(), 11);
-        let mut writer = Writer::with_codec(&schema, Vec::new(), Codec::Snappy);
-        writer.append(record.clone()).unwrap();
-        let flush = writer.flush().unwrap();
-        assert!(flush > 0);
-        let input_data = writer.into_inner().unwrap();
-        let columns = build_rw_columns();
-        let mut builder = SourceStreamChunkBuilder::with_capacity(columns, 1);
-        {
-            let writer = builder.row_writer();
-            parser
-                .parse_inner(None, Some(input_data), writer)
-                .await
-                .unwrap();
-        }
-        let chunk = builder.finish();
-        let (op, row) = chunk.rows().next().unwrap();
-        assert_eq!(op, Op::Insert);
-
-        expect_test::expect![[r#"
-            ("id", Int(32)) => Some(Int32(32))
-            ("sequence_id", Long(64)) => Some(Int64(64))
-            ("name", Union(1, String("str_value"))) => Some(Utf8("str_value"))
-            ("score", Float(32.0)) => Some(Float32(OrderedFloat(32.0)))
-            ("avg_score", Double(64.0)) => Some(Float64(OrderedFloat(64.0)))
-            ("is_lasted", Boolean(true)) => Some(Bool(true))
-            ("entrance_date", Date(0)) => Some(Date(Date(1970-01-01)))
-            ("birthday", TimestampMillis(0)) => Some(Timestamptz(Timestamptz(0)))
-            ("anniversary", TimestampMicros(0)) => Some(Timestamptz(Timestamptz(0)))
-            ("passed", Duration(Duration { months: Months(1), days: Days(1), millis: Millis(1000) })) => Some(Interval(Interval { months: 1, days: 1, usecs: 1000000 }))
-            ("bytes", Bytes([1, 2, 3, 4, 5])) => Some(Bytea([1, 2, 3, 4, 5]))"#]].assert_eq(&format!(
-            "{}",
-            record
-                .fields
-                .iter()
-                .zip_eq_fast(row.iter())
-                .format_with("\n", |(avro, datum), f| {
-                    f(&format_args!("{:?} => {:?}", avro, datum))
-                })
-        ));
-    }
-
-    fn build_rw_columns() -> Vec<SourceColumnDesc> {
-        vec![
-            SourceColumnDesc::simple("id", DataType::Int32, ColumnId::from(0)),
-            SourceColumnDesc::simple("sequence_id", DataType::Int64, ColumnId::from(1)),
-            SourceColumnDesc::simple("name", DataType::Varchar, ColumnId::from(2)),
-            SourceColumnDesc::simple("score", DataType::Float32, ColumnId::from(3)),
-            SourceColumnDesc::simple("avg_score", DataType::Float64, ColumnId::from(4)),
-            SourceColumnDesc::simple("is_lasted", DataType::Boolean, ColumnId::from(5)),
-            SourceColumnDesc::simple("entrance_date", DataType::Date, ColumnId::from(6)),
-            SourceColumnDesc::simple("birthday", DataType::Timestamptz, ColumnId::from(7)),
-            SourceColumnDesc::simple("anniversary", DataType::Timestamptz, ColumnId::from(8)),
-            SourceColumnDesc::simple("passed", DataType::Interval, ColumnId::from(9)),
-            SourceColumnDesc::simple("bytes", DataType::Bytea, ColumnId::from(10)),
-        ]
-    }
-
-    fn build_field(schema: &Schema) -> Option<Value> {
-        match schema {
-            Schema::String => Some(Value::String("str_value".to_string())),
-            Schema::Int => Some(Value::Int(32_i32)),
-            Schema::Long => Some(Value::Long(64_i64)),
-            Schema::Float => Some(Value::Float(32_f32)),
-            Schema::Double => Some(Value::Double(64_f64)),
-            Schema::Boolean => Some(Value::Boolean(true)),
-            Schema::Bytes => Some(Value::Bytes(vec![1, 2, 3, 4, 5])),
-
-            Schema::Date => {
-                let original_date = Date::from_ymd_uncheck(1970, 1, 1).and_hms_uncheck(0, 0, 0);
-                let naive_date = Date::from_ymd_uncheck(1970, 1, 1).and_hms_uncheck(0, 0, 0);
-                let num_days = naive_date.0.sub(original_date.0).num_days() as i32;
-                Some(Value::Date(num_days))
-            }
-            Schema::TimestampMillis => {
-                let datetime = Date::from_ymd_uncheck(1970, 1, 1).and_hms_uncheck(0, 0, 0);
-                let timestamp_mills =
-                    Value::TimestampMillis(datetime.0.and_utc().timestamp() * 1_000);
-                Some(timestamp_mills)
-            }
-            Schema::TimestampMicros => {
-                let datetime = Date::from_ymd_uncheck(1970, 1, 1).and_hms_uncheck(0, 0, 0);
-                let timestamp_micros =
-                    Value::TimestampMicros(datetime.0.and_utc().timestamp() * 1_000_000);
-                Some(timestamp_micros)
-            }
-            Schema::Duration => {
-                let months = Months::new(1);
-                let days = Days::new(1);
-                let millis = Millis::new(1000);
-                Some(Value::Duration(Duration::new(months, days, millis)))
-            }
-
-            Schema::Union(union_schema) => {
-                let inner_schema = union_schema
-                    .variants()
-                    .iter()
-                    .find_or_first(|s| !matches!(s, &&Schema::Null))
-                    .unwrap();
-
-                match build_field(inner_schema) {
-                    None => {
-                        let index_of_union = union_schema
-                            .find_schema_with_known_schemata::<&Schema>(&Value::Null, None, &None)
-                            .unwrap()
-                            .0 as u32;
-                        Some(Value::Union(index_of_union, Box::new(Value::Null)))
-                    }
-                    Some(value) => {
-                        let index_of_union = union_schema
-                            .find_schema_with_known_schemata::<&Schema>(&value, None, &None)
-                            .unwrap()
-                            .0 as u32;
-                        Some(Value::Union(index_of_union, Box::new(value)))
-                    }
-                }
-            }
-            _ => None,
-        }
-    }
-
-    fn build_avro_data(schema: &Schema) -> Record<'_> {
-        let mut record = Record::new(schema).unwrap();
-        if let Schema::Record(RecordSchema {
-            name: _, fields, ..
-        }) = schema.clone()
-        {
-            for field in &fields {
-                let value = build_field(&field.schema)
-                    .unwrap_or_else(|| panic!("No value defined for field, {}", field.name));
-                record.put(field.name.as_str(), value)
-            }
-        }
-        record
-    }
-
-    #[tokio::test]
-    async fn test_map_to_columns() {
-        let conf = new_avro_conf_from_local("simple-schema.avsc")
-            .await
-            .unwrap();
-        let columns = conf.map_to_columns().unwrap();
-        assert_eq!(columns.len(), 11);
-        println!("{:?}", columns);
-    }
-
-    #[tokio::test]
-    async fn test_new_avro_parser() {
-        let avro_parser_rs = new_avro_parser_from_local("simple-schema.avsc").await;
-        let avro_parser = avro_parser_rs.unwrap();
-        println!("avro_parser = {:?}", avro_parser);
-    }
-
-    #[tokio::test]
-    async fn test_avro_union_type() {
-        let parser = new_avro_parser_from_local("union-schema.avsc")
-            .await
-            .unwrap();
-        let builder = try_match_expand!(&parser.payload_builder, AccessBuilderImpl::Avro).unwrap();
-        let schema = &builder.schema.original_schema;
-        let mut null_record = Record::new(schema).unwrap();
-        null_record.put("id", Value::Int(5));
-        null_record.put("age", Value::Union(0, Box::new(Value::Null)));
-        null_record.put("sequence_id", Value::Union(0, Box::new(Value::Null)));
-        null_record.put("name", Value::Union(0, Box::new(Value::Null)));
-        null_record.put("score", Value::Union(1, Box::new(Value::Null)));
-        null_record.put("avg_score", Value::Union(0, Box::new(Value::Null)));
-        null_record.put("is_lasted", Value::Union(0, Box::new(Value::Null)));
-        null_record.put("entrance_date", Value::Union(0, Box::new(Value::Null)));
-        null_record.put("birthday", Value::Union(0, Box::new(Value::Null)));
-        null_record.put("anniversary", Value::Union(0, Box::new(Value::Null)));
-
-        let mut writer = Writer::new(schema, Vec::new());
-        writer.append(null_record).unwrap();
-        writer.flush().unwrap();
-
-        let record = build_avro_data(schema);
-        writer.append(record).unwrap();
-        writer.flush().unwrap();
-
-        let records = writer.into_inner().unwrap();
-
-        let reader: Vec<_> = Reader::with_schema(schema, &records[..]).unwrap().collect();
-        assert_eq!(2, reader.len());
-        let null_record_expected: Vec<(String, Value)> = vec![
-            ("id".to_string(), Value::Int(5)),
-            ("age".to_string(), Value::Union(0, Box::new(Value::Null))),
-            (
-                "sequence_id".to_string(),
-                Value::Union(0, Box::new(Value::Null)),
-            ),
-            ("name".to_string(), Value::Union(0, Box::new(Value::Null))),
-            ("score".to_string(), Value::Union(1, Box::new(Value::Null))),
-            (
-                "avg_score".to_string(),
-                Value::Union(0, Box::new(Value::Null)),
-            ),
-            (
-                "is_lasted".to_string(),
-                Value::Union(0, Box::new(Value::Null)),
-            ),
-            (
-                "entrance_date".to_string(),
-                Value::Union(0, Box::new(Value::Null)),
-            ),
-            (
-                "birthday".to_string(),
-                Value::Union(0, Box::new(Value::Null)),
-            ),
-            (
-                "anniversary".to_string(),
-                Value::Union(0, Box::new(Value::Null)),
-            ),
-        ];
-        let null_record_value = reader.first().unwrap().as_ref().unwrap();
-        match null_record_value {
-            Value::Record(values) => {
-                assert_eq!(values, &null_record_expected)
-            }
-            _ => unreachable!(),
-        }
-    }
-
-    // run this script when updating `simple-schema.avsc`, the script will generate new value in
-    // `avro_simple_schema_bin.1`
-    #[ignore]
-    #[tokio::test]
-    async fn update_avro_payload() {
-        let conf = new_avro_conf_from_local("simple-schema.avsc")
-            .await
-            .unwrap();
-        let mut writer = Writer::new(conf.schema.original_schema.as_ref(), Vec::new());
-        let record = build_avro_data(conf.schema.original_schema.as_ref());
-        writer.append(record).unwrap();
-        let encoded = writer.into_inner().unwrap();
-        println!("path = {:?}", e2e_file_path("avro_simple_schema_bin.1"));
-        let mut file = OpenOptions::new()
-            .read(true)
-            .write(true)
-            .create(true)
-            .truncate(true)
-            .open(e2e_file_path("avro_simple_schema_bin.1"))
-            .unwrap();
-        file.write_all(encoded.as_slice()).unwrap();
-        println!(
-            "encoded = {:?}",
-            String::from_utf8_lossy(encoded.as_slice())
-        );
-    }
 }
diff --git a/src/connector/src/parser/mod.rs b/src/connector/src/parser/mod.rs
index bca1b727d66a8..fee737fce1106 100644
--- a/src/connector/src/parser/mod.rs
+++ b/src/connector/src/parser/mod.rs
@@ -86,7 +86,7 @@ mod upsert_parser;
 mod util;
 
 pub use debezium::DEBEZIUM_IGNORE_KEY;
-use risingwave_common::buffer::BitmapBuilder;
+use risingwave_common::bitmap::BitmapBuilder;
 pub use unified::{AccessError, AccessResult};
 
 /// A builder for building a [`StreamChunk`] from [`SourceColumnDesc`].
@@ -751,7 +751,7 @@ async fn into_chunk_stream_inner<P: ByteStreamSourceParser>(
                 // report to promethus
                 GLOBAL_SOURCE_METRICS
                     .direct_cdc_event_lag_latency
-                    .with_label_values(&[&msg_meta.full_table_name])
+                    .with_guarded_label_values(&[&msg_meta.full_table_name])
                     .observe(lag_ms as f64);
             }
 
@@ -842,6 +842,7 @@ async fn into_chunk_stream_inner<P: ByteStreamSourceParser>(
     }
 }
 
+/// Parses raw bytes into a specific format (avro, json, protobuf, ...), and then builds an [`Access`] from the parsed data.
 pub trait AccessBuilder {
     async fn generate_accessor(&mut self, payload: Vec<u8>) -> ConnectorResult<AccessImpl<'_>>;
 }
diff --git a/src/connector/src/schema/schema_registry/util.rs b/src/connector/src/schema/schema_registry/util.rs
index 44b7a350e6823..a02d1deaf390d 100644
--- a/src/connector/src/schema/schema_registry/util.rs
+++ b/src/connector/src/schema/schema_registry/util.rs
@@ -53,11 +53,15 @@ pub enum WireFormatError {
     ParseMessageIndexes,
 }
 
-/// extract the magic number and `schema_id` at the front of payload
+/// Returns `(schema_id, payload)`
 ///
-/// 0 -> magic number
-/// 1-4 -> schema id
-/// 5-... -> message payload
+/// Refer to [Confluent schema registry wire format](https://docs.confluent.io/platform/7.6/schema-registry/fundamentals/serdes-develop/index.html#wire-format)
+///
+/// | Bytes | Area        | Description                                                                                        |
+/// |-------|-------------|----------------------------------------------------------------------------------------------------|
+/// | 0     | Magic Byte  | Confluent serialization format version number; currently always `0`.                               |
+/// | 1-4   | Schema ID   | 4-byte schema ID as returned by Schema Registry.                                                   |
+/// | 5-... | Data        | Serialized data for the specified schema format (for example, binary encoding for Avro or Protobuf.|
 pub(crate) fn extract_schema_id(payload: &[u8]) -> Result<(i32, &[u8]), WireFormatError> {
     use byteorder::{BigEndian, ReadBytesExt as _};
 
diff --git a/src/connector/src/sink/big_query.rs b/src/connector/src/sink/big_query.rs
index df800f234831c..04f3360b1a02a 100644
--- a/src/connector/src/sink/big_query.rs
+++ b/src/connector/src/sink/big_query.rs
@@ -42,7 +42,7 @@ use prost_types::{
     FileDescriptorSet,
 };
 use risingwave_common::array::{Op, StreamChunk};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{Field, Schema};
 use risingwave_common::types::DataType;
 use serde_derive::Deserialize;
diff --git a/src/connector/src/sink/boxed.rs b/src/connector/src/sink/boxed.rs
index bb3edaa22f087..f31e3b0a06805 100644
--- a/src/connector/src/sink/boxed.rs
+++ b/src/connector/src/sink/boxed.rs
@@ -17,7 +17,7 @@ use std::sync::Arc;
 
 use async_trait::async_trait;
 use risingwave_common::array::StreamChunk;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_pb::connector_service::SinkMetadata;
 
 use crate::sink::{SinkCommitCoordinator, SinkWriter};
diff --git a/src/connector/src/sink/clickhouse.rs b/src/connector/src/sink/clickhouse.rs
index bd5ebe8a6ce8d..bbeb27aa4514c 100644
--- a/src/connector/src/sink/clickhouse.rs
+++ b/src/connector/src/sink/clickhouse.rs
@@ -22,7 +22,7 @@ use clickhouse::insert::Insert;
 use clickhouse::{Client as ClickHouseClient, Row as ClickHouseRow};
 use itertools::Itertools;
 use risingwave_common::array::{Op, StreamChunk};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::Schema;
 use risingwave_common::row::Row;
 use risingwave_common::session_config::sink_decouple::SinkDecouple;
diff --git a/src/connector/src/sink/coordinate.rs b/src/connector/src/sink/coordinate.rs
index f2bc4f4b3b362..c069167870101 100644
--- a/src/connector/src/sink/coordinate.rs
+++ b/src/connector/src/sink/coordinate.rs
@@ -16,7 +16,7 @@ use std::sync::Arc;
 
 use anyhow::anyhow;
 use risingwave_common::array::StreamChunk;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_pb::connector_service::SinkMetadata;
 use risingwave_rpc_client::CoordinatorStreamHandle;
 use tracing::warn;
diff --git a/src/connector/src/sink/deltalake.rs b/src/connector/src/sink/deltalake.rs
index 4ad98da4975fa..43e9d2c98cf6c 100644
--- a/src/connector/src/sink/deltalake.rs
+++ b/src/connector/src/sink/deltalake.rs
@@ -29,7 +29,7 @@ use deltalake::DeltaTable;
 use risingwave_common::array::arrow::DeltaLakeConvert;
 use risingwave_common::array::StreamChunk;
 use risingwave_common::bail;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::Schema;
 use risingwave_common::session_config::sink_decouple::SinkDecouple;
 use risingwave_common::types::DataType;
diff --git a/src/connector/src/sink/doris.rs b/src/connector/src/sink/doris.rs
index f8c7b374d11ce..35c438a534992 100644
--- a/src/connector/src/sink/doris.rs
+++ b/src/connector/src/sink/doris.rs
@@ -21,7 +21,7 @@ use base64::engine::general_purpose;
 use base64::Engine;
 use bytes::{BufMut, Bytes, BytesMut};
 use risingwave_common::array::{Op, StreamChunk};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::Schema;
 use risingwave_common::types::DataType;
 use serde::Deserialize;
diff --git a/src/connector/src/sink/iceberg/mod.rs b/src/connector/src/sink/iceberg/mod.rs
index 4399b9c45334e..a63f5e49f0f80 100644
--- a/src/connector/src/sink/iceberg/mod.rs
+++ b/src/connector/src/sink/iceberg/mod.rs
@@ -47,7 +47,7 @@ use itertools::Itertools;
 use risingwave_common::array::arrow::IcebergArrowConvert;
 use risingwave_common::array::{Op, StreamChunk};
 use risingwave_common::bail;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::Schema;
 use risingwave_pb::connector_service::sink_metadata::Metadata::Serialized;
 use risingwave_pb::connector_service::sink_metadata::SerializedMetadata;
diff --git a/src/connector/src/sink/log_store.rs b/src/connector/src/sink/log_store.rs
index d609aa7170d0d..d2609e404cc56 100644
--- a/src/connector/src/sink/log_store.rs
+++ b/src/connector/src/sink/log_store.rs
@@ -24,7 +24,7 @@ use await_tree::InstrumentAwait;
 use futures::{TryFuture, TryFutureExt};
 use risingwave_common::array::StreamChunk;
 use risingwave_common::bail;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::metrics::LabelGuardedIntCounter;
 use risingwave_common::util::epoch::{EpochPair, INVALID_EPOCH};
 
diff --git a/src/connector/src/sink/mock_coordination_client.rs b/src/connector/src/sink/mock_coordination_client.rs
index 8089a99e32ec0..61a1a163171b2 100644
--- a/src/connector/src/sink/mock_coordination_client.rs
+++ b/src/connector/src/sink/mock_coordination_client.rs
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_pb::connector_service::coordinate_response::{
     self, CommitResponse, StartCoordinationResponse,
 };
diff --git a/src/connector/src/sink/mod.rs b/src/connector/src/sink/mod.rs
index 097c0e57b15c1..872e7bbfeaf7c 100644
--- a/src/connector/src/sink/mod.rs
+++ b/src/connector/src/sink/mod.rs
@@ -54,7 +54,7 @@ use ::deltalake::DeltaTableError;
 use ::redis::RedisError;
 use anyhow::anyhow;
 use async_trait::async_trait;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{ColumnDesc, Field, Schema};
 use risingwave_common::metrics::{
     LabelGuardedHistogram, LabelGuardedIntCounter, LabelGuardedIntGauge,
diff --git a/src/connector/src/sink/snowflake.rs b/src/connector/src/sink/snowflake.rs
index f08519e3e8da6..0f512933cd0f7 100644
--- a/src/connector/src/sink/snowflake.rs
+++ b/src/connector/src/sink/snowflake.rs
@@ -20,7 +20,7 @@ use anyhow::{anyhow, Context};
 use async_trait::async_trait;
 use bytes::{Bytes, BytesMut};
 use risingwave_common::array::{Op, StreamChunk};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::Schema;
 use risingwave_object_store::object::{ObjectStore, OpendalStreamingUploader, StreamingUploader};
 use serde::Deserialize;
diff --git a/src/connector/src/sink/sqlserver.rs b/src/connector/src/sink/sqlserver.rs
index acdad3c47627e..959513e38b349 100644
--- a/src/connector/src/sink/sqlserver.rs
+++ b/src/connector/src/sink/sqlserver.rs
@@ -18,7 +18,7 @@ use std::sync::Arc;
 use anyhow::anyhow;
 use async_trait::async_trait;
 use risingwave_common::array::{Op, RowRef, StreamChunk};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::Schema;
 use risingwave_common::row::{OwnedRow, Row};
 use risingwave_common::types::{DataType, Decimal};
diff --git a/src/connector/src/sink/starrocks.rs b/src/connector/src/sink/starrocks.rs
index 64dadf0b89866..56c352bfb4a9e 100644
--- a/src/connector/src/sink/starrocks.rs
+++ b/src/connector/src/sink/starrocks.rs
@@ -22,7 +22,7 @@ use bytes::Bytes;
 use mysql_async::prelude::Queryable;
 use mysql_async::Opts;
 use risingwave_common::array::{Op, StreamChunk};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::Schema;
 use risingwave_common::session_config::sink_decouple::SinkDecouple;
 use risingwave_common::types::DataType;
diff --git a/src/connector/src/sink/writer.rs b/src/connector/src/sink/writer.rs
index 00917f26c4163..7057fa8c8b510 100644
--- a/src/connector/src/sink/writer.rs
+++ b/src/connector/src/sink/writer.rs
@@ -21,7 +21,7 @@ use async_trait::async_trait;
 use futures::future::{select, Either};
 use futures::TryFuture;
 use risingwave_common::array::StreamChunk;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use rw_futures_util::drop_either_future;
 
 use crate::sink::encoder::SerTo;
diff --git a/src/connector/src/source/cdc/source/reader.rs b/src/connector/src/source/cdc/source/reader.rs
index 171b25bc94782..75f8165f7928d 100644
--- a/src/connector/src/source/cdc/source/reader.rs
+++ b/src/connector/src/source/cdc/source/reader.rs
@@ -217,7 +217,7 @@ impl<T: CdcSourceTypeTrait> CdcSplitReader<T> {
                     tracing::trace!("receive {} cdc events ", events.len());
                     metrics
                         .connector_source_rows_received
-                        .with_label_values(&[source_type.as_str_name(), &source_id])
+                        .with_guarded_label_values(&[source_type.as_str_name(), &source_id])
                         .inc_by(events.len() as u64);
                     let msgs = events.into_iter().map(SourceMessage::from).collect_vec();
                     yield msgs;
diff --git a/src/connector/src/source/common.rs b/src/connector/src/source/common.rs
index abb80221e8fae..3acb85a87150e 100644
--- a/src/connector/src/source/common.rs
+++ b/src/connector/src/source/common.rs
@@ -49,7 +49,7 @@ pub(crate) async fn into_chunk_stream(
             for (split_id, msgs) in by_split_id {
                 metrics
                     .partition_input_count
-                    .with_label_values(&[
+                    .with_guarded_label_values(&[
                         &actor_id,
                         &source_id,
                         split_id,
@@ -65,7 +65,7 @@ pub(crate) async fn into_chunk_stream(
 
                 metrics
                     .partition_input_bytes
-                    .with_label_values(&[
+                    .with_guarded_label_values(&[
                         &actor_id,
                         &source_id,
                         split_id,
diff --git a/src/connector/src/source/datagen/source/reader.rs b/src/connector/src/source/datagen/source/reader.rs
index 992343058e9ef..e6c6db6af5a71 100644
--- a/src/connector/src/source/datagen/source/reader.rs
+++ b/src/connector/src/source/datagen/source/reader.rs
@@ -162,7 +162,7 @@ impl SplitReader for DatagenSplitReader {
                         .inspect_ok(move |stream_chunk| {
                             metrics
                                 .partition_input_count
-                                .with_label_values(&[
+                                .with_guarded_label_values(&[
                                     &actor_id,
                                     &source_id,
                                     &split_id,
diff --git a/src/connector/src/source/filesystem/opendal_source/mod.rs b/src/connector/src/source/filesystem/opendal_source/mod.rs
index 26a311f26eb8d..78c6ebf4cd8c7 100644
--- a/src/connector/src/source/filesystem/opendal_source/mod.rs
+++ b/src/connector/src/source/filesystem/opendal_source/mod.rs
@@ -26,7 +26,7 @@ pub mod opendal_reader;
 use self::opendal_enumerator::OpendalEnumerator;
 use self::opendal_reader::OpendalReader;
 use super::file_common::CompressionFormat;
-use super::s3::S3PropertiesCommon;
+pub use super::s3::S3PropertiesCommon;
 use super::OpendalFsSplit;
 use crate::error::ConnectorResult;
 use crate::source::{SourceProperties, UnknownFields};
diff --git a/src/connector/src/source/filesystem/opendal_source/opendal_reader.rs b/src/connector/src/source/filesystem/opendal_source/opendal_reader.rs
index a37a4999d90e5..f3a6b96cf2d6b 100644
--- a/src/connector/src/source/filesystem/opendal_source/opendal_reader.rs
+++ b/src/connector/src/source/filesystem/opendal_source/opendal_reader.rs
@@ -168,7 +168,7 @@ impl<Src: OpendalSource> OpendalReader<Src> {
                 source_ctx
                     .metrics
                     .partition_input_bytes
-                    .with_label_values(&[
+                    .with_guarded_label_values(&[
                         &actor_id,
                         &source_id,
                         &split_id,
@@ -185,7 +185,13 @@ impl<Src: OpendalSource> OpendalReader<Src> {
             source_ctx
                 .metrics
                 .partition_input_bytes
-                .with_label_values(&[&actor_id, &source_id, &split_id, &source_name, &fragment_id])
+                .with_guarded_label_values(&[
+                    &actor_id,
+                    &source_id,
+                    &split_id,
+                    &source_name,
+                    &fragment_id,
+                ])
                 .inc_by(batch_size as u64);
             yield batch;
         }
diff --git a/src/connector/src/source/filesystem/s3/source/reader.rs b/src/connector/src/source/filesystem/s3/source/reader.rs
index 9f94dedbfacb5..7e02102686d00 100644
--- a/src/connector/src/source/filesystem/s3/source/reader.rs
+++ b/src/connector/src/source/filesystem/s3/source/reader.rs
@@ -124,7 +124,7 @@ impl S3FileReader {
                 source_ctx
                     .metrics
                     .partition_input_bytes
-                    .with_label_values(&[
+                    .with_guarded_label_values(&[
                         &actor_id,
                         &source_id,
                         &split_id,
@@ -141,7 +141,13 @@ impl S3FileReader {
             source_ctx
                 .metrics
                 .partition_input_bytes
-                .with_label_values(&[&actor_id, &source_id, &split_id, &source_name, &fragment_id])
+                .with_guarded_label_values(&[
+                    &actor_id,
+                    &source_id,
+                    &split_id,
+                    &source_name,
+                    &fragment_id,
+                ])
                 .inc_by(batch_size as u64);
             yield batch;
         }
diff --git a/src/connector/src/source/iceberg/mod.rs b/src/connector/src/source/iceberg/mod.rs
index f38f867e1925b..92880341b588e 100644
--- a/src/connector/src/source/iceberg/mod.rs
+++ b/src/connector/src/source/iceberg/mod.rs
@@ -16,7 +16,8 @@ use std::collections::HashMap;
 
 use anyhow::anyhow;
 use async_trait::async_trait;
-use icelake::types::DataContentType;
+use futures::StreamExt;
+use iceberg::spec::{DataContentType, ManifestList};
 use itertools::Itertools;
 use risingwave_common::bail;
 use risingwave_common::types::JsonbVal;
@@ -171,58 +172,64 @@ impl IcebergSplitEnumerator {
         if batch_parallelism == 0 {
             bail!("Batch parallelism is 0. Cannot split the iceberg files.");
         }
-        let table = self.config.load_table().await?;
+        let table = self.config.load_table_v2().await?;
         let snapshot_id = match time_traval_info {
             Some(IcebergTimeTravelInfo::Version(version)) => {
-                let Some(snapshot) = table.current_table_metadata().snapshot(version) else {
+                let Some(snapshot) = table.metadata().snapshot_by_id(version) else {
                     bail!("Cannot find the snapshot id in the iceberg table.");
                 };
-                snapshot.snapshot_id
+                snapshot.snapshot_id()
             }
             Some(IcebergTimeTravelInfo::TimestampMs(timestamp)) => {
-                match &table.current_table_metadata().snapshots {
-                    Some(snapshots) => {
-                        let snapshot = snapshots
-                            .iter()
-                            .filter(|snapshot| snapshot.timestamp_ms <= timestamp)
-                            .max_by_key(|snapshot| snapshot.timestamp_ms);
-                        match snapshot {
-                            Some(snapshot) => snapshot.snapshot_id,
-                            None => {
-                                // convert unix time to human readable time
-                                let time = chrono::DateTime::from_timestamp_millis(timestamp);
-                                if time.is_some() {
-                                    bail!("Cannot find a snapshot older than {}", time.unwrap());
-                                } else {
-                                    bail!("Cannot find a snapshot");
-                                }
-                            }
-                        }
-                    }
+                let snapshot = table
+                    .metadata()
+                    .snapshots()
+                    .filter(|snapshot| snapshot.timestamp().timestamp_millis() <= timestamp)
+                    .max_by_key(|snapshot| snapshot.timestamp().timestamp_millis());
+                match snapshot {
+                    Some(snapshot) => snapshot.snapshot_id(),
                     None => {
-                        bail!("Cannot find the snapshots in the iceberg table.");
+                        // convert unix time to human readable time
+                        let time = chrono::DateTime::from_timestamp_millis(timestamp);
+                        if time.is_some() {
+                            bail!("Cannot find a snapshot older than {}", time.unwrap());
+                        } else {
+                            bail!("Cannot find a snapshot");
+                        }
                     }
                 }
             }
-            None => match table.current_table_metadata().current_snapshot_id {
-                Some(snapshot_id) => snapshot_id,
+            None => match table.metadata().current_snapshot() {
+                Some(snapshot) => snapshot.snapshot_id(),
                 None => bail!("Cannot find the current snapshot id in the iceberg table."),
             },
         };
         let mut files = vec![];
-        for file in table
-            .data_files_of_snapshot(
-                table
-                    .current_table_metadata()
-                    .snapshot(snapshot_id)
-                    .expect("snapshot must exists"),
-            )
-            .await?
-        {
-            if file.content != DataContentType::Data {
-                bail!("Reading iceberg table with delete files is unsupported. Please try to compact the table first.");
+
+        let snapshot = table
+            .metadata()
+            .snapshot_by_id(snapshot_id)
+            .expect("snapshot must exist");
+
+        let manifest_list: ManifestList = snapshot
+            .load_manifest_list(table.file_io(), table.metadata())
+            .await
+            .map_err(|e| anyhow!(e))?;
+        for entry in manifest_list.entries() {
+            let manifest = entry
+                .load_manifest(table.file_io())
+                .await
+                .map_err(|e| anyhow!(e))?;
+            let mut manifest_entries_stream =
+                futures::stream::iter(manifest.entries().iter().filter(|e| e.is_alive()));
+
+            while let Some(manifest_entry) = manifest_entries_stream.next().await {
+                let file = manifest_entry.data_file();
+                if file.content_type() != DataContentType::Data {
+                    bail!("Reading iceberg table with delete files is unsupported. Please try to compact the table first.");
+                }
+                files.push(file.file_path().to_string());
             }
-            files.push(file.file_path);
         }
         let split_num = batch_parallelism;
         // evenly split the files into splits based on the parallelism.
diff --git a/src/connector/src/source/kafka/enumerator/client.rs b/src/connector/src/source/kafka/enumerator/client.rs
index d4dddad67bfdf..82dfaf11e5d83 100644
--- a/src/connector/src/source/kafka/enumerator/client.rs
+++ b/src/connector/src/source/kafka/enumerator/client.rs
@@ -361,7 +361,7 @@ impl KafkaSplitEnumerator {
         self.context
             .metrics
             .high_watermark
-            .with_label_values(&[
+            .with_guarded_label_values(&[
                 &self.context.info.source_id.to_string(),
                 &partition.to_string(),
             ])
diff --git a/src/connector/src/source/kafka/source/reader.rs b/src/connector/src/source/kafka/source/reader.rs
index c54b0ac27655a..798069ddb12f9 100644
--- a/src/connector/src/source/kafka/source/reader.rs
+++ b/src/connector/src/source/kafka/source/reader.rs
@@ -158,7 +158,7 @@ impl KafkaSplitReader {
         self.source_ctx
             .metrics
             .latest_message_id
-            .with_label_values(&[
+            .with_guarded_label_values(&[
                 // source name is not available here
                 &self.source_ctx.source_id.to_string(),
                 &self.source_ctx.actor_id.to_string(),
diff --git a/src/connector/src/source/monitor/metrics.rs b/src/connector/src/source/monitor/metrics.rs
index bf43ca44212ae..88a2e57ec4ec6 100644
--- a/src/connector/src/source/monitor/metrics.rs
+++ b/src/connector/src/source/monitor/metrics.rs
@@ -14,19 +14,21 @@
 
 use std::sync::{Arc, LazyLock};
 
-use prometheus::core::{AtomicI64, AtomicU64, GenericCounterVec, GenericGaugeVec};
-use prometheus::{
-    exponential_buckets, histogram_opts, register_histogram_vec_with_registry,
-    register_int_counter_vec_with_registry, register_int_gauge_vec_with_registry, HistogramVec,
-    Registry,
+use prometheus::{exponential_buckets, histogram_opts, Registry};
+use risingwave_common::metrics::{
+    LabelGuardedHistogramVec, LabelGuardedIntCounterVec, LabelGuardedIntGaugeVec,
 };
 use risingwave_common::monitor::GLOBAL_METRICS_REGISTRY;
+use risingwave_common::{
+    register_guarded_histogram_vec_with_registry, register_guarded_int_counter_vec_with_registry,
+    register_guarded_int_gauge_vec_with_registry,
+};
 
 use crate::source::kafka::stats::RdKafkaStats;
 
 #[derive(Debug, Clone)]
 pub struct EnumeratorMetrics {
-    pub high_watermark: GenericGaugeVec<AtomicI64>,
+    pub high_watermark: LabelGuardedIntGaugeVec<2>,
 }
 
 pub static GLOBAL_ENUMERATOR_METRICS: LazyLock<EnumeratorMetrics> =
@@ -34,7 +36,7 @@ pub static GLOBAL_ENUMERATOR_METRICS: LazyLock<EnumeratorMetrics> =
 
 impl EnumeratorMetrics {
     fn new(registry: &Registry) -> Self {
-        let high_watermark = register_int_gauge_vec_with_registry!(
+        let high_watermark = register_guarded_int_gauge_vec_with_registry!(
             "source_kafka_high_watermark",
             "High watermark for a exec per partition",
             &["source_id", "partition"],
@@ -57,18 +59,18 @@ impl Default for EnumeratorMetrics {
 
 #[derive(Debug, Clone)]
 pub struct SourceMetrics {
-    pub partition_input_count: GenericCounterVec<AtomicU64>,
+    pub partition_input_count: LabelGuardedIntCounterVec<5>,
 
     // **Note**: for normal messages, the metric is the message's payload size.
     // For messages from load generator, the metric is the size of stream chunk.
-    pub partition_input_bytes: GenericCounterVec<AtomicU64>,
+    pub partition_input_bytes: LabelGuardedIntCounterVec<5>,
     /// Report latest message id
-    pub latest_message_id: GenericGaugeVec<AtomicI64>,
+    pub latest_message_id: LabelGuardedIntGaugeVec<3>,
     pub rdkafka_native_metric: Arc<RdKafkaStats>,
 
-    pub connector_source_rows_received: GenericCounterVec<AtomicU64>,
+    pub connector_source_rows_received: LabelGuardedIntCounterVec<2>,
 
-    pub direct_cdc_event_lag_latency: HistogramVec,
+    pub direct_cdc_event_lag_latency: LabelGuardedHistogramVec<1>,
 }
 
 pub static GLOBAL_SOURCE_METRICS: LazyLock<SourceMetrics> =
@@ -76,7 +78,7 @@ pub static GLOBAL_SOURCE_METRICS: LazyLock<SourceMetrics> =
 
 impl SourceMetrics {
     fn new(registry: &Registry) -> Self {
-        let partition_input_count = register_int_counter_vec_with_registry!(
+        let partition_input_count = register_guarded_int_counter_vec_with_registry!(
             "source_partition_input_count",
             "Total number of rows that have been input from specific partition",
             &[
@@ -89,7 +91,7 @@ impl SourceMetrics {
             registry
         )
         .unwrap();
-        let partition_input_bytes = register_int_counter_vec_with_registry!(
+        let partition_input_bytes = register_guarded_int_counter_vec_with_registry!(
             "source_partition_input_bytes",
             "Total bytes that have been input from specific partition",
             &[
@@ -102,7 +104,7 @@ impl SourceMetrics {
             registry
         )
         .unwrap();
-        let latest_message_id = register_int_gauge_vec_with_registry!(
+        let latest_message_id = register_guarded_int_gauge_vec_with_registry!(
             "source_latest_message_id",
             "Latest message id for a exec per partition",
             &["source_id", "actor_id", "partition"],
@@ -110,7 +112,7 @@ impl SourceMetrics {
         )
         .unwrap();
 
-        let connector_source_rows_received = register_int_counter_vec_with_registry!(
+        let connector_source_rows_received = register_guarded_int_counter_vec_with_registry!(
             "source_rows_received",
             "Number of rows received by source",
             &["source_type", "source_id"],
@@ -124,7 +126,7 @@ impl SourceMetrics {
             exponential_buckets(1.0, 2.0, 21).unwrap(), // max 1048s
         );
         let direct_cdc_event_lag_latency =
-            register_histogram_vec_with_registry!(opts, &["table_name"], registry).unwrap();
+            register_guarded_histogram_vec_with_registry!(opts, &["table_name"], registry).unwrap();
 
         let rdkafka_native_metric = Arc::new(RdKafkaStats::new(registry.clone()));
         SourceMetrics {
diff --git a/src/connector/src/source/nexmark/source/reader.rs b/src/connector/src/source/nexmark/source/reader.rs
index aee7c178d116a..ebcbc0b0aaf32 100644
--- a/src/connector/src/source/nexmark/source/reader.rs
+++ b/src/connector/src/source/nexmark/source/reader.rs
@@ -122,7 +122,7 @@ impl SplitReader for NexmarkSplitReader {
                 .inspect_ok(move |chunk: &StreamChunk| {
                     metrics
                         .partition_input_count
-                        .with_label_values(&[
+                        .with_guarded_label_values(&[
                             &actor_id,
                             &source_id,
                             &split_id,
@@ -132,7 +132,7 @@ impl SplitReader for NexmarkSplitReader {
                         .inc_by(chunk.cardinality() as u64);
                     metrics
                         .partition_input_bytes
-                        .with_label_values(&[
+                        .with_guarded_label_values(&[
                             &actor_id,
                             &source_id,
                             &split_id,
diff --git a/src/connector/src/test_data/union-schema.avsc b/src/connector/src/test_data/union-schema.avsc
deleted file mode 100644
index 4176d8f771f09..0000000000000
--- a/src/connector/src/test_data/union-schema.avsc
+++ /dev/null
@@ -1,88 +0,0 @@
-{
-  "name": "test_student",
-  "type": "record",
-  "fields": [
-    {
-      "name": "id",
-      "type": "int",
-      "default": 0
-    },
-    {
-      "name": "age",
-      "type": ["null", "int"]
-    },
-    {
-      "name": "sequence_id",
-      "type": ["null", "long"]
-    },
-    {
-      "name": "name",
-      "type": ["null", "string"],
-      "default": null
-    },
-    {
-      "name": "score",
-      "type": [ "float", "null" ],
-      "default": 1.0
-    },
-    {
-      "name": "avg_score",
-      "type": ["null", "double"]
-    },
-    {
-      "name": "is_lasted",
-      "type": ["null", "boolean"]
-    },
-    {
-      "name": "entrance_date",
-      "type": [
-        "null",
-        {
-          "type": "int",
-          "logicalType": "date",
-          "arg.properties": {
-            "range": {
-              "min": 1,
-              "max": 19374
-            }
-          }
-        }
-      ],
-      "default": null
-    },
-    {
-      "name": "birthday",
-      "type": [
-        "null",
-          {
-            "type": "long",
-            "logicalType": "timestamp-millis",
-            "arg.properties": {
-              "range": {
-                "min": 1,
-                "max": 1673970376213
-              }
-            }
-          }
-      ],
-      "default": null
-    },
-    {
-      "name": "anniversary",
-      "type": [
-        "null",
-        {
-          "type" : "long",
-          "logicalType": "timestamp-micros",
-          "arg.properties": {
-            "range": {
-              "min": 1,
-              "max": 1673970376213000
-            }
-          }
-        }
-      ],
-      "default": null
-    }
-  ]
-}
\ No newline at end of file
diff --git a/src/ctl/src/cmd_impl/meta/reschedule.rs b/src/ctl/src/cmd_impl/meta/reschedule.rs
index 8d0a45be842fb..982b79e108b6c 100644
--- a/src/ctl/src/cmd_impl/meta/reschedule.rs
+++ b/src/ctl/src/cmd_impl/meta/reschedule.rs
@@ -20,9 +20,8 @@ use inquire::Confirm;
 use itertools::Itertools;
 use regex::{Match, Regex};
 use risingwave_pb::common::WorkerNode;
-use risingwave_pb::meta::get_reschedule_plan_request::PbPolicy;
 use risingwave_pb::meta::table_fragments::ActorStatus;
-use risingwave_pb::meta::{GetClusterInfoResponse, GetReschedulePlanResponse, Reschedule};
+use risingwave_pb::meta::{GetClusterInfoResponse, Reschedule};
 use serde::{Deserialize, Serialize};
 use thiserror_ext::AsReport;
 
@@ -225,16 +224,6 @@ fn parse_plan(mut plan: String) -> Result<HashMap<u32, Reschedule>, Error> {
     Ok(reschedules)
 }
 
-pub async fn get_reschedule_plan(
-    context: &CtlContext,
-    policy: PbPolicy,
-    revision: u64,
-) -> Result<GetReschedulePlanResponse> {
-    let meta_client = context.meta_client().await?;
-    let response = meta_client.get_reschedule_plan(policy, revision).await?;
-    Ok(response)
-}
-
 pub async fn unregister_workers(
     context: &CtlContext,
     workers: Vec<String>,
diff --git a/src/ctl/src/cmd_impl/scale/resize.rs b/src/ctl/src/cmd_impl/scale/resize.rs
index 6b990c7865519..364426e7996eb 100644
--- a/src/ctl/src/cmd_impl/scale/resize.rs
+++ b/src/ctl/src/cmd_impl/scale/resize.rs
@@ -13,22 +13,14 @@
 // limitations under the License.
 
 use std::collections::{HashMap, HashSet};
-use std::ops::Sub;
 use std::process::exit;
 
-use inquire::Confirm;
 use itertools::Itertools;
-use risingwave_pb::meta::get_reschedule_plan_request::{
-    PbPolicy, StableResizePolicy, WorkerChanges,
-};
 use risingwave_pb::meta::update_worker_node_schedulability_request::Schedulability;
-use risingwave_pb::meta::{GetClusterInfoResponse, GetReschedulePlanResponse};
-use risingwave_stream::task::FragmentId;
+use risingwave_pb::meta::GetClusterInfoResponse;
 use thiserror_ext::AsReport;
 
-use crate::cmd_impl::meta::ReschedulePayload;
 use crate::common::CtlContext;
-use crate::{ScaleCommon, ScaleHorizonCommands, ScaleVerticalCommands};
 
 macro_rules! fail {
     ($($arg:tt)*) => {{
@@ -37,350 +29,6 @@ macro_rules! fail {
     }};
 }
 
-impl From<ScaleHorizonCommands> for ScaleCommandContext {
-    fn from(value: ScaleHorizonCommands) -> Self {
-        let ScaleHorizonCommands {
-            exclude_workers,
-            include_workers,
-            target_parallelism,
-            common:
-                ScaleCommon {
-                    generate,
-                    output,
-                    yes,
-                    fragments,
-                },
-        } = value;
-
-        Self {
-            exclude_workers,
-            include_workers,
-            target_parallelism,
-            generate,
-            output,
-            yes,
-            fragments,
-            target_parallelism_per_worker: None,
-            exclusive_for_vertical: false,
-        }
-    }
-}
-
-impl From<ScaleVerticalCommands> for ScaleCommandContext {
-    fn from(value: ScaleVerticalCommands) -> Self {
-        let ScaleVerticalCommands {
-            workers,
-            target_parallelism_per_worker,
-            common:
-                ScaleCommon {
-                    generate,
-                    output,
-                    yes,
-                    fragments,
-                },
-            exclusive,
-        } = value;
-
-        Self {
-            exclude_workers: None,
-            include_workers: workers,
-            target_parallelism: None,
-            generate,
-            output,
-            yes,
-            fragments,
-            target_parallelism_per_worker,
-            exclusive_for_vertical: exclusive,
-        }
-    }
-}
-
-pub struct ScaleCommandContext {
-    exclude_workers: Option<Vec<String>>,
-    include_workers: Option<Vec<String>>,
-    target_parallelism: Option<u32>,
-    generate: bool,
-    output: Option<String>,
-    yes: bool,
-    fragments: Option<Vec<u32>>,
-    target_parallelism_per_worker: Option<u32>,
-    exclusive_for_vertical: bool,
-}
-
-pub async fn resize(ctl_ctx: &CtlContext, scale_ctx: ScaleCommandContext) -> anyhow::Result<()> {
-    let meta_client = ctl_ctx.meta_client().await?;
-
-    let GetClusterInfoResponse {
-        worker_nodes,
-        table_fragments,
-        actor_splits: _actor_splits,
-        source_infos: _source_infos,
-        revision,
-    } = match meta_client.get_cluster_info().await {
-        Ok(resp) => resp,
-        Err(e) => {
-            fail!("Failed to fetch cluster info: {}", e.as_report());
-        }
-    };
-
-    if worker_nodes.is_empty() {
-        println!("No worker nodes found");
-        return Ok(());
-    }
-
-    if table_fragments.is_empty() {
-        println!("No tables found");
-        return Ok(());
-    }
-
-    println!("Cluster info fetched, revision: {}", revision);
-    println!("Worker nodes: {}", worker_nodes.len());
-
-    let streaming_workers_index_by_id = worker_nodes
-        .into_iter()
-        .filter(|worker| {
-            worker
-                .property
-                .as_ref()
-                .map(|property| property.is_streaming)
-                .unwrap_or(false)
-        })
-        .map(|worker| (worker.id, worker))
-        .collect::<HashMap<_, _>>();
-
-    let streaming_workers_index_by_host = streaming_workers_index_by_id
-        .values()
-        .map(|worker| {
-            let host = worker.get_host().expect("worker host must be set");
-            (format!("{}:{}", host.host, host.port), worker.clone())
-        })
-        .collect::<HashMap<_, _>>();
-
-    let worker_input_to_worker_ids = |inputs: Vec<String>, support_all: bool| -> Vec<u32> {
-        let mut result: HashSet<_> = HashSet::new();
-
-        if inputs.len() == 1 && inputs[0].to_lowercase() == "all" && support_all {
-            return streaming_workers_index_by_id.keys().cloned().collect();
-        }
-
-        for input in inputs {
-            let worker_id = input.parse::<u32>().ok().or_else(|| {
-                streaming_workers_index_by_host
-                    .get(&input)
-                    .map(|worker| worker.id)
-            });
-
-            if let Some(worker_id) = worker_id {
-                if !result.insert(worker_id) {
-                    println!("warn: {} and {} are the same worker", input, worker_id);
-                }
-            } else {
-                fail!("Invalid worker input: {}", input);
-            }
-        }
-
-        result.into_iter().collect()
-    };
-
-    println!(
-        "Streaming workers found: {}",
-        streaming_workers_index_by_id.len()
-    );
-
-    let ScaleCommandContext {
-        exclude_workers,
-        include_workers,
-        target_parallelism,
-        target_parallelism_per_worker,
-        generate,
-        output,
-        yes,
-        fragments,
-        exclusive_for_vertical,
-    } = scale_ctx;
-
-    let worker_changes = {
-        let mut exclude_worker_ids =
-            worker_input_to_worker_ids(exclude_workers.unwrap_or_default(), false);
-        let include_worker_ids =
-            worker_input_to_worker_ids(include_workers.unwrap_or_default(), true);
-
-        match (target_parallelism, target_parallelism_per_worker) {
-            (Some(_), Some(_)) => {
-                fail!("Cannot specify both target parallelism and target parallelism per worker")
-            }
-            (_, Some(_)) if include_worker_ids.is_empty() => {
-                fail!("Cannot specify target parallelism per worker without including any worker")
-            }
-            (Some(0), _) => fail!("Target parallelism must be greater than 0"),
-            _ => {}
-        }
-
-        for worker_id in exclude_worker_ids.iter().chain(include_worker_ids.iter()) {
-            if !streaming_workers_index_by_id.contains_key(worker_id) {
-                fail!("Invalid worker id: {}", worker_id);
-            }
-        }
-
-        for include_worker_id in &include_worker_ids {
-            let worker_is_unschedulable = streaming_workers_index_by_id
-                .get(include_worker_id)
-                .and_then(|worker| worker.property.as_ref())
-                .map(|property| property.is_unschedulable)
-                .unwrap_or(false);
-
-            if worker_is_unschedulable {
-                fail!(
-                    "Worker {} is unschedulable, should not be included",
-                    include_worker_id
-                );
-            }
-        }
-
-        if exclusive_for_vertical {
-            let all_worker_ids: HashSet<_> =
-                streaming_workers_index_by_id.keys().cloned().collect();
-
-            let include_worker_id_set: HashSet<_> = include_worker_ids.iter().cloned().collect();
-            let generated_exclude_worker_ids = all_worker_ids.sub(&include_worker_id_set);
-
-            exclude_worker_ids = exclude_worker_ids
-                .into_iter()
-                .chain(generated_exclude_worker_ids)
-                .unique()
-                .collect();
-        }
-
-        WorkerChanges {
-            include_worker_ids,
-            exclude_worker_ids,
-            target_parallelism,
-            target_parallelism_per_worker,
-        }
-    };
-
-    let all_fragment_ids: HashSet<_> = table_fragments
-        .iter()
-        .flat_map(|table_fragments| table_fragments.fragments.keys().cloned())
-        .collect();
-
-    let target_fragment_ids = match fragments {
-        None => all_fragment_ids.into_iter().collect_vec(),
-        Some(fragment_ids) => {
-            let provide_fragment_ids: HashSet<_> = fragment_ids.into_iter().collect();
-            if provide_fragment_ids
-                .iter()
-                .any(|fragment_id| !all_fragment_ids.contains(fragment_id))
-            {
-                fail!(
-                    "Invalid fragment ids: {:?}",
-                    provide_fragment_ids
-                        .difference(&all_fragment_ids)
-                        .collect_vec()
-                );
-            }
-
-            provide_fragment_ids.into_iter().collect()
-        }
-    };
-
-    let policy = PbPolicy::StableResizePolicy(StableResizePolicy {
-        fragment_worker_changes: target_fragment_ids
-            .iter()
-            .map(|id| (*id as FragmentId, worker_changes.clone()))
-            .collect(),
-    });
-
-    let response = meta_client.get_reschedule_plan(policy, revision).await;
-
-    let GetReschedulePlanResponse {
-        revision,
-        reschedules,
-        success,
-    } = match response {
-        Ok(response) => response,
-        Err(e) => {
-            fail!("Failed to generate plan: {}", e.as_report());
-        }
-    };
-
-    if !success {
-        fail!("Failed to generate plan, current revision is {}", revision);
-    }
-
-    if reschedules.is_empty() {
-        println!(
-            "No reschedule plan generated, no action required, current revision is {}",
-            revision
-        );
-        return Ok(());
-    }
-
-    println!(
-        "Successfully generated plan, current revision is {}",
-        revision
-    );
-
-    if generate {
-        let payload = ReschedulePayload {
-            reschedule_revision: revision,
-            reschedule_plan: reschedules
-                .into_iter()
-                .map(|(fragment_id, reschedule)| (fragment_id, reschedule.into()))
-                .collect(),
-        };
-
-        if let Some(output) = output.as_ref() {
-            println!("Writing plan to file: {}", output);
-            let writer = std::fs::File::create(output)?;
-            serde_yaml::to_writer(writer, &payload)?;
-            println!("Writing plan to file: {} done", output);
-            println!("You can use the `risectl meta reschedule --from {}` command to execute the generated plan", output);
-        } else {
-            println!("Option `--output` is not provided, the result plan will be output to the current command line.");
-            println!("#=========== Payload ==============#");
-            serde_yaml::to_writer(std::io::stdout(), &payload)?;
-            println!("#=========== Payload ==============#");
-        }
-    } else {
-        if !yes {
-            match Confirm::new("Will perform actions on the cluster, are you sure?")
-                .with_default(false)
-                .with_help_message("Use the --generate flag to view the generated plan. Use the --yes or -y option to skip this prompt")
-                .with_placeholder("no")
-                .prompt()
-            {
-                Ok(true) => println!("Processing..."),
-                Ok(false) => {
-                    fail!("Abort.");
-                }
-                Err(_) => {
-                    fail!("Error with questionnaire, try again later");
-                }
-            }
-        }
-
-        let (success, next_revision) =
-            match meta_client.reschedule(reschedules, revision, false).await {
-                Ok(response) => response,
-                Err(e) => {
-                    fail!("Failed to execute plan: {}", e.as_report());
-                }
-            };
-
-        if !success {
-            fail!("Failed to execute plan, current revision is {}", revision);
-        }
-
-        println!(
-            "Successfully executed plan, current revision is {}",
-            next_revision
-        );
-    }
-
-    Ok(())
-}
-
 pub async fn update_schedulability(
     context: &CtlContext,
     workers: Vec<String>,
diff --git a/src/ctl/src/common/context.rs b/src/ctl/src/common/context.rs
index ea4dfe07ada6a..2665a482a1074 100644
--- a/src/ctl/src/common/context.rs
+++ b/src/ctl/src/common/context.rs
@@ -15,7 +15,6 @@
 use risingwave_rpc_client::MetaClient;
 use risingwave_storage::hummock::HummockStorage;
 use risingwave_storage::monitor::MonitoredStateStore;
-use thiserror_ext::AsReport;
 use tokio::sync::OnceCell;
 
 use crate::common::hummock_service::{HummockServiceOpts, Metrics};
@@ -61,19 +60,10 @@ impl CtlContext {
             .cloned()
     }
 
-    pub async fn try_close(mut self) {
+    pub async fn try_close(&self) {
         tracing::info!("clean up context");
-        if let Some(meta_client) = self.meta_client.take() {
-            if let Err(e) = meta_client
-                .unregister(meta_client.host_addr().clone())
-                .await
-            {
-                tracing::warn!(
-                    error = %e.as_report(),
-                    worker_id = %meta_client.worker_id(),
-                    "failed to unregister ctl worker",
-                );
-            }
+        if let Some(meta_client) = self.meta_client.get() {
+            meta_client.try_unregister().await;
         }
     }
 }
diff --git a/src/ctl/src/lib.rs b/src/ctl/src/lib.rs
index 68598e3f9db59..bbd25a8612a23 100644
--- a/src/ctl/src/lib.rs
+++ b/src/ctl/src/lib.rs
@@ -20,6 +20,7 @@ use clap::{Args, Parser, Subcommand};
 use cmd_impl::bench::BenchCommands;
 use cmd_impl::hummock::SstDumpArgs;
 use itertools::Itertools;
+use risingwave_common::util::tokio_util::sync::CancellationToken;
 use risingwave_hummock_sdk::HummockEpoch;
 use risingwave_meta::backup_restore::RestoreOpts;
 use risingwave_pb::hummock::rise_ctl_update_compaction_config_request::CompressionAlgorithm;
@@ -362,92 +363,8 @@ enum TableCommands {
     List,
 }
 
-#[derive(clap::Args, Debug, Clone)]
-pub struct ScaleHorizonCommands {
-    /// The worker that needs to be excluded during scheduling, `worker_id` and `worker_host:worker_port` are both
-    /// supported
-    #[clap(
-        long,
-        value_delimiter = ',',
-        value_name = "worker_id or worker_host:worker_port, ..."
-    )]
-    exclude_workers: Option<Vec<String>>,
-
-    /// The worker that needs to be included during scheduling, `worker_id` and `worker_host:worker_port` are both
-    /// supported
-    #[clap(
-        long,
-        value_delimiter = ',',
-        value_name = "all or worker_id or worker_host:worker_port, ..."
-    )]
-    include_workers: Option<Vec<String>>,
-
-    /// The target parallelism, currently, it is used to limit the target parallelism and only
-    /// takes effect when the actual parallelism exceeds this value. Can be used in conjunction
-    /// with `exclude/include_workers`.
-    #[clap(long)]
-    target_parallelism: Option<u32>,
-
-    #[command(flatten)]
-    common: ScaleCommon,
-}
-
-#[derive(clap::Args, Debug, Clone)]
-pub struct ScaleCommon {
-    /// Will generate a plan supported by the `reschedule` command and save it to the provided path
-    /// by the `--output`.
-    #[clap(long, default_value_t = false)]
-    generate: bool,
-
-    /// The output file to write the generated plan to, standard output by default
-    #[clap(long)]
-    output: Option<String>,
-
-    /// Automatic yes to prompts
-    #[clap(short = 'y', long, default_value_t = false)]
-    yes: bool,
-
-    /// Specify the fragment ids that need to be scheduled.
-    /// empty by default, which means all fragments will be scheduled
-    #[clap(long, value_delimiter = ',')]
-    fragments: Option<Vec<u32>>,
-}
-
-#[derive(clap::Args, Debug, Clone)]
-pub struct ScaleVerticalCommands {
-    #[command(flatten)]
-    common: ScaleCommon,
-
-    /// The worker that needs to be scheduled, `worker_id` and `worker_host:worker_port` are both
-    /// supported
-    #[clap(
-        long,
-        required = true,
-        value_delimiter = ',',
-        value_name = "all or worker_id or worker_host:worker_port, ..."
-    )]
-    workers: Option<Vec<String>>,
-
-    /// The target parallelism per worker, requires `workers` to be set.
-    #[clap(long, required = true)]
-    target_parallelism_per_worker: Option<u32>,
-
-    /// It will exclude all other workers to maintain the target parallelism only for the target workers.
-    #[clap(long, default_value_t = false)]
-    exclusive: bool,
-}
-
 #[derive(Subcommand, Debug)]
 enum ScaleCommands {
-    /// Scale the compute nodes horizontally, alias of `horizon`
-    Resize(ScaleHorizonCommands),
-
-    /// Scale the compute nodes horizontally
-    Horizon(ScaleHorizonCommands),
-
-    /// Scale the compute nodes vertically
-    Vertical(ScaleVerticalCommands),
-
     /// Mark a compute node as unschedulable
     #[clap(verbatim_doc_comment)]
     Cordon {
@@ -623,22 +540,33 @@ pub enum ProfileCommands {
 }
 
 /// Start `risectl` with the given options.
+/// Cancel the operation when the given `shutdown` token triggers.
 /// Log and abort the process if any error occurs.
 ///
 /// Note: use [`start_fallible`] if you want to call functionalities of `risectl`
 /// in an embedded manner.
-pub async fn start(opts: CliOpts) {
-    if let Err(e) = start_fallible(opts).await {
-        eprintln!("Error: {:#?}", e.as_report()); // pretty with backtrace
-        std::process::exit(1);
+pub async fn start(opts: CliOpts, shutdown: CancellationToken) {
+    let context = CtlContext::default();
+
+    tokio::select! {
+        _ = shutdown.cancelled() => {
+            // Shutdown requested, clean up the context and return.
+            context.try_close().await;
+        }
+
+        result = start_fallible(opts, &context) => {
+            if let Err(e) = result {
+                eprintln!("Error: {:#?}", e.as_report()); // pretty with backtrace
+                std::process::exit(1);
+            }
+        }
     }
 }
 
 /// Start `risectl` with the given options.
 /// Return `Err` if any error occurs.
-pub async fn start_fallible(opts: CliOpts) -> Result<()> {
-    let context = CtlContext::default();
-    let result = start_impl(opts, &context).await;
+pub async fn start_fallible(opts: CliOpts, context: &CtlContext) -> Result<()> {
+    let result = start_impl(opts, context).await;
     context.try_close().await;
     result
 }
@@ -942,13 +870,6 @@ async fn start_impl(opts: CliOpts, context: &CtlContext) -> Result<()> {
         Commands::Profile(ProfileCommands::Heap { dir }) => {
             cmd_impl::profile::heap_profile(context, dir).await?
         }
-        Commands::Scale(ScaleCommands::Horizon(resize))
-        | Commands::Scale(ScaleCommands::Resize(resize)) => {
-            cmd_impl::scale::resize(context, resize.into()).await?
-        }
-        Commands::Scale(ScaleCommands::Vertical(resize)) => {
-            cmd_impl::scale::resize(context, resize.into()).await?
-        }
         Commands::Scale(ScaleCommands::Cordon { workers }) => {
             cmd_impl::scale::update_schedulability(context, workers, Schedulability::Unschedulable)
                 .await?
diff --git a/src/expr/core/src/aggregate/user_defined.rs b/src/expr/core/src/aggregate/user_defined.rs
index 067063c22f4a2..d554a618a1c76 100644
--- a/src/expr/core/src/aggregate/user_defined.rs
+++ b/src/expr/core/src/aggregate/user_defined.rs
@@ -19,7 +19,7 @@ use arrow_array::ArrayRef;
 use arrow_schema::{Field, Fields, Schema, SchemaRef};
 use risingwave_common::array::arrow::{FromArrow, ToArrow, UdfArrowConvert};
 use risingwave_common::array::Op;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 
 use super::*;
 use crate::sig::{UdfImpl, UdfKind, UdfOptions};
diff --git a/src/expr/impl/src/scalar/cmp.rs b/src/expr/impl/src/scalar/cmp.rs
index 02c1662f18025..20c0afc307e74 100644
--- a/src/expr/impl/src/scalar/cmp.rs
+++ b/src/expr/impl/src/scalar/cmp.rs
@@ -15,7 +15,7 @@
 use std::fmt::Debug;
 
 use risingwave_common::array::{Array, BoolArray};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::row::Row;
 use risingwave_common::types::{Scalar, ScalarRef, ScalarRefImpl};
 use risingwave_expr::function;
diff --git a/src/expr/macro/src/gen.rs b/src/expr/macro/src/gen.rs
index 8bf39c17e763b..3494f52406193 100644
--- a/src/expr/macro/src/gen.rs
+++ b/src/expr/macro/src/gen.rs
@@ -561,7 +561,7 @@ impl FunctionAttr {
                 use std::sync::Arc;
                 use risingwave_common::array::*;
                 use risingwave_common::types::*;
-                use risingwave_common::buffer::Bitmap;
+                use risingwave_common::bitmap::Bitmap;
                 use risingwave_common::row::OwnedRow;
                 use risingwave_common::util::iter_util::ZipEqFast;
 
@@ -914,7 +914,7 @@ impl FunctionAttr {
                 use risingwave_common::array::*;
                 use risingwave_common::types::*;
                 use risingwave_common::bail;
-                use risingwave_common::buffer::Bitmap;
+                use risingwave_common::bitmap::Bitmap;
                 use risingwave_common_estimate_size::EstimateSize;
 
                 use risingwave_expr::expr::Context;
@@ -1195,7 +1195,7 @@ impl FunctionAttr {
             |return_type, chunk_size, children| {
                 use risingwave_common::array::*;
                 use risingwave_common::types::*;
-                use risingwave_common::buffer::Bitmap;
+                use risingwave_common::bitmap::Bitmap;
                 use risingwave_common::util::iter_util::ZipEqFast;
                 use risingwave_expr::expr::{BoxedExpression, Context};
                 use risingwave_expr::{Result, ExprError};
diff --git a/src/frontend/Cargo.toml b/src/frontend/Cargo.toml
index a59ce2e55f678..418ab86e43075 100644
--- a/src/frontend/Cargo.toml
+++ b/src/frontend/Cargo.toml
@@ -38,6 +38,7 @@ fixedbitset = "0.5"
 futures = { version = "0.3", default-features = false, features = ["alloc"] }
 futures-async-stream = { workspace = true }
 iana-time-zone = "0.1"
+iceberg = { workspace = true }
 icelake = { workspace = true }
 itertools = { workspace = true }
 jsonbb = { workspace = true }
diff --git a/src/frontend/planner_test/tests/testdata/output/subquery.yaml b/src/frontend/planner_test/tests/testdata/output/subquery.yaml
index e113a0aca4d1d..98a0fcbf8fdd3 100644
--- a/src/frontend/planner_test/tests/testdata/output/subquery.yaml
+++ b/src/frontend/planner_test/tests/testdata/output/subquery.yaml
@@ -237,7 +237,7 @@
         │       │ │ │ │ ├─LogicalUnion { all: true }
         │       │ │ │ │ │ ├─LogicalUnion { all: true }
         │       │ │ │ │ │ │ ├─LogicalProject { exprs: [rw_tables.id, rw_tables.name, 'table':Varchar, rw_tables.schema_id, rw_tables.owner, rw_tables.definition, rw_tables.acl] }
-        │       │ │ │ │ │ │ │ └─LogicalSysScan { table: rw_tables, columns: [rw_tables.id, rw_tables.name, rw_tables.schema_id, rw_tables.owner, rw_tables.definition, rw_tables.acl, rw_tables.initialized_at, rw_tables.created_at, rw_tables.initialized_at_cluster_version, rw_tables.created_at_cluster_version] }
+        │       │ │ │ │ │ │ │ └─LogicalSysScan { table: rw_tables, columns: [rw_tables.id, rw_tables.name, rw_tables.schema_id, rw_tables.owner, rw_tables.definition, rw_tables.append_only, rw_tables.acl, rw_tables.initialized_at, rw_tables.created_at, rw_tables.initialized_at_cluster_version, rw_tables.created_at_cluster_version] }
         │       │ │ │ │ │ │ └─LogicalProject { exprs: [rw_system_tables.id, rw_system_tables.name, 'system table':Varchar, rw_system_tables.schema_id, rw_system_tables.owner, rw_system_tables.definition, rw_system_tables.acl] }
         │       │ │ │ │ │ │   └─LogicalSysScan { table: rw_system_tables, columns: [rw_system_tables.id, rw_system_tables.name, rw_system_tables.schema_id, rw_system_tables.owner, rw_system_tables.definition, rw_system_tables.acl] }
         │       │ │ │ │ │ └─LogicalProject { exprs: [rw_sources.id, rw_sources.name, 'source':Varchar, rw_sources.schema_id, rw_sources.owner, rw_sources.definition, rw_sources.acl] }
@@ -249,7 +249,7 @@
         │       │ │ └─LogicalProject { exprs: [rw_subscriptions.id, rw_subscriptions.name, 'subscription':Varchar, rw_subscriptions.schema_id, rw_subscriptions.owner, rw_subscriptions.definition, rw_subscriptions.acl] }
         │       │ │   └─LogicalSysScan { table: rw_subscriptions, columns: [rw_subscriptions.id, rw_subscriptions.name, rw_subscriptions.schema_id, rw_subscriptions.owner, rw_subscriptions.definition, rw_subscriptions.acl, rw_subscriptions.initialized_at, rw_subscriptions.created_at, rw_subscriptions.initialized_at_cluster_version, rw_subscriptions.created_at_cluster_version] }
         │       │ └─LogicalProject { exprs: [rw_materialized_views.id, rw_materialized_views.name, 'materialized view':Varchar, rw_materialized_views.schema_id, rw_materialized_views.owner, rw_materialized_views.definition, rw_materialized_views.acl] }
-        │       │   └─LogicalSysScan { table: rw_materialized_views, columns: [rw_materialized_views.id, rw_materialized_views.name, rw_materialized_views.schema_id, rw_materialized_views.owner, rw_materialized_views.definition, rw_materialized_views.acl, rw_materialized_views.initialized_at, rw_materialized_views.created_at, rw_materialized_views.initialized_at_cluster_version, rw_materialized_views.created_at_cluster_version] }
+        │       │   └─LogicalSysScan { table: rw_materialized_views, columns: [rw_materialized_views.id, rw_materialized_views.name, rw_materialized_views.schema_id, rw_materialized_views.owner, rw_materialized_views.definition, rw_materialized_views.append_only, rw_materialized_views.acl, rw_materialized_views.initialized_at, rw_materialized_views.created_at, rw_materialized_views.initialized_at_cluster_version, rw_materialized_views.created_at_cluster_version] }
         │       └─LogicalProject { exprs: [rw_views.id, rw_views.name, 'view':Varchar, rw_views.schema_id, rw_views.owner, rw_views.definition, rw_views.acl] }
         │         └─LogicalSysScan { table: rw_views, columns: [rw_views.id, rw_views.name, rw_views.schema_id, rw_views.owner, rw_views.definition, rw_views.acl] }
         └─LogicalShare { id: 20 }
diff --git a/src/frontend/src/catalog/catalog_service.rs b/src/frontend/src/catalog/catalog_service.rs
index f2bcdd2b62e12..5f42d1e73e5bb 100644
--- a/src/frontend/src/catalog/catalog_service.rs
+++ b/src/frontend/src/catalog/catalog_service.rs
@@ -26,7 +26,7 @@ use risingwave_pb::catalog::{
 use risingwave_pb::ddl_service::alter_owner_request::Object;
 use risingwave_pb::ddl_service::{
     alter_name_request, alter_set_schema_request, create_connection_request, PbReplaceTablePlan,
-    PbTableJobType, ReplaceTablePlan,
+    PbTableJobType, ReplaceTablePlan, TableJobType,
 };
 use risingwave_pb::meta::PbTableParallelism;
 use risingwave_pb::stream_plan::StreamFragmentGraph;
@@ -92,6 +92,7 @@ pub trait CatalogWriter: Send + Sync {
         table: PbTable,
         graph: StreamFragmentGraph,
         mapping: ColIndexMapping,
+        job_type: TableJobType,
     ) -> Result<()>;
 
     async fn alter_source_column(&self, source: PbSource) -> Result<()>;
@@ -212,13 +213,6 @@ pub trait CatalogWriter: Send + Sync {
         object: alter_set_schema_request::Object,
         new_schema_id: u32,
     ) -> Result<()>;
-
-    async fn list_change_log_epochs(
-        &self,
-        table_id: u32,
-        min_epoch: u64,
-        max_count: u32,
-    ) -> Result<Vec<u64>>;
 }
 
 #[derive(Clone)]
@@ -316,10 +310,11 @@ impl CatalogWriter for CatalogWriterImpl {
         table: PbTable,
         graph: StreamFragmentGraph,
         mapping: ColIndexMapping,
+        job_type: TableJobType,
     ) -> Result<()> {
         let version = self
             .meta_client
-            .replace_table(source, table, graph, mapping)
+            .replace_table(source, table, graph, mapping, job_type)
             .await?;
         self.wait_version(version).await
     }
@@ -596,18 +591,6 @@ impl CatalogWriter for CatalogWriterImpl {
 
         Ok(())
     }
-
-    async fn list_change_log_epochs(
-        &self,
-        table_id: u32,
-        min_epoch: u64,
-        max_count: u32,
-    ) -> Result<Vec<u64>> {
-        Ok(self
-            .meta_client
-            .list_change_log_epochs(table_id, min_epoch, max_count)
-            .await?)
-    }
 }
 
 impl CatalogWriterImpl {
diff --git a/src/frontend/src/catalog/system_catalog/rw_catalog/rw_iceberg_files.rs b/src/frontend/src/catalog/system_catalog/rw_catalog/rw_iceberg_files.rs
index 2bb7648920895..aaeb8aaa064c9 100644
--- a/src/frontend/src/catalog/system_catalog/rw_catalog/rw_iceberg_files.rs
+++ b/src/frontend/src/catalog/system_catalog/rw_catalog/rw_iceberg_files.rs
@@ -15,7 +15,9 @@
 use std::ops::Deref;
 
 use anyhow::anyhow;
-use icelake::Table;
+use futures::StreamExt;
+use iceberg::spec::ManifestList;
+use iceberg::table::Table;
 use risingwave_common::types::Fields;
 use risingwave_connector::sink::iceberg::IcebergConfig;
 use risingwave_connector::source::ConnectorProperties;
@@ -46,7 +48,7 @@ struct RwIcebergFiles {
     /// Required when content is `EqualityDeletes` and should be null
     /// otherwise. Fields with ids listed in this column must be present
     /// in the delete file
-    pub equality_ids: Option<Vec<i32>>,
+    pub equality_ids: Vec<i32>,
     /// ID representing sort order for this file.
     ///
     /// If sort order ID is missing or unknown, then the order is assumed to
@@ -81,26 +83,37 @@ async fn read(reader: &SysCatalogReaderImpl) -> Result<Vec<RwIcebergFiles>> {
         let config = ConnectorProperties::extract(source_props, false)?;
         if let ConnectorProperties::Iceberg(iceberg_properties) = config {
             let iceberg_config: IcebergConfig = iceberg_properties.to_iceberg_config();
-            let table: Table = iceberg_config.load_table().await?;
-            result.extend(
-                table
-                    .current_data_files()
+            let table: Table = iceberg_config.load_table_v2().await?;
+            if let Some(snapshot) = table.metadata().current_snapshot() {
+                let manifest_list: ManifestList = snapshot
+                    .load_manifest_list(table.file_io(), table.metadata())
                     .await
-                    .map_err(|e| anyhow!(e))?
-                    .iter()
-                    .map(|file| RwIcebergFiles {
-                        source_id: source.id as i32,
-                        schema_name: schema_name.clone(),
-                        source_name: source.name.clone(),
-                        content: file.content as i32,
-                        file_path: file.file_path.clone(),
-                        file_format: file.file_format.to_string(),
-                        record_count: file.record_count,
-                        file_size_in_bytes: file.file_size_in_bytes,
-                        equality_ids: file.equality_ids.clone(),
-                        sort_order_id: file.sort_order_id,
-                    }),
-            );
+                    .map_err(|e| anyhow!(e))?;
+                for entry in manifest_list.entries() {
+                    let manifest = entry
+                        .load_manifest(table.file_io())
+                        .await
+                        .map_err(|e| anyhow!(e))?;
+                    let mut manifest_entries_stream =
+                        futures::stream::iter(manifest.entries().iter().filter(|e| e.is_alive()));
+
+                    while let Some(manifest_entry) = manifest_entries_stream.next().await {
+                        let file = manifest_entry.data_file();
+                        result.push(RwIcebergFiles {
+                            source_id: source.id as i32,
+                            schema_name: schema_name.clone(),
+                            source_name: source.name.clone(),
+                            content: file.content_type() as i32,
+                            file_path: file.file_path().to_string(),
+                            file_format: file.file_format().to_string(),
+                            record_count: file.record_count() as i64,
+                            file_size_in_bytes: file.file_size_in_bytes() as i64,
+                            equality_ids: file.equality_ids().to_vec(),
+                            sort_order_id: file.sort_order_id(),
+                        });
+                    }
+                }
+            }
         } else {
             unreachable!()
         }
diff --git a/src/frontend/src/catalog/system_catalog/rw_catalog/rw_iceberg_snapshots.rs b/src/frontend/src/catalog/system_catalog/rw_catalog/rw_iceberg_snapshots.rs
index 6e32f48eec844..d7491cfeb0caf 100644
--- a/src/frontend/src/catalog/system_catalog/rw_catalog/rw_iceberg_snapshots.rs
+++ b/src/frontend/src/catalog/system_catalog/rw_catalog/rw_iceberg_snapshots.rs
@@ -14,7 +14,7 @@
 
 use std::ops::Deref;
 
-use icelake::Table;
+use iceberg::table::Table;
 use jsonbb::{Value, ValueRef};
 use risingwave_common::types::{Fields, JsonbVal, Timestamptz};
 use risingwave_connector::sink::iceberg::IcebergConfig;
@@ -61,27 +61,27 @@ async fn read(reader: &SysCatalogReaderImpl) -> Result<Vec<RwIcebergSnapshots>>
         let config = ConnectorProperties::extract(source_props, false)?;
         if let ConnectorProperties::Iceberg(iceberg_properties) = config {
             let iceberg_config: IcebergConfig = iceberg_properties.to_iceberg_config();
-            let table: Table = iceberg_config.load_table().await?;
-            if let Some(snapshots) = &table.current_table_metadata().snapshots {
-                result.extend(snapshots.iter().map(|snapshot| {
-                    RwIcebergSnapshots {
-                        source_id: source.id as i32,
-                        schema_name: schema_name.clone(),
-                        source_name: source.name.clone(),
-                        sequence_number: snapshot.sequence_number,
-                        snapshot_id: snapshot.snapshot_id,
-                        timestamp_ms: Timestamptz::from_millis(snapshot.timestamp_ms),
-                        manifest_list: snapshot.manifest_list.clone(),
-                        summary: Value::object(
-                            snapshot
-                                .summary
-                                .iter()
-                                .map(|(k, v)| (k.as_str(), ValueRef::String(v))),
-                        )
-                        .into(),
-                    }
-                }));
-            }
+            let table: Table = iceberg_config.load_table_v2().await?;
+
+            result.extend(table.metadata().snapshots().map(|snapshot| {
+                RwIcebergSnapshots {
+                    source_id: source.id as i32,
+                    schema_name: schema_name.clone(),
+                    source_name: source.name.clone(),
+                    sequence_number: snapshot.sequence_number(),
+                    snapshot_id: snapshot.snapshot_id(),
+                    timestamp_ms: Timestamptz::from_millis(snapshot.timestamp().timestamp_millis()),
+                    manifest_list: snapshot.manifest_list().to_string(),
+                    summary: Value::object(
+                        snapshot
+                            .summary()
+                            .other
+                            .iter()
+                            .map(|(k, v)| (k.as_str(), ValueRef::String(v))),
+                    )
+                    .into(),
+                }
+            }));
         }
     }
     Ok(result)
diff --git a/src/frontend/src/catalog/system_catalog/rw_catalog/rw_materialized_views.rs b/src/frontend/src/catalog/system_catalog/rw_catalog/rw_materialized_views.rs
index 95b469debc2a0..c593b35b18f87 100644
--- a/src/frontend/src/catalog/system_catalog/rw_catalog/rw_materialized_views.rs
+++ b/src/frontend/src/catalog/system_catalog/rw_catalog/rw_materialized_views.rs
@@ -27,6 +27,7 @@ struct RwMaterializedView {
     schema_id: i32,
     owner: i32,
     definition: String,
+    append_only: bool,
     acl: String,
     initialized_at: Option<Timestamptz>,
     created_at: Option<Timestamptz>,
@@ -50,6 +51,7 @@ fn read_rw_materialized_views(reader: &SysCatalogReaderImpl) -> Result<Vec<RwMat
                 schema_id: schema.id() as i32,
                 owner: table.owner as i32,
                 definition: table.create_sql(),
+                append_only: table.append_only,
                 acl: get_acl_items(
                     &Object::TableId(table.id.table_id),
                     true,
diff --git a/src/frontend/src/catalog/system_catalog/rw_catalog/rw_tables.rs b/src/frontend/src/catalog/system_catalog/rw_catalog/rw_tables.rs
index d86690eddfe16..78416c97b71af 100644
--- a/src/frontend/src/catalog/system_catalog/rw_catalog/rw_tables.rs
+++ b/src/frontend/src/catalog/system_catalog/rw_catalog/rw_tables.rs
@@ -27,6 +27,7 @@ struct RwTable {
     schema_id: i32,
     owner: i32,
     definition: String,
+    append_only: bool,
     acl: String,
     initialized_at: Option<Timestamptz>,
     created_at: Option<Timestamptz>,
@@ -50,6 +51,7 @@ fn read_rw_table_info(reader: &SysCatalogReaderImpl) -> Result<Vec<RwTable>> {
                 schema_id: schema.id() as i32,
                 owner: table.owner as i32,
                 definition: table.create_sql(),
+                append_only: table.append_only,
                 acl: get_acl_items(
                     &Object::TableId(table.id.table_id),
                     false,
diff --git a/src/frontend/src/catalog/system_catalog/rw_catalog/rw_worker_nodes.rs b/src/frontend/src/catalog/system_catalog/rw_catalog/rw_worker_nodes.rs
index 226b0230e3f21..6c21f524e684e 100644
--- a/src/frontend/src/catalog/system_catalog/rw_catalog/rw_worker_nodes.rs
+++ b/src/frontend/src/catalog/system_catalog/rw_catalog/rw_worker_nodes.rs
@@ -55,7 +55,7 @@ async fn read_rw_worker_nodes_info(reader: &SysCatalogReaderImpl) -> Result<Vec<
                 port: host.map(|h| h.port.to_string()),
                 r#type: worker.get_type().unwrap().as_str_name().into(),
                 state: worker.get_state().unwrap().as_str_name().into(),
-                parallelism: worker.parallel_units.len() as i32,
+                parallelism: worker.parallelism() as i32,
                 is_streaming: property.map(|p| p.is_streaming),
                 is_serving: property.map(|p| p.is_serving),
                 is_unschedulable: property.map(|p| p.is_unschedulable),
diff --git a/src/frontend/src/handler/alter_table_column.rs b/src/frontend/src/handler/alter_table_column.rs
index 3d9c5d71b4576..0ddeb2d1e3d37 100644
--- a/src/frontend/src/handler/alter_table_column.rs
+++ b/src/frontend/src/handler/alter_table_column.rs
@@ -52,13 +52,14 @@ pub async fn replace_table_with_definition(
         on_conflict,
         with_version_column,
         wildcard_idx,
+        cdc_table_info,
         ..
     } = definition
     else {
         panic!("unexpected statement type: {:?}", definition);
     };
 
-    let (graph, table, source) = generate_stream_graph_for_table(
+    let (graph, table, source, job_type) = generate_stream_graph_for_table(
         session,
         table_name,
         original_catalog,
@@ -72,6 +73,7 @@ pub async fn replace_table_with_definition(
         append_only,
         on_conflict,
         with_version_column,
+        cdc_table_info,
     )
     .await?;
 
@@ -92,7 +94,7 @@ pub async fn replace_table_with_definition(
     let catalog_writer = session.catalog_writer()?;
 
     catalog_writer
-        .replace_table(source, table, graph, col_index_mapping)
+        .replace_table(source, table, graph, col_index_mapping, job_type)
         .await?;
     Ok(())
 }
@@ -145,6 +147,13 @@ pub async fn handle_alter_table_column(
         }
     }
 
+    if columns.is_empty() {
+        Err(ErrorCode::NotSupported(
+            "alter a table with empty column definitions".to_string(),
+            "Please recreate the table with column definitions.".to_string(),
+        ))?
+    }
+
     match operation {
         AlterTableOperation::AddColumn {
             column_def: new_column,
@@ -171,7 +180,7 @@ pub async fn handle_alter_table_column(
                 ))?
             }
 
-            // Add the new column to the table definition.
+            // Add the new column to the table definition if it is not created by `create table (*)` syntax.
             columns.push(new_column);
         }
 
@@ -210,7 +219,7 @@ pub async fn handle_alter_table_column(
         }
 
         _ => unreachable!(),
-    }
+    };
 
     replace_table_with_definition(
         &session,
diff --git a/src/frontend/src/handler/create_sink.rs b/src/frontend/src/handler/create_sink.rs
index dd3f435885c28..1dcb4167f8c19 100644
--- a/src/frontend/src/handler/create_sink.rs
+++ b/src/frontend/src/handler/create_sink.rs
@@ -32,7 +32,7 @@ use risingwave_connector::sink::{
     CONNECTOR_TYPE_KEY, SINK_TYPE_OPTION, SINK_USER_FORCE_APPEND_ONLY_OPTION, SINK_WITHOUT_BACKFILL,
 };
 use risingwave_pb::catalog::{PbSource, Table};
-use risingwave_pb::ddl_service::ReplaceTablePlan;
+use risingwave_pb::ddl_service::{ReplaceTablePlan, TableJobType};
 use risingwave_pb::stream_plan::stream_fragment_graph::Parallelism;
 use risingwave_pb::stream_plan::stream_node::NodeBody;
 use risingwave_pb::stream_plan::{DispatcherType, MergeNode, StreamFragmentGraph, StreamNode};
@@ -466,6 +466,7 @@ pub async fn handle_create_sink(
             table: Some(table),
             fragment_graph: Some(graph),
             table_col_index_mapping: None,
+            job_type: TableJobType::General as _,
         });
     }
 
@@ -634,7 +635,7 @@ pub(crate) async fn reparse_table_for_sink(
         panic!("unexpected statement type: {:?}", definition);
     };
 
-    let (graph, table, source) = generate_stream_graph_for_table(
+    let (graph, table, source, _) = generate_stream_graph_for_table(
         session,
         table_name,
         table_catalog,
@@ -648,6 +649,7 @@ pub(crate) async fn reparse_table_for_sink(
         append_only,
         on_conflict,
         with_version_column,
+        None,
     )
     .await?;
 
diff --git a/src/frontend/src/handler/create_table.rs b/src/frontend/src/handler/create_table.rs
index 16d0bb8e88d7c..11d0d0ebd08dd 100644
--- a/src/frontend/src/handler/create_table.rs
+++ b/src/frontend/src/handler/create_table.rs
@@ -724,6 +724,9 @@ fn gen_table_plan_inner(
     Ok((materialize.into(), table))
 }
 
+/// Generate stream plan for cdc table based on shared source.
+/// In replace workflow, the `table_id` is the id of the table to be replaced
+/// in create table workflow, the `table_id` is a placeholder will be filled in the Meta
 #[allow(clippy::too_many_arguments)]
 pub(crate) fn gen_create_table_plan_for_cdc_table(
     handler_args: HandlerArgs,
@@ -740,6 +743,7 @@ pub(crate) fn gen_create_table_plan_for_cdc_table(
     resolved_table_name: String,
     database_id: DatabaseId,
     schema_id: SchemaId,
+    table_id: TableId,
 ) -> Result<(PlanRef, PbTable)> {
     let context: OptimizerContextRef = OptimizerContext::new(handler_args, explain_options).into();
     let session = context.session_ctx().clone();
@@ -778,8 +782,8 @@ pub(crate) fn gen_create_table_plan_for_cdc_table(
         .collect();
 
     let cdc_table_desc = CdcTableDesc {
-        table_id: TableId::placeholder(), // will be filled in meta node
-        source_id: source.id.into(),      // id of cdc source streaming job
+        table_id,
+        source_id: source.id.into(), // id of cdc source streaming job
         external_table_name: external_table_name.clone(),
         pk: table_pk,
         columns: columns.iter().map(|c| c.column_desc.clone()).collect(),
@@ -994,6 +998,7 @@ pub(super) async fn handle_create_table_plan(
                     resolved_table_name,
                     database_id,
                     schema_id,
+                    TableId::placeholder(),
                 )?;
 
                 ((plan, None, table), TableJobType::SharedCdcSource)
@@ -1218,23 +1223,24 @@ pub async fn generate_stream_graph_for_table(
     source_schema: Option<ConnectorSchema>,
     handler_args: HandlerArgs,
     col_id_gen: ColumnIdGenerator,
-    columns: Vec<ColumnDef>,
+    column_defs: Vec<ColumnDef>,
     wildcard_idx: Option<usize>,
     constraints: Vec<TableConstraint>,
     source_watermarks: Vec<SourceWatermark>,
     append_only: bool,
     on_conflict: Option<OnConflict>,
     with_version_column: Option<String>,
-) -> Result<(StreamFragmentGraph, Table, Option<PbSource>)> {
+    cdc_table_info: Option<CdcTableInfo>,
+) -> Result<(StreamFragmentGraph, Table, Option<PbSource>, TableJobType)> {
     use risingwave_pb::catalog::table::OptionalAssociatedSourceId;
 
-    let (plan, source, table) = match source_schema {
-        Some(source_schema) => {
+    let ((plan, source, table), job_type) = match (source_schema, cdc_table_info.as_ref()) {
+        (Some(source_schema), None) => (
             gen_create_table_plan_with_source(
                 handler_args,
                 ExplainOptions::default(),
                 table_name,
-                columns,
+                column_defs,
                 wildcard_idx,
                 constraints,
                 source_schema,
@@ -1245,14 +1251,15 @@ pub async fn generate_stream_graph_for_table(
                 with_version_column,
                 vec![],
             )
-            .await?
-        }
-        None => {
+            .await?,
+            TableJobType::General,
+        ),
+        (None, None) => {
             let context = OptimizerContext::from_handler_args(handler_args);
             let (plan, table) = gen_create_table_plan(
                 context,
                 table_name,
-                columns,
+                column_defs,
                 constraints,
                 col_id_gen,
                 source_watermarks,
@@ -1260,7 +1267,53 @@ pub async fn generate_stream_graph_for_table(
                 on_conflict,
                 with_version_column,
             )?;
-            (plan, None, table)
+            ((plan, None, table), TableJobType::General)
+        }
+        (None, Some(cdc_table)) => {
+            let session = &handler_args.session;
+            let (source, resolved_table_name, database_id, schema_id) =
+                get_source_and_resolved_table_name(session, cdc_table.clone(), table_name.clone())?;
+
+            let connect_properties = derive_connect_properties(
+                &source.with_properties,
+                cdc_table.external_table_name.clone(),
+            )?;
+
+            let (columns, pk_names) = derive_schema_for_cdc_table(
+                &column_defs,
+                &constraints,
+                connect_properties.clone(),
+                false,
+            )
+            .await?;
+
+            let (plan, table) = gen_create_table_plan_for_cdc_table(
+                handler_args,
+                ExplainOptions::default(),
+                source,
+                cdc_table.external_table_name.clone(),
+                columns,
+                pk_names,
+                connect_properties,
+                col_id_gen,
+                on_conflict,
+                with_version_column,
+                vec![], // empty include options
+                resolved_table_name,
+                database_id,
+                schema_id,
+                original_catalog.id(),
+            )?;
+
+            ((plan, None, table), TableJobType::SharedCdcSource)
+        }
+        (Some(_), Some(_)) => {
+            return Err(ErrorCode::NotSupported(
+                "Data format and encoding format doesn't apply to table created from a CDC source"
+                    .into(),
+                "Remove the FORMAT and ENCODE specification".into(),
+            )
+            .into())
         }
     };
 
@@ -1290,7 +1343,35 @@ pub async fn generate_stream_graph_for_table(
         ..table
     };
 
-    Ok((graph, table, source))
+    Ok((graph, table, source, job_type))
+}
+
+fn get_source_and_resolved_table_name(
+    session: &Arc<SessionImpl>,
+    cdc_table: CdcTableInfo,
+    table_name: ObjectName,
+) -> Result<(Arc<SourceCatalog>, String, DatabaseId, SchemaId)> {
+    let db_name = session.database();
+    let (schema_name, resolved_table_name) =
+        Binder::resolve_schema_qualified_name(db_name, table_name)?;
+    let (database_id, schema_id) =
+        session.get_database_and_schema_id_for_create(schema_name.clone())?;
+
+    let (source_schema, source_name) =
+        Binder::resolve_schema_qualified_name(db_name, cdc_table.source_name.clone())?;
+
+    let source = {
+        let catalog_reader = session.env().catalog_reader().read_guard();
+        let schema_name = source_schema.unwrap_or(DEFAULT_SCHEMA_NAME.to_string());
+        let (source, _) = catalog_reader.get_source_by_name(
+            db_name,
+            SchemaPath::Name(schema_name.as_str()),
+            source_name.as_str(),
+        )?;
+        source.clone()
+    };
+
+    Ok((source, resolved_table_name, database_id, schema_id))
 }
 
 #[cfg(test)]
diff --git a/src/frontend/src/handler/drop_sink.rs b/src/frontend/src/handler/drop_sink.rs
index 1b491be81f5ef..a209a16c88ae3 100644
--- a/src/frontend/src/handler/drop_sink.rs
+++ b/src/frontend/src/handler/drop_sink.rs
@@ -13,7 +13,7 @@
 // limitations under the License.
 
 use pgwire::pg_response::{PgResponse, StatementType};
-use risingwave_pb::ddl_service::ReplaceTablePlan;
+use risingwave_pb::ddl_service::{ReplaceTablePlan, TableJobType};
 use risingwave_sqlparser::ast::ObjectName;
 
 use super::RwPgResponse;
@@ -89,6 +89,7 @@ pub async fn handle_drop_sink(
             table: Some(table),
             fragment_graph: Some(graph),
             table_col_index_mapping: None,
+            job_type: TableJobType::General as _,
         });
     }
 
diff --git a/src/frontend/src/lib.rs b/src/frontend/src/lib.rs
index 5f0c03061c0ab..dbc312ac463ca 100644
--- a/src/frontend/src/lib.rs
+++ b/src/frontend/src/lib.rs
@@ -61,6 +61,7 @@ pub mod session;
 mod stream_fragmenter;
 use risingwave_common::config::{MetricLevel, OverrideConfig};
 use risingwave_common::util::meta_addr::MetaAddressStrategy;
+use risingwave_common::util::tokio_util::sync::CancellationToken;
 pub use stream_fragmenter::build_graph;
 mod utils;
 pub use utils::{explain_stream_graph, WithOptions};
@@ -165,12 +166,15 @@ use std::pin::Pin;
 use pgwire::pg_protocol::TlsConfig;
 
 /// Start frontend
-pub fn start(opts: FrontendOpts) -> Pin<Box<dyn Future<Output = ()> + Send>> {
+pub fn start(
+    opts: FrontendOpts,
+    shutdown: CancellationToken,
+) -> Pin<Box<dyn Future<Output = ()> + Send>> {
     // WARNING: don't change the function signature. Making it `async fn` will cause
     // slow compile in release mode.
     Box::pin(async move {
         let listen_addr = opts.listen_addr.clone();
-        let session_mgr = Arc::new(SessionManagerImpl::new(opts).await.unwrap());
+        let session_mgr = SessionManagerImpl::new(opts).await.unwrap();
         let redact_sql_option_keywords = Arc::new(
             session_mgr
                 .env()
@@ -180,11 +184,13 @@ pub fn start(opts: FrontendOpts) -> Pin<Box<dyn Future<Output = ()> + Send>> {
                 .map(|s| s.to_lowercase())
                 .collect::<HashSet<_>>(),
         );
+
         pg_serve(
             &listen_addr,
             session_mgr,
             TlsConfig::new_default(),
             Some(redact_sql_option_keywords),
+            shutdown,
         )
         .await
         .unwrap()
diff --git a/src/frontend/src/meta_client.rs b/src/frontend/src/meta_client.rs
index 70b53cb82f9be..c54ebcd0aecb9 100644
--- a/src/frontend/src/meta_client.rs
+++ b/src/frontend/src/meta_client.rs
@@ -44,6 +44,8 @@ use risingwave_rpc_client::{HummockMetaClient, MetaClient};
 /// in this trait so that the mocking can be simplified.
 #[async_trait::async_trait]
 pub trait FrontendMetaClient: Send + Sync {
+    async fn try_unregister(&self);
+
     async fn pin_snapshot(&self) -> Result<HummockSnapshot>;
 
     async fn get_snapshot(&self) -> Result<HummockSnapshot>;
@@ -124,12 +126,23 @@ pub trait FrontendMetaClient: Send + Sync {
         id: u32,
         rate_limit: Option<u32>,
     ) -> Result<()>;
+
+    async fn list_change_log_epochs(
+        &self,
+        table_id: u32,
+        min_epoch: u64,
+        max_count: u32,
+    ) -> Result<Vec<u64>>;
 }
 
 pub struct FrontendMetaClientImpl(pub MetaClient);
 
 #[async_trait::async_trait]
 impl FrontendMetaClient for FrontendMetaClientImpl {
+    async fn try_unregister(&self) {
+        self.0.try_unregister().await;
+    }
+
     async fn pin_snapshot(&self) -> Result<HummockSnapshot> {
         self.0.pin_snapshot().await
     }
@@ -312,4 +325,15 @@ impl FrontendMetaClient for FrontendMetaClientImpl {
             .await
             .map(|_| ())
     }
+
+    async fn list_change_log_epochs(
+        &self,
+        table_id: u32,
+        min_epoch: u64,
+        max_count: u32,
+    ) -> Result<Vec<u64>> {
+        self.0
+            .list_change_log_epochs(table_id, min_epoch, max_count)
+            .await
+    }
 }
diff --git a/src/frontend/src/optimizer/plan_node/stream_changelog.rs b/src/frontend/src/optimizer/plan_node/stream_changelog.rs
index d84aa8c7e0cdf..0ee696c58067a 100644
--- a/src/frontend/src/optimizer/plan_node/stream_changelog.rs
+++ b/src/frontend/src/optimizer/plan_node/stream_changelog.rs
@@ -43,7 +43,8 @@ impl StreamChangeLog {
         let base = PlanBase::new_stream_with_core(
             &core,
             dist,
-            input.append_only(),
+            // The changelog will convert all delete/update to insert, so it must be true here.
+            true,
             input.emit_on_window_close(),
             watermark_columns,
         );
diff --git a/src/frontend/src/scheduler/distributed/stage.rs b/src/frontend/src/scheduler/distributed/stage.rs
index 211daca076ea1..8301c5a5b9d54 100644
--- a/src/frontend/src/scheduler/distributed/stage.rs
+++ b/src/frontend/src/scheduler/distributed/stage.rs
@@ -712,11 +712,11 @@ impl StageRunner {
 
         if let Some(table_id) = dml_table_id {
             let vnode_mapping = self.get_table_dml_vnode_mapping(&table_id)?;
-            let worker_ids = vnode_mapping.iter_unique().collect_vec();
+            let worker_slot_ids = vnode_mapping.iter_unique().collect_vec();
             let candidates = self
                 .worker_node_manager
                 .manager
-                .get_workers_by_worker_slot_ids(&worker_ids)?;
+                .get_workers_by_worker_slot_ids(&worker_slot_ids)?;
             if candidates.is_empty() {
                 return Err(BatchError::EmptyWorkerNodes.into());
             }
diff --git a/src/frontend/src/scheduler/plan_fragmenter.rs b/src/frontend/src/scheduler/plan_fragmenter.rs
index 6b04f62e60f89..699a84fdc3e3a 100644
--- a/src/frontend/src/scheduler/plan_fragmenter.rs
+++ b/src/frontend/src/scheduler/plan_fragmenter.rs
@@ -27,7 +27,7 @@ use pgwire::pg_server::SessionId;
 use risingwave_batch::error::BatchError;
 use risingwave_batch::worker_manager::worker_node_manager::WorkerNodeSelector;
 use risingwave_common::bail;
-use risingwave_common::buffer::{Bitmap, BitmapBuilder};
+use risingwave_common::bitmap::{Bitmap, BitmapBuilder};
 use risingwave_common::catalog::TableDesc;
 use risingwave_common::hash::table_distribution::TableDistribution;
 use risingwave_common::hash::{VirtualNode, WorkerSlotId, WorkerSlotMapping};
diff --git a/src/frontend/src/session.rs b/src/frontend/src/session.rs
index fcee022ff10a3..2148656bee00b 100644
--- a/src/frontend/src/session.rs
+++ b/src/frontend/src/session.rs
@@ -922,6 +922,27 @@ impl SessionImpl {
         Ok(connection.clone())
     }
 
+    pub fn get_subscription_by_schema_id_name(
+        &self,
+        schema_id: SchemaId,
+        subscription_name: &str,
+    ) -> Result<Arc<SubscriptionCatalog>> {
+        let db_name = self.database();
+
+        let catalog_reader = self.env().catalog_reader().read_guard();
+        let db_id = catalog_reader.get_database_by_name(db_name)?.id();
+        let schema = catalog_reader.get_schema_by_id(&db_id, &schema_id)?;
+        let subscription = schema
+            .get_subscription_by_name(subscription_name)
+            .ok_or_else(|| {
+                RwError::from(ErrorCode::ItemNotFound(format!(
+                    "subscription {} not found",
+                    subscription_name
+                )))
+            })?;
+        Ok(subscription.clone())
+    }
+
     pub fn get_subscription_by_name(
         &self,
         schema_name: Option<String>,
@@ -978,10 +999,11 @@ impl SessionImpl {
         min_epoch: u64,
         max_count: u32,
     ) -> Result<Vec<u64>> {
-        self.env
-            .catalog_writer
+        Ok(self
+            .env
+            .meta_client()
             .list_change_log_epochs(table_id, min_epoch, max_count)
-            .await
+            .await?)
     }
 
     pub fn clear_cancel_query_flag(&self) {
@@ -1182,10 +1204,18 @@ impl SessionManager for SessionManagerImpl {
     fn end_session(&self, session: &Self::Session) {
         self.delete_session(&session.session_id());
     }
+
+    async fn shutdown(&self) {
+        // Clean up the session map.
+        self.env.sessions_map().write().clear();
+        // Unregister from the meta service.
+        self.env.meta_client().try_unregister().await;
+    }
 }
 
 impl SessionManagerImpl {
     pub async fn new(opts: FrontendOpts) -> Result<Self> {
+        // TODO(shutdown): only save join handles that **need** to be shutdown
         let (env, join_handles, shutdown_senders) = FrontendEnv::init(opts).await?;
         Ok(Self {
             env,
diff --git a/src/frontend/src/session/cursor_manager.rs b/src/frontend/src/session/cursor_manager.rs
index 46eca3beb9966..bcd1aa11ec749 100644
--- a/src/frontend/src/session/cursor_manager.rs
+++ b/src/frontend/src/session/cursor_manager.rs
@@ -214,9 +214,10 @@ impl SubscriptionCursor {
                     // Initiate a new batch query to continue fetching
                     match Self::get_next_rw_timestamp(
                         *seek_timestamp,
-                        self.dependent_table_id.table_id,
+                        &self.dependent_table_id,
                         *expected_timestamp,
                         handle_args.clone(),
+                        &self.subscription,
                     )
                     .await
                     {
@@ -343,15 +344,21 @@ impl SubscriptionCursor {
 
     async fn get_next_rw_timestamp(
         seek_timestamp: u64,
-        table_id: u32,
+        table_id: &TableId,
         expected_timestamp: Option<u64>,
         handle_args: HandlerArgs,
+        dependent_subscription: &SubscriptionCatalog,
     ) -> Result<(Option<u64>, Option<u64>)> {
+        let session = handle_args.session;
+        // Test subscription existence
+        session.get_subscription_by_schema_id_name(
+            dependent_subscription.schema_id,
+            &dependent_subscription.name,
+        )?;
+
         // The epoch here must be pulled every time, otherwise there will be cache consistency issues
-        let new_epochs = handle_args
-            .session
-            .catalog_writer()?
-            .list_change_log_epochs(table_id, seek_timestamp, 2)
+        let new_epochs = session
+            .list_change_log_epochs(table_id.table_id(), seek_timestamp, 2)
             .await?;
         if let Some(expected_timestamp) = expected_timestamp
             && (new_epochs.is_empty() || &expected_timestamp != new_epochs.first().unwrap())
@@ -525,9 +532,17 @@ impl CursorManager {
             handle_args,
         )
         .await?;
-        self.cursor_map
-            .lock()
-            .await
+        let mut cursor_map = self.cursor_map.lock().await;
+
+        cursor_map.retain(|_, v| {
+            if let Cursor::Subscription(cursor) = v {
+                !matches!(cursor.state, State::Invalid)
+            } else {
+                true
+            }
+        });
+
+        cursor_map
             .try_insert(cursor.cursor_name.clone(), Cursor::Subscription(cursor))
             .map_err(|_| {
                 ErrorCode::CatalogError(format!("cursor `{}` already exists", cursor_name).into())
diff --git a/src/frontend/src/stream_fragmenter/mod.rs b/src/frontend/src/stream_fragmenter/mod.rs
index f2d768cc076f4..7596a5544b391 100644
--- a/src/frontend/src/stream_fragmenter/mod.rs
+++ b/src/frontend/src/stream_fragmenter/mod.rs
@@ -308,7 +308,7 @@ fn build_fragment(
                 // memorize upstream source id for later use
                 state
                     .dependent_table_ids
-                    .insert(TableId::new(node.upstream_source_id));
+                    .insert(node.upstream_source_id.into());
                 current_fragment
                     .upstream_table_ids
                     .push(node.upstream_source_id);
diff --git a/src/frontend/src/test_utils.rs b/src/frontend/src/test_utils.rs
index ad9bade8f8be2..67bf2794f51b0 100644
--- a/src/frontend/src/test_utils.rs
+++ b/src/frontend/src/test_utils.rs
@@ -42,7 +42,7 @@ use risingwave_pb::common::WorkerNode;
 use risingwave_pb::ddl_service::alter_owner_request::Object;
 use risingwave_pb::ddl_service::{
     alter_set_schema_request, create_connection_request, DdlProgress, PbTableJobType,
-    ReplaceTablePlan,
+    ReplaceTablePlan, TableJobType,
 };
 use risingwave_pb::hummock::write_limits::WriteLimit;
 use risingwave_pb::hummock::{
@@ -242,15 +242,6 @@ impl CatalogWriter for MockCatalogWriter {
         Ok(())
     }
 
-    async fn list_change_log_epochs(
-        &self,
-        _table_id: u32,
-        _min_epoch: u64,
-        _max_count: u32,
-    ) -> Result<Vec<u64>> {
-        unreachable!()
-    }
-
     async fn create_schema(
         &self,
         db_id: DatabaseId,
@@ -309,6 +300,7 @@ impl CatalogWriter for MockCatalogWriter {
         mut table: PbTable,
         _graph: StreamFragmentGraph,
         _mapping: ColIndexMapping,
+        _job_type: TableJobType,
     ) -> Result<()> {
         table.stream_job_status = PbStreamJobStatus::Created as _;
         self.catalog.write().update_table(&table);
@@ -933,6 +925,8 @@ pub struct MockFrontendMetaClient {}
 
 #[async_trait::async_trait]
 impl FrontendMetaClient for MockFrontendMetaClient {
+    async fn try_unregister(&self) {}
+
     async fn pin_snapshot(&self) -> RpcResult<HummockSnapshot> {
         Ok(HummockSnapshot {
             committed_epoch: 0,
@@ -1089,6 +1083,15 @@ impl FrontendMetaClient for MockFrontendMetaClient {
     ) -> RpcResult<()> {
         unimplemented!()
     }
+
+    async fn list_change_log_epochs(
+        &self,
+        _table_id: u32,
+        _min_epoch: u64,
+        _max_count: u32,
+    ) -> RpcResult<Vec<u64>> {
+        unimplemented!()
+    }
 }
 
 #[cfg(test)]
diff --git a/src/meta/service/src/cluster_service.rs b/src/meta/service/src/cluster_service.rs
index 7a81098cdc67b..ef7295a6d5136 100644
--- a/src/meta/service/src/cluster_service.rs
+++ b/src/meta/service/src/cluster_service.rs
@@ -140,14 +140,17 @@ impl ClusterService for ClusterServiceImpl {
     ) -> Result<Response<DeleteWorkerNodeResponse>, Status> {
         let req = request.into_inner();
         let host = req.get_host()?.clone();
-        match &self.metadata_manager {
-            MetadataManager::V1(mgr) => {
-                let _ = mgr.cluster_manager.delete_worker_node(host).await?;
-            }
-            MetadataManager::V2(mgr) => {
-                mgr.cluster_controller.delete_worker(host).await?;
-            }
-        }
+
+        let worker_node = match &self.metadata_manager {
+            MetadataManager::V1(mgr) => mgr.cluster_manager.delete_worker_node(host).await?,
+            MetadataManager::V2(mgr) => mgr.cluster_controller.delete_worker(host).await?,
+        };
+        tracing::info!(
+            host = ?worker_node.host,
+            id = worker_node.id,
+            r#type = ?worker_node.r#type(),
+            "deleted worker node",
+        );
 
         Ok(Response::new(DeleteWorkerNodeResponse { status: None }))
     }
diff --git a/src/meta/service/src/ddl_service.rs b/src/meta/service/src/ddl_service.rs
index 2e4ba23e02d8f..2b2b1bcfeb2b3 100644
--- a/src/meta/service/src/ddl_service.rs
+++ b/src/meta/service/src/ddl_service.rs
@@ -82,6 +82,7 @@ impl DdlServiceImpl {
     }
 
     fn extract_replace_table_info(change: ReplaceTablePlan) -> ReplaceTableInfo {
+        let job_type = change.get_job_type().unwrap_or_default();
         let mut source = change.source;
         let mut fragment_graph = change.fragment_graph.unwrap();
         let mut table = change.table.unwrap();
@@ -89,19 +90,14 @@ impl DdlServiceImpl {
             table.optional_associated_source_id
         {
             source.as_mut().unwrap().id = source_id;
-            fill_table_stream_graph_info(
-                &mut source,
-                &mut table,
-                TableJobType::General,
-                &mut fragment_graph,
-            );
+            fill_table_stream_graph_info(&mut source, &mut table, job_type, &mut fragment_graph);
         }
         let table_col_index_mapping = change
             .table_col_index_mapping
             .as_ref()
             .map(ColIndexMapping::from_protobuf);
 
-        let stream_job = StreamingJob::Table(source, table, TableJobType::General);
+        let stream_job = StreamingJob::Table(source, table, job_type);
 
         ReplaceTableInfo {
             streaming_job: stream_job,
diff --git a/src/meta/service/src/notification_service.rs b/src/meta/service/src/notification_service.rs
index e4a8d298e0788..5d68211a71d57 100644
--- a/src/meta/service/src/notification_service.rs
+++ b/src/meta/service/src/notification_service.rs
@@ -148,19 +148,19 @@ impl NotificationServiceImpl {
         match &self.metadata_manager {
             MetadataManager::V1(mgr) => {
                 let fragment_guard = mgr.fragment_manager.get_fragment_read_guard().await;
-                let parallel_unit_mappings =
+                let worker_slot_mappings =
                     fragment_guard.all_running_fragment_mappings().collect_vec();
                 let notification_version = self.env.notification_manager().current_version().await;
-                Ok((parallel_unit_mappings, notification_version))
+                Ok((worker_slot_mappings, notification_version))
             }
             MetadataManager::V2(mgr) => {
                 let fragment_guard = mgr.catalog_controller.get_inner_read_guard().await;
-                let parallel_unit_mappings = fragment_guard
+                let worker_slot_mappings = fragment_guard
                     .all_running_fragment_mappings()
                     .await?
                     .collect_vec();
                 let notification_version = self.env.notification_manager().current_version().await;
-                Ok((parallel_unit_mappings, notification_version))
+                Ok((worker_slot_mappings, notification_version))
             }
         }
     }
diff --git a/src/meta/service/src/scale_service.rs b/src/meta/service/src/scale_service.rs
index 273fdbca9bc07..49dabd5d88d23 100644
--- a/src/meta/service/src/scale_service.rs
+++ b/src/meta/service/src/scale_service.rs
@@ -22,8 +22,8 @@ use risingwave_meta_model_v2::FragmentId;
 use risingwave_pb::common::WorkerType;
 use risingwave_pb::meta::scale_service_server::ScaleService;
 use risingwave_pb::meta::{
-    GetClusterInfoRequest, GetClusterInfoResponse, GetReschedulePlanRequest,
-    GetReschedulePlanResponse, Reschedule, RescheduleRequest, RescheduleResponse,
+    GetClusterInfoRequest, GetClusterInfoResponse, Reschedule, RescheduleRequest,
+    RescheduleResponse,
 };
 use risingwave_pb::source::{ConnectorSplit, ConnectorSplits};
 use tonic::{Request, Response, Status};
@@ -39,7 +39,6 @@ pub struct ScaleServiceImpl {
     source_manager: SourceManagerRef,
     stream_manager: GlobalStreamManagerRef,
     barrier_manager: BarrierManagerRef,
-    scale_controller: ScaleControllerRef,
 }
 
 impl ScaleServiceImpl {
@@ -48,14 +47,13 @@ impl ScaleServiceImpl {
         source_manager: SourceManagerRef,
         stream_manager: GlobalStreamManagerRef,
         barrier_manager: BarrierManagerRef,
-        scale_controller: ScaleControllerRef,
+        _scale_controller: ScaleControllerRef,
     ) -> Self {
         Self {
             metadata_manager,
             source_manager,
             stream_manager,
             barrier_manager,
-            scale_controller,
         }
     }
 
@@ -223,62 +221,4 @@ impl ScaleService for ScaleServiceImpl {
             revision: next_revision.into(),
         }))
     }
-
-    #[cfg_attr(coverage, coverage(off))]
-    async fn get_reschedule_plan(
-        &self,
-        request: Request<GetReschedulePlanRequest>,
-    ) -> Result<Response<GetReschedulePlanResponse>, Status> {
-        self.barrier_manager.check_status_running()?;
-
-        let req = request.into_inner();
-
-        let _reschedule_job_lock = self.stream_manager.reschedule_lock_read_guard().await;
-
-        let current_revision = self.get_revision().await;
-
-        if req.revision != current_revision.inner() {
-            return Ok(Response::new(GetReschedulePlanResponse {
-                success: false,
-                revision: current_revision.inner(),
-                reschedules: Default::default(),
-            }));
-        }
-
-        let policy = req
-            .policy
-            .ok_or_else(|| Status::invalid_argument("policy is required"))?;
-
-        let scale_controller = &self.scale_controller;
-
-        let plan = scale_controller.get_reschedule_plan(policy).await?;
-
-        let next_revision = self.get_revision().await;
-
-        // generate reschedule plan will not change the revision
-        assert_eq!(current_revision, next_revision);
-
-        Ok(Response::new(GetReschedulePlanResponse {
-            success: true,
-            revision: next_revision.into(),
-            reschedules: plan
-                .into_iter()
-                .map(|(fragment_id, reschedule)| {
-                    (
-                        fragment_id,
-                        Reschedule {
-                            added_parallel_units: reschedule
-                                .added_parallel_units
-                                .into_iter()
-                                .collect(),
-                            removed_parallel_units: reschedule
-                                .removed_parallel_units
-                                .into_iter()
-                                .collect(),
-                        },
-                    )
-                })
-                .collect(),
-        }))
-    }
 }
diff --git a/src/meta/src/barrier/command.rs b/src/meta/src/barrier/command.rs
index aae2f2f42a2f5..b5c538758529e 100644
--- a/src/meta/src/barrier/command.rs
+++ b/src/meta/src/barrier/command.rs
@@ -17,7 +17,7 @@ use std::sync::Arc;
 
 use futures::future::try_join_all;
 use itertools::Itertools;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::TableId;
 use risingwave_common::hash::ActorMapping;
 use risingwave_common::types::Timestamptz;
diff --git a/src/meta/src/controller/catalog.rs b/src/meta/src/controller/catalog.rs
index a49fc7a8a0690..cbdcd89350e8b 100644
--- a/src/meta/src/controller/catalog.rs
+++ b/src/meta/src/controller/catalog.rs
@@ -45,9 +45,7 @@ use risingwave_pb::meta::relation::PbRelationInfo;
 use risingwave_pb::meta::subscribe_response::{
     Info as NotificationInfo, Info, Operation as NotificationOperation, Operation,
 };
-use risingwave_pb::meta::{
-    FragmentParallelUnitMapping, PbFragmentWorkerSlotMapping, PbRelation, PbRelationGroup,
-};
+use risingwave_pb::meta::{PbFragmentWorkerSlotMapping, PbRelation, PbRelationGroup};
 use risingwave_pb::stream_plan::stream_node::NodeBody;
 use risingwave_pb::stream_plan::FragmentTypeFlag;
 use risingwave_pb::user::PbUserInfo;
@@ -60,15 +58,14 @@ use sea_orm::{
 };
 use tokio::sync::{RwLock, RwLockReadGuard};
 
-use super::utils::check_subscription_name_duplicate;
+use super::utils::{check_subscription_name_duplicate, get_fragment_ids_by_jobs};
 use crate::controller::rename::{alter_relation_rename, alter_relation_rename_refs};
 use crate::controller::utils::{
     check_connection_name_duplicate, check_database_name_duplicate,
     check_function_signature_duplicate, check_relation_name_duplicate, check_schema_name_duplicate,
     check_secret_name_duplicate, ensure_object_id, ensure_object_not_refer, ensure_schema_empty,
-    ensure_user_id, get_fragment_mappings_by_jobs, get_referring_objects,
-    get_referring_objects_cascade, get_user_privilege, list_user_info_by_ids,
-    resolve_source_register_info_for_jobs, PartialObject,
+    ensure_user_id, get_referring_objects, get_referring_objects_cascade, get_user_privilege,
+    list_user_info_by_ids, resolve_source_register_info_for_jobs, PartialObject,
 };
 use crate::controller::ObjectModel;
 use crate::manager::{Catalog, MetaSrvEnv, NotificationVersion, IGNORED_NOTIFICATION_VERSION};
@@ -280,15 +277,13 @@ impl CatalogController {
             .all(&txn)
             .await?;
 
-        let fragment_mappings = get_fragment_mappings_by_jobs(&txn, streaming_jobs.clone())
+        let fragment_mappings = get_fragment_ids_by_jobs(&txn, streaming_jobs.clone())
             .await?
             .into_iter()
-            .map(
-                |FragmentParallelUnitMapping { fragment_id, .. }| PbFragmentWorkerSlotMapping {
-                    fragment_id,
-                    mapping: None,
-                },
-            )
+            .map(|fragment_id| PbFragmentWorkerSlotMapping {
+                fragment_id: fragment_id as _,
+                mapping: None,
+            })
             .collect();
 
         // The schema and objects in the database will be delete cascade.
@@ -2073,8 +2068,7 @@ impl CatalogController {
         let (source_fragments, removed_actors, removed_fragments) =
             resolve_source_register_info_for_jobs(&txn, to_drop_streaming_jobs.clone()).await?;
 
-        let fragment_mappings =
-            get_fragment_mappings_by_jobs(&txn, to_drop_streaming_jobs.clone()).await?;
+        let fragment_ids = get_fragment_ids_by_jobs(&txn, to_drop_streaming_jobs.clone()).await?;
 
         // Find affect users with privileges on all this objects.
         let to_update_user_ids: Vec<UserId> = UserPrivilege::find()
@@ -2174,14 +2168,12 @@ impl CatalogController {
             )
             .await;
 
-        let fragment_mappings = fragment_mappings
+        let fragment_mappings = fragment_ids
             .into_iter()
-            .map(
-                |FragmentParallelUnitMapping { fragment_id, .. }| PbFragmentWorkerSlotMapping {
-                    fragment_id,
-                    mapping: None,
-                },
-            )
+            .map(|fragment_id| PbFragmentWorkerSlotMapping {
+                fragment_id: fragment_id as _,
+                mapping: None,
+            })
             .collect();
 
         self.notify_fragment_mapping(NotificationOperation::Delete, fragment_mappings)
diff --git a/src/meta/src/controller/cluster.rs b/src/meta/src/controller/cluster.rs
index 41654192a58c8..50300f0ec2827 100644
--- a/src/meta/src/controller/cluster.rs
+++ b/src/meta/src/controller/cluster.rs
@@ -175,7 +175,7 @@ impl ClusterController {
         Ok(())
     }
 
-    pub async fn delete_worker(&self, host_address: HostAddress) -> MetaResult<()> {
+    pub async fn delete_worker(&self, host_address: HostAddress) -> MetaResult<WorkerNode> {
         let mut inner = self.inner.write().await;
         let worker = inner.delete_worker(host_address).await?;
         if worker.r#type() == PbWorkerType::ComputeNode {
@@ -190,10 +190,10 @@ impl ClusterController {
         // local notification.
         self.env
             .notification_manager()
-            .notify_local_subscribers(LocalNotification::WorkerNodeDeleted(worker))
+            .notify_local_subscribers(LocalNotification::WorkerNodeDeleted(worker.clone()))
             .await;
 
-        Ok(())
+        Ok(worker)
     }
 
     pub async fn update_schedulability(
diff --git a/src/meta/src/controller/streaming_job.rs b/src/meta/src/controller/streaming_job.rs
index 42cf44f184cf7..2db28e153e59b 100644
--- a/src/meta/src/controller/streaming_job.rs
+++ b/src/meta/src/controller/streaming_job.rs
@@ -16,7 +16,7 @@ use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet};
 use std::num::NonZeroUsize;
 
 use itertools::Itertools;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::hash::{ActorMapping, ParallelUnitId, ParallelUnitMapping};
 use risingwave_common::util::column_index_mapping::ColIndexMapping;
 use risingwave_common::util::stream_graph_visitor::visit_stream_node;
diff --git a/src/meta/src/controller/utils.rs b/src/meta/src/controller/utils.rs
index 8a8f1b2d71cda..8358057663312 100644
--- a/src/meta/src/controller/utils.rs
+++ b/src/meta/src/controller/utils.rs
@@ -884,6 +884,24 @@ where
         .collect())
 }
 
+pub async fn get_fragment_ids_by_jobs<C>(
+    db: &C,
+    job_ids: Vec<ObjectId>,
+) -> MetaResult<Vec<FragmentId>>
+where
+    C: ConnectionTrait,
+{
+    let fragment_ids: Vec<FragmentId> = Fragment::find()
+        .select_only()
+        .column(fragment::Column::FragmentId)
+        .filter(fragment::Column::JobId.is_in(job_ids))
+        .into_tuple()
+        .all(db)
+        .await?;
+
+    Ok(fragment_ids)
+}
+
 /// `get_fragment_actor_ids` returns the fragment actor ids of the given fragments.
 pub async fn get_fragment_actor_ids<C>(
     db: &C,
diff --git a/src/meta/src/manager/catalog/fragment.rs b/src/meta/src/manager/catalog/fragment.rs
index 537e2fac01f22..1ac5aacef450a 100644
--- a/src/meta/src/manager/catalog/fragment.rs
+++ b/src/meta/src/manager/catalog/fragment.rs
@@ -18,7 +18,7 @@ use std::sync::Arc;
 use anyhow::{anyhow, Context};
 use itertools::Itertools;
 use risingwave_common::bail;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::TableId;
 use risingwave_common::hash::{ActorMapping, ParallelUnitId, ParallelUnitMapping};
 use risingwave_common::util::stream_graph_visitor::{
diff --git a/src/meta/src/manager/catalog/mod.rs b/src/meta/src/manager/catalog/mod.rs
index 72024ff98711c..b45787a6c3e9c 100644
--- a/src/meta/src/manager/catalog/mod.rs
+++ b/src/meta/src/manager/catalog/mod.rs
@@ -38,7 +38,7 @@ use risingwave_pb::catalog::{
     Comment, Connection, CreateType, Database, Function, Index, PbSource, PbStreamJobStatus,
     Schema, Secret, Sink, Source, StreamJobStatus, Subscription, Table, View,
 };
-use risingwave_pb::ddl_service::{alter_owner_request, alter_set_schema_request};
+use risingwave_pb::ddl_service::{alter_owner_request, alter_set_schema_request, TableJobType};
 use risingwave_pb::meta::subscribe_response::{Info, Operation};
 use risingwave_pb::user::grant_privilege::{Action, ActionWithGrantOption, Object};
 use risingwave_pb::user::update_user_request::UpdateField;
@@ -1295,63 +1295,57 @@ impl CatalogManager {
         table_id: TableId,
         internal_table_ids: Vec<TableId>,
     ) -> MetaResult<bool> {
-        let (table, internal_tables) = {
-            let core = &mut self.core.lock().await;
-            let database_core = &mut core.database;
-            let tables = &mut database_core.tables;
-            let Some(table) = tables.get(&table_id).cloned() else {
-                tracing::warn!(
-                    "table_id {} missing when attempting to cancel job, could be cleaned on recovery",
-                    table_id
-                );
-                return Ok(false);
-            };
-            let mut internal_tables = vec![];
-            for internal_table_id in &internal_table_ids {
-                if let Some(table) = tables.get(internal_table_id) {
-                    internal_tables.push(table.clone());
-                }
+        let core = &mut self.core.lock().await;
+        let database_core = &mut core.database;
+        let tables = &mut database_core.tables;
+        let Some(table) = tables.get(&table_id).cloned() else {
+            tracing::warn!(
+                "table_id {} missing when attempting to cancel job, could be cleaned on recovery",
+                table_id
+            );
+            return Ok(false);
+        };
+        let mut internal_tables = vec![];
+        for internal_table_id in &internal_table_ids {
+            if let Some(table) = tables.get(internal_table_id) {
+                internal_tables.push(table.clone());
             }
+        }
 
-            // `Unspecified` maps to Created state, due to backwards compatibility.
-            // `Created` states should not be cancelled.
-            if table
-                .get_stream_job_status()
-                .unwrap_or(StreamJobStatus::Created)
-                != StreamJobStatus::Creating
-            {
-                return Err(MetaError::invalid_parameter(format!(
-                    "table is not in creating state id={:#?}",
-                    table_id
-                )));
-            }
+        // `Unspecified` maps to Created state, due to backwards compatibility.
+        // `Created` states should not be cancelled.
+        if table
+            .get_stream_job_status()
+            .unwrap_or(StreamJobStatus::Created)
+            != StreamJobStatus::Creating
+        {
+            return Err(MetaError::invalid_parameter(format!(
+                "table is not in creating state id={:#?}",
+                table_id
+            )));
+        }
 
-            tracing::trace!("cleanup tables for {}", table.id);
-            let mut table_ids = vec![table.id];
-            table_ids.extend(internal_table_ids);
+        tracing::trace!("cleanup tables for {}", table.id);
+        let mut table_ids = vec![table.id];
+        table_ids.extend(internal_table_ids);
 
-            let tables = &mut database_core.tables;
-            let mut tables = BTreeMapTransaction::new(tables);
-            for table_id in table_ids {
-                let res = tables.remove(table_id);
-                assert!(res.is_some(), "table_id {} missing", table_id);
-            }
-            commit_meta!(self, tables)?;
-            (table, internal_tables)
-        };
+        let tables = &mut database_core.tables;
+        let mut tables = BTreeMapTransaction::new(tables);
+        for table_id in table_ids {
+            let res = tables.remove(table_id);
+            assert!(res.is_some(), "table_id {} missing", table_id);
+        }
+        commit_meta!(self, tables)?;
 
         {
-            let core = &mut self.core.lock().await;
-            {
-                let user_core = &mut core.user;
-                user_core.decrease_ref(table.owner);
-            }
+            let user_core = &mut core.user;
+            user_core.decrease_ref(table.owner);
+        }
 
-            {
-                let database_core = &mut core.database;
-                for &dependent_relation_id in &table.dependent_relations {
-                    database_core.decrease_relation_ref_count(dependent_relation_id);
-                }
+        {
+            let database_core = &mut core.database;
+            for &dependent_relation_id in &table.dependent_relations {
+                database_core.decrease_relation_ref_count(dependent_relation_id);
             }
         }
 
@@ -1371,6 +1365,7 @@ impl CatalogManager {
                 }),
             )
             .await;
+
         Ok(true)
     }
 
@@ -3557,7 +3552,7 @@ impl CatalogManager {
 
     /// This is used for `ALTER TABLE ADD/DROP COLUMN`.
     pub async fn start_replace_table_procedure(&self, stream_job: &StreamingJob) -> MetaResult<()> {
-        let StreamingJob::Table(source, table, ..) = stream_job else {
+        let StreamingJob::Table(source, table, job_type) = stream_job else {
             unreachable!("unexpected job: {stream_job:?}")
         };
         let core = &mut *self.core.lock().await;
@@ -3565,7 +3560,10 @@ impl CatalogManager {
         database_core.ensure_database_id(table.database_id)?;
         database_core.ensure_schema_id(table.schema_id)?;
 
-        assert!(table.dependent_relations.is_empty());
+        // general table streaming job should not have dependent relations
+        if matches!(job_type, TableJobType::General) {
+            assert!(table.dependent_relations.is_empty());
+        }
 
         let key = (table.database_id, table.schema_id, table.name.clone());
         let original_table = database_core
@@ -3720,8 +3718,6 @@ impl CatalogManager {
         let database_core = &mut core.database;
         let key = (table.database_id, table.schema_id, table.name.clone());
 
-        assert!(table.dependent_relations.is_empty());
-
         assert!(
             database_core.tables.contains_key(&table.id)
                 && database_core.has_in_progress_creation(&key),
diff --git a/src/meta/src/manager/cluster.rs b/src/meta/src/manager/cluster.rs
index 876050c36ae6c..a5e2c8175ea6b 100644
--- a/src/meta/src/manager/cluster.rs
+++ b/src/meta/src/manager/cluster.rs
@@ -127,7 +127,7 @@ impl ClusterManager {
                     .unwrap_or_default();
             }
 
-            let old_worker_parallelism = worker.worker_node.parallel_units.len();
+            let old_worker_parallelism = worker.worker_node.parallelism();
             if old_worker_parallelism == new_worker_parallelism
                 && worker.worker_node.property == property
             {
@@ -321,7 +321,7 @@ impl ClusterManager {
         Ok(())
     }
 
-    pub async fn delete_worker_node(&self, host_address: HostAddress) -> MetaResult<WorkerType> {
+    pub async fn delete_worker_node(&self, host_address: HostAddress) -> MetaResult<WorkerNode> {
         let mut core = self.core.write().await;
         let worker = core.get_worker_by_host_checked(host_address.clone())?;
         let worker_type = worker.worker_type();
@@ -346,10 +346,10 @@ impl ClusterManager {
         // local notification.
         self.env
             .notification_manager()
-            .notify_local_subscribers(LocalNotification::WorkerNodeDeleted(worker_node))
+            .notify_local_subscribers(LocalNotification::WorkerNodeDeleted(worker_node.clone()))
             .await;
 
-        Ok(worker_type)
+        Ok(worker_node)
     }
 
     /// Invoked when it receives a heartbeat from a worker node.
@@ -412,7 +412,8 @@ impl ClusterManager {
                 // 3. Delete expired workers.
                 for (worker_id, key) in workers_to_delete {
                     match cluster_manager.delete_worker_node(key.clone()).await {
-                        Ok(worker_type) => {
+                        Ok(worker_node) => {
+                            let worker_type = worker_node.r#type();
                             match worker_type {
                                 WorkerType::Frontend
                                 | WorkerType::ComputeNode
@@ -553,6 +554,13 @@ pub struct StreamingClusterInfo {
     pub unschedulable_parallel_units: HashMap<ParallelUnitId, ParallelUnit>,
 }
 
+// Encapsulating the use of parallel_units.
+impl StreamingClusterInfo {
+    pub fn parallelism(&self) -> usize {
+        self.parallel_units.len()
+    }
+}
+
 pub struct ClusterManagerCore {
     env: MetaSrvEnv,
     /// Record for workers in the cluster.
@@ -884,7 +892,7 @@ mod tests {
             )
             .await
             .unwrap();
-        assert_eq!(worker_node.parallel_units.len(), fake_parallelism + 4);
+        assert_eq!(worker_node.parallelism(), fake_parallelism + 4);
         assert_cluster_manager(&cluster_manager, parallel_count + 4).await;
 
         // re-register existing worker node with smaller parallelism.
@@ -908,11 +916,11 @@ mod tests {
             .unwrap();
 
         if !env.opts.disable_automatic_parallelism_control {
-            assert_eq!(worker_node.parallel_units.len(), fake_parallelism - 2);
+            assert_eq!(worker_node.parallelism(), fake_parallelism - 2);
             assert_cluster_manager(&cluster_manager, parallel_count - 2).await;
         } else {
             // compatibility mode
-            assert_eq!(worker_node.parallel_units.len(), fake_parallelism + 4);
+            assert_eq!(worker_node.parallelism(), fake_parallelism + 4);
             assert_cluster_manager(&cluster_manager, parallel_count + 4).await;
         }
 
diff --git a/src/meta/src/manager/diagnose.rs b/src/meta/src/manager/diagnose.rs
index 06c76c47c5daa..7d5d33b57b198 100644
--- a/src/meta/src/manager/diagnose.rs
+++ b/src/meta/src/manager/diagnose.rs
@@ -214,7 +214,7 @@ impl DiagnoseCommand {
                 &mut row,
                 worker_node.get_state().ok().map(|s| s.as_str_name()),
             );
-            row.add_cell(worker_node.parallel_units.len().into());
+            row.add_cell(worker_node.parallelism().into());
             try_add_cell(
                 &mut row,
                 worker_node.property.as_ref().map(|p| p.is_streaming),
diff --git a/src/meta/src/manager/sink_coordination/coordinator_worker.rs b/src/meta/src/manager/sink_coordination/coordinator_worker.rs
index 3ea9e8819214f..679a7479419e3 100644
--- a/src/meta/src/manager/sink_coordination/coordinator_worker.rs
+++ b/src/meta/src/manager/sink_coordination/coordinator_worker.rs
@@ -19,7 +19,7 @@ use anyhow::anyhow;
 use futures::future::{select, Either};
 use futures::stream::FuturesUnordered;
 use futures::{StreamExt, TryStreamExt};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::hash::{VirtualNode, VnodeBitmapExt};
 use risingwave_connector::dispatch_sink;
 use risingwave_connector::sink::{build_sink, Sink, SinkCommitCoordinator, SinkParam};
diff --git a/src/meta/src/manager/sink_coordination/manager.rs b/src/meta/src/manager/sink_coordination/manager.rs
index a9327b4613a35..fd2b986be28e7 100644
--- a/src/meta/src/manager/sink_coordination/manager.rs
+++ b/src/meta/src/manager/sink_coordination/manager.rs
@@ -19,7 +19,7 @@ use std::pin::pin;
 use futures::future::{select, BoxFuture, Either};
 use futures::stream::FuturesUnordered;
 use futures::{FutureExt, Stream, StreamExt, TryStreamExt};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_connector::sink::catalog::SinkId;
 use risingwave_connector::sink::SinkParam;
 use risingwave_pb::connector_service::coordinate_request::Msg;
@@ -357,7 +357,7 @@ mod tests {
     use futures::{FutureExt, StreamExt};
     use itertools::Itertools;
     use rand::seq::SliceRandom;
-    use risingwave_common::buffer::{Bitmap, BitmapBuilder};
+    use risingwave_common::bitmap::{Bitmap, BitmapBuilder};
     use risingwave_common::hash::VirtualNode;
     use risingwave_connector::sink::catalog::{SinkId, SinkType};
     use risingwave_connector::sink::{SinkCommitCoordinator, SinkError, SinkParam};
diff --git a/src/meta/src/manager/sink_coordination/mod.rs b/src/meta/src/manager/sink_coordination/mod.rs
index 68f3f44624e38..ab44965891d5f 100644
--- a/src/meta/src/manager/sink_coordination/mod.rs
+++ b/src/meta/src/manager/sink_coordination/mod.rs
@@ -17,7 +17,7 @@ mod manager;
 
 use futures::stream::BoxStream;
 pub use manager::SinkCoordinatorManager;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_connector::sink::SinkParam;
 use risingwave_pb::connector_service::{CoordinateRequest, CoordinateResponse};
 use tokio::sync::mpsc::Sender;
diff --git a/src/meta/src/rpc/ddl_controller.rs b/src/meta/src/rpc/ddl_controller.rs
index d88e517a5e4e4..6bcc59fee5538 100644
--- a/src/meta/src/rpc/ddl_controller.rs
+++ b/src/meta/src/rpc/ddl_controller.rs
@@ -71,9 +71,9 @@ use tracing::Instrument;
 use crate::barrier::BarrierManagerRef;
 use crate::error::MetaErrorInner;
 use crate::manager::{
-    CatalogManagerRef, ConnectionId, DatabaseId, FragmentManagerRef, FunctionId, IdCategory,
-    IdCategoryType, IndexId, LocalNotification, MetaSrvEnv, MetadataManager, MetadataManagerV1,
-    NotificationVersion, RelationIdEnum, SchemaId, SecretId, SinkId, SourceId,
+    CatalogManagerRef, ConnectionId, DatabaseId, DdlType, FragmentManagerRef, FunctionId,
+    IdCategory, IdCategoryType, IndexId, LocalNotification, MetaSrvEnv, MetadataManager,
+    MetadataManagerV1, NotificationVersion, RelationIdEnum, SchemaId, SecretId, SinkId, SourceId,
     StreamingClusterInfo, StreamingJob, StreamingJobDiscriminants, SubscriptionId, TableId, UserId,
     ViewId, IGNORED_NOTIFICATION_VERSION,
 };
@@ -1503,14 +1503,13 @@ impl DdlController {
     ) -> MetaResult<NonZeroUsize> {
         const MAX_PARALLELISM: NonZeroUsize = NonZeroUsize::new(VirtualNode::COUNT).unwrap();
 
-        if cluster_info.parallel_units.is_empty() {
+        if cluster_info.parallelism() == 0 {
             return Err(MetaError::unavailable(
                 "No available parallel units to schedule",
             ));
         }
 
-        let available_parallel_units =
-            NonZeroUsize::new(cluster_info.parallel_units.len()).unwrap();
+        let available_parallel_units = NonZeroUsize::new(cluster_info.parallelism()).unwrap();
 
         // Use configured parallel units if no default parallelism is specified.
         let parallelism =
@@ -1922,6 +1921,14 @@ impl DdlController {
             .mview_fragment()
             .expect("mview fragment not found");
 
+        let ddl_type = DdlType::from(stream_job);
+        let DdlType::Table(table_job_type) = &ddl_type else {
+            bail!(
+                "only support replacing table streaming job, ddl_type: {:?}",
+                ddl_type
+            )
+        };
+
         // Map the column indices in the dispatchers with the given mapping.
         let downstream_fragments = self.metadata_manager.get_downstream_chain_fragments(id).await?
             .into_iter()
@@ -1939,12 +1946,33 @@ impl DdlController {
                 )
             })?;
 
-        let complete_graph = CompleteStreamFragmentGraph::with_downstreams(
-            fragment_graph,
-            original_table_fragment.fragment_id,
-            downstream_fragments,
-            stream_job.into(),
-        )?;
+        // build complete graph based on the table job type
+        let complete_graph = match table_job_type {
+            TableJobType::General => CompleteStreamFragmentGraph::with_downstreams(
+                fragment_graph,
+                original_table_fragment.fragment_id,
+                downstream_fragments,
+                ddl_type,
+            )?,
+
+            TableJobType::SharedCdcSource => {
+                // get the upstream fragment which should be the cdc source
+                let upstream_root_fragments = self
+                    .metadata_manager
+                    .get_upstream_root_fragments(fragment_graph.dependent_table_ids())
+                    .await?;
+                CompleteStreamFragmentGraph::with_upstreams_and_downstreams(
+                    fragment_graph,
+                    upstream_root_fragments,
+                    original_table_fragment.fragment_id,
+                    downstream_fragments,
+                    ddl_type,
+                )?
+            }
+            TableJobType::Unspecified => {
+                unreachable!()
+            }
+        };
 
         // 2. Build the actor graph.
         let cluster_info = self.metadata_manager.get_streaming_cluster_info().await?;
@@ -1964,7 +1992,11 @@ impl DdlController {
         } = actor_graph_builder
             .generate_graph(&self.env, stream_job, expr_context)
             .await?;
-        assert!(dispatchers.is_empty());
+
+        // general table job type does not have upstream job, so the dispatchers should be empty
+        if matches!(table_job_type, TableJobType::General) {
+            assert!(dispatchers.is_empty());
+        }
 
         // 3. Build the table fragments structure that will be persisted in the stream manager, and
         // the context that contains all information needed for building the actors on the compute
diff --git a/src/meta/src/stream/scale.rs b/src/meta/src/stream/scale.rs
index 0b7a711b38643..e54cb65d8869b 100644
--- a/src/meta/src/stream/scale.rs
+++ b/src/meta/src/stream/scale.rs
@@ -26,7 +26,7 @@ use itertools::Itertools;
 use num_integer::Integer;
 use num_traits::abs;
 use risingwave_common::bail;
-use risingwave_common::buffer::{Bitmap, BitmapBuilder};
+use risingwave_common::bitmap::{Bitmap, BitmapBuilder};
 use risingwave_common::catalog::TableId;
 use risingwave_common::hash::{ActorMapping, ParallelUnitId, VirtualNode};
 use risingwave_common::util::iter_util::ZipEqDebug;
@@ -34,7 +34,6 @@ use risingwave_meta_model_v2::StreamingParallelism;
 use risingwave_pb::common::{
     ActorInfo, Buffer, ParallelUnit, ParallelUnitMapping, WorkerNode, WorkerType,
 };
-use risingwave_pb::meta::get_reschedule_plan_request::{Policy, StableResizePolicy};
 use risingwave_pb::meta::subscribe_response::{Info, Operation};
 use risingwave_pb::meta::table_fragments::actor_status::ActorState;
 use risingwave_pb::meta::table_fragments::fragment::{
@@ -2071,351 +2070,6 @@ impl ScaleController {
         Ok(target_plan)
     }
 
-    pub async fn generate_stable_resize_plan(
-        &self,
-        policy: StableResizePolicy,
-        parallel_unit_hints: Option<HashMap<WorkerId, HashSet<ParallelUnitId>>>,
-    ) -> MetaResult<HashMap<FragmentId, ParallelUnitReschedule>> {
-        let StableResizePolicy {
-            fragment_worker_changes,
-        } = policy;
-
-        let mut target_plan = HashMap::with_capacity(fragment_worker_changes.len());
-
-        let workers = self
-            .metadata_manager
-            .list_active_streaming_compute_nodes()
-            .await?;
-
-        let unschedulable_worker_ids = Self::filter_unschedulable_workers(&workers);
-
-        for changes in fragment_worker_changes.values() {
-            for worker_id in &changes.include_worker_ids {
-                if unschedulable_worker_ids.contains(worker_id) {
-                    bail!("Cannot include unscheduable worker {}", worker_id)
-                }
-            }
-        }
-
-        let worker_parallel_units = workers
-            .iter()
-            .map(|worker| {
-                (
-                    worker.id,
-                    worker
-                        .parallel_units
-                        .iter()
-                        .map(|parallel_unit| parallel_unit.id as ParallelUnitId)
-                        .collect::<HashSet<_>>(),
-                )
-            })
-            .collect::<HashMap<_, _>>();
-
-        // FIXME: only need actor id and dispatcher info, avoid clone it.
-        let mut actor_map = HashMap::new();
-        let mut actor_status = HashMap::new();
-        // FIXME: only need fragment distribution info, should avoid clone it.
-        let mut fragment_map = HashMap::new();
-        let mut fragment_parallelism = HashMap::new();
-
-        // We are reusing code for the metadata manager of both V1 and V2, which will be deprecated in the future.
-        fn fulfill_index_by_table_fragments_ref(
-            actor_map: &mut HashMap<u32, CustomActorInfo>,
-            actor_status: &mut HashMap<ActorId, ActorStatus>,
-            fragment_map: &mut HashMap<FragmentId, CustomFragmentInfo>,
-            fragment_parallelism: &mut HashMap<FragmentId, TableParallelism>,
-            table_fragments: &TableFragments,
-        ) {
-            for (fragment_id, fragment) in &table_fragments.fragments {
-                for actor in &fragment.actors {
-                    actor_map.insert(actor.actor_id, CustomActorInfo::from(actor));
-                }
-
-                fragment_map.insert(*fragment_id, CustomFragmentInfo::from(fragment));
-
-                fragment_parallelism.insert(*fragment_id, table_fragments.assigned_parallelism);
-            }
-
-            actor_status.extend(table_fragments.actor_status.clone());
-        }
-
-        match &self.metadata_manager {
-            MetadataManager::V1(mgr) => {
-                let guard = mgr.fragment_manager.get_fragment_read_guard().await;
-
-                for table_fragments in guard.table_fragments().values() {
-                    fulfill_index_by_table_fragments_ref(
-                        &mut actor_map,
-                        &mut actor_status,
-                        &mut fragment_map,
-                        &mut fragment_parallelism,
-                        table_fragments,
-                    );
-                }
-            }
-            MetadataManager::V2(_) => {
-                let all_table_fragments = self.list_all_table_fragments().await?;
-
-                for table_fragments in &all_table_fragments {
-                    fulfill_index_by_table_fragments_ref(
-                        &mut actor_map,
-                        &mut actor_status,
-                        &mut fragment_map,
-                        &mut fragment_parallelism,
-                        table_fragments,
-                    );
-                }
-            }
-        };
-
-        let mut no_shuffle_source_fragment_ids = HashSet::new();
-        let mut no_shuffle_target_fragment_ids = HashSet::new();
-
-        Self::build_no_shuffle_relation_index(
-            &actor_map,
-            &mut no_shuffle_source_fragment_ids,
-            &mut no_shuffle_target_fragment_ids,
-        );
-
-        let mut fragment_dispatcher_map = HashMap::new();
-        Self::build_fragment_dispatcher_index(&actor_map, &mut fragment_dispatcher_map);
-
-        #[derive(PartialEq, Eq, Clone)]
-        struct WorkerChanges {
-            include_worker_ids: BTreeSet<WorkerId>,
-            exclude_worker_ids: BTreeSet<WorkerId>,
-            target_parallelism: Option<usize>,
-            target_parallelism_per_worker: Option<usize>,
-        }
-
-        let mut fragment_worker_changes: HashMap<_, _> = fragment_worker_changes
-            .into_iter()
-            .map(|(fragment_id, changes)| {
-                (
-                    fragment_id as FragmentId,
-                    WorkerChanges {
-                        include_worker_ids: changes.include_worker_ids.into_iter().collect(),
-                        exclude_worker_ids: changes.exclude_worker_ids.into_iter().collect(),
-                        target_parallelism: changes.target_parallelism.map(|p| p as usize),
-                        target_parallelism_per_worker: changes
-                            .target_parallelism_per_worker
-                            .map(|p| p as usize),
-                    },
-                )
-            })
-            .collect();
-
-        Self::resolve_no_shuffle_upstream_fragments(
-            &mut fragment_worker_changes,
-            &fragment_map,
-            &no_shuffle_source_fragment_ids,
-            &no_shuffle_target_fragment_ids,
-        )?;
-
-        for (
-            fragment_id,
-            WorkerChanges {
-                include_worker_ids,
-                exclude_worker_ids,
-                target_parallelism,
-                target_parallelism_per_worker,
-            },
-        ) in fragment_worker_changes
-        {
-            let fragment = match fragment_map.get(&fragment_id) {
-                None => bail!("Fragment id {} not found", fragment_id),
-                Some(fragment) => fragment,
-            };
-
-            let intersection_ids = include_worker_ids
-                .intersection(&exclude_worker_ids)
-                .collect_vec();
-
-            if !intersection_ids.is_empty() {
-                bail!(
-                    "Include worker ids {:?} and exclude worker ids {:?} have intersection {:?}",
-                    include_worker_ids,
-                    exclude_worker_ids,
-                    intersection_ids
-                );
-            }
-
-            for worker_id in include_worker_ids.iter().chain(exclude_worker_ids.iter()) {
-                if !worker_parallel_units.contains_key(worker_id)
-                    && !parallel_unit_hints
-                        .as_ref()
-                        .map(|hints| hints.contains_key(worker_id))
-                        .unwrap_or(false)
-                {
-                    bail!("Worker id {} not found", worker_id);
-                }
-            }
-
-            let fragment_parallel_unit_ids: BTreeSet<_> = fragment
-                .actors
-                .iter()
-                .map(|actor| {
-                    actor_status
-                        .get(&actor.actor_id)
-                        .and_then(|status| status.parallel_unit.clone())
-                        .unwrap()
-                        .id as ParallelUnitId
-                })
-                .collect();
-
-            let worker_to_parallel_unit_ids = |worker_ids: &BTreeSet<WorkerId>| {
-                worker_ids
-                    .iter()
-                    .flat_map(|worker_id| {
-                        worker_parallel_units
-                            .get(worker_id)
-                            .or_else(|| {
-                                parallel_unit_hints
-                                    .as_ref()
-                                    .and_then(|hints| hints.get(worker_id))
-                            })
-                            .expect("worker id should be valid")
-                    })
-                    .cloned()
-                    .collect_vec()
-            };
-
-            let include_worker_parallel_unit_ids = worker_to_parallel_unit_ids(&include_worker_ids);
-            let exclude_worker_parallel_unit_ids = worker_to_parallel_unit_ids(&exclude_worker_ids);
-
-            fn refilter_parallel_unit_id_by_target_parallelism(
-                worker_parallel_units: &HashMap<u32, HashSet<ParallelUnitId>>,
-                include_worker_ids: &BTreeSet<WorkerId>,
-                include_worker_parallel_unit_ids: &[ParallelUnitId],
-                target_parallel_unit_ids: &mut BTreeSet<ParallelUnitId>,
-                target_parallelism_per_worker: usize,
-            ) {
-                let limited_worker_parallel_unit_ids = include_worker_ids
-                    .iter()
-                    .flat_map(|worker_id| {
-                        worker_parallel_units
-                            .get(worker_id)
-                            .cloned()
-                            .unwrap()
-                            .into_iter()
-                            .sorted()
-                            .take(target_parallelism_per_worker)
-                    })
-                    .collect_vec();
-
-                // remove all the parallel units in the limited workers
-                target_parallel_unit_ids
-                    .retain(|id| !include_worker_parallel_unit_ids.contains(id));
-
-                // then we re-add the limited parallel units from the limited workers
-                target_parallel_unit_ids.extend(limited_worker_parallel_unit_ids.into_iter());
-            }
-            match fragment.distribution_type() {
-                FragmentDistributionType::Unspecified => unreachable!(),
-                FragmentDistributionType::Single => {
-                    let single_parallel_unit_id =
-                        fragment_parallel_unit_ids.iter().exactly_one().unwrap();
-
-                    let mut target_parallel_unit_ids: BTreeSet<_> = worker_parallel_units
-                        .keys()
-                        .filter(|id| !unschedulable_worker_ids.contains(*id))
-                        .filter(|id| !exclude_worker_ids.contains(*id))
-                        .flat_map(|id| worker_parallel_units.get(id).cloned().unwrap())
-                        .collect();
-
-                    if let Some(target_parallelism_per_worker) = target_parallelism_per_worker {
-                        refilter_parallel_unit_id_by_target_parallelism(
-                            &worker_parallel_units,
-                            &include_worker_ids,
-                            &include_worker_parallel_unit_ids,
-                            &mut target_parallel_unit_ids,
-                            target_parallelism_per_worker,
-                        );
-                    }
-
-                    if target_parallel_unit_ids.is_empty() {
-                        bail!(
-                            "No schedulable ParallelUnits available for single distribution fragment {}",
-                            fragment_id
-                        );
-                    }
-
-                    if !target_parallel_unit_ids.contains(single_parallel_unit_id) {
-                        let sorted_target_parallel_unit_ids =
-                            target_parallel_unit_ids.into_iter().sorted().collect_vec();
-
-                        let chosen_target_parallel_unit_id = sorted_target_parallel_unit_ids
-                            [fragment_id as usize % sorted_target_parallel_unit_ids.len()];
-
-                        target_plan.insert(
-                            fragment_id,
-                            ParallelUnitReschedule {
-                                added_parallel_units: BTreeSet::from([
-                                    chosen_target_parallel_unit_id,
-                                ]),
-                                removed_parallel_units: BTreeSet::from([*single_parallel_unit_id]),
-                            },
-                        );
-                    }
-                }
-                FragmentDistributionType::Hash => {
-                    let mut target_parallel_unit_ids: BTreeSet<_> =
-                        fragment_parallel_unit_ids.clone();
-                    target_parallel_unit_ids.extend(include_worker_parallel_unit_ids.iter());
-                    target_parallel_unit_ids
-                        .retain(|id| !exclude_worker_parallel_unit_ids.contains(id));
-
-                    if target_parallel_unit_ids.is_empty() {
-                        bail!(
-                            "No schedulable ParallelUnits available for fragment {}",
-                            fragment_id
-                        );
-                    }
-
-                    match (target_parallelism, target_parallelism_per_worker) {
-                        (Some(_), Some(_)) => {
-                            bail!("Cannot specify both target parallelism and target parallelism per worker");
-                        }
-                        (Some(target_parallelism), _) => {
-                            if target_parallel_unit_ids.len() < target_parallelism {
-                                bail!("Target parallelism {} is greater than schedulable ParallelUnits {}", target_parallelism, target_parallel_unit_ids.len());
-                            }
-
-                            target_parallel_unit_ids = target_parallel_unit_ids
-                                .into_iter()
-                                .take(target_parallelism)
-                                .collect();
-                        }
-                        (_, Some(target_parallelism_per_worker)) => {
-                            refilter_parallel_unit_id_by_target_parallelism(
-                                &worker_parallel_units,
-                                &include_worker_ids,
-                                &include_worker_parallel_unit_ids,
-                                &mut target_parallel_unit_ids,
-                                target_parallelism_per_worker,
-                            );
-                        }
-                        _ => {}
-                    }
-
-                    target_plan.insert(
-                        fragment_id,
-                        Self::diff_parallel_unit_change(
-                            &fragment_parallel_unit_ids,
-                            &target_parallel_unit_ids,
-                        ),
-                    );
-                }
-            }
-        }
-
-        target_plan.retain(|_, plan| {
-            !(plan.added_parallel_units.is_empty() && plan.removed_parallel_units.is_empty())
-        });
-
-        Ok(target_plan)
-    }
-
     fn filter_unschedulable_workers(workers: &[WorkerNode]) -> HashSet<WorkerId> {
         workers
             .iter()
@@ -2450,17 +2104,6 @@ impl ScaleController {
         }
     }
 
-    pub async fn get_reschedule_plan(
-        &self,
-        policy: Policy,
-    ) -> MetaResult<HashMap<FragmentId, ParallelUnitReschedule>> {
-        match policy {
-            Policy::StableResizePolicy(resize) => {
-                self.generate_stable_resize_plan(resize, None).await
-            }
-        }
-    }
-
     pub fn build_no_shuffle_relation_index(
         actor_map: &HashMap<ActorId, CustomActorInfo>,
         no_shuffle_source_fragment_ids: &mut HashSet<FragmentId>,
diff --git a/src/meta/src/stream/stream_graph/actor.rs b/src/meta/src/stream/stream_graph/actor.rs
index 7b02920ac3c4d..5d6b110ecdd05 100644
--- a/src/meta/src/stream/stream_graph/actor.rs
+++ b/src/meta/src/stream/stream_graph/actor.rs
@@ -19,7 +19,7 @@ use std::sync::Arc;
 use assert_matches::assert_matches;
 use itertools::Itertools;
 use risingwave_common::bail;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::hash::{ActorId, ActorMapping, ParallelUnitId};
 use risingwave_common::util::iter_util::ZipEqFast;
 use risingwave_pb::meta::table_fragments::Fragment;
diff --git a/src/meta/src/stream/stream_graph/fragment.rs b/src/meta/src/stream/stream_graph/fragment.rs
index e347dd0287f36..47bf446f1555d 100644
--- a/src/meta/src/stream/stream_graph/fragment.rs
+++ b/src/meta/src/stream/stream_graph/fragment.rs
@@ -606,6 +606,27 @@ impl CompleteStreamFragmentGraph {
         )
     }
 
+    /// For replacing an existing table based on shared cdc source
+    pub fn with_upstreams_and_downstreams(
+        graph: StreamFragmentGraph,
+        upstream_root_fragments: HashMap<TableId, Fragment>,
+        original_table_fragment_id: FragmentId,
+        downstream_fragments: Vec<(DispatchStrategy, Fragment)>,
+        ddl_type: DdlType,
+    ) -> MetaResult<Self> {
+        Self::build_helper(
+            graph,
+            Some(FragmentGraphUpstreamContext {
+                upstream_root_fragments,
+            }),
+            Some(FragmentGraphDownstreamContext {
+                original_table_fragment_id,
+                downstream_fragments,
+            }),
+            ddl_type,
+        )
+    }
+
     /// The core logic of building a [`CompleteStreamFragmentGraph`], i.e., adding extra upstream/downstream fragments.
     fn build_helper(
         mut graph: StreamFragmentGraph,
diff --git a/src/meta/src/stream/test_scale.rs b/src/meta/src/stream/test_scale.rs
index 73d59ff52f2f4..636ca8e1af5e8 100644
--- a/src/meta/src/stream/test_scale.rs
+++ b/src/meta/src/stream/test_scale.rs
@@ -18,7 +18,7 @@ mod tests {
 
     use itertools::Itertools;
     use maplit::btreeset;
-    use risingwave_common::buffer::Bitmap;
+    use risingwave_common::bitmap::Bitmap;
     use risingwave_common::hash::{ActorMapping, ParallelUnitId, ParallelUnitMapping, VirtualNode};
     use risingwave_pb::common::ParallelUnit;
 
diff --git a/src/object_store/Cargo.toml b/src/object_store/Cargo.toml
index 38bef42305792..ec03b6fe74614 100644
--- a/src/object_store/Cargo.toml
+++ b/src/object_store/Cargo.toml
@@ -42,7 +42,6 @@ opendal = { version = "0.47", features = [
     "services-s3",
     "services-webhdfs",
     "services-azfile",
-    # "service-hdfs",
 ] }
 prometheus = { version = "0.13", features = ["process"] }
 reqwest = "0.12.2" # required by opendal
diff --git a/src/object_store/src/object/opendal_engine/hdfs.rs b/src/object_store/src/object/opendal_engine/hdfs.rs
index 093a9f2d6c658..b7b28ef08a054 100644
--- a/src/object_store/src/object/opendal_engine/hdfs.rs
+++ b/src/object_store/src/object/opendal_engine/hdfs.rs
@@ -20,7 +20,7 @@ use opendal::Operator;
 use risingwave_common::config::ObjectStoreConfig;
 
 use super::{EngineType, OpendalObjectStore};
-use crate::object::opendal_engine::ATOMIC_WRITE_DIR;
+// use crate::object::opendal_engine::ATOMIC_WRITE_DIR;
 use crate::object::ObjectResult;
 
 impl OpendalObjectStore {
@@ -43,10 +43,11 @@ impl OpendalObjectStore {
         // Set the name node for hdfs.
         builder.name_node(&namenode);
         builder.root(&root);
-        if config.set_atomic_write_dir {
-            let atomic_write_dir = format!("{}/{}", root, ATOMIC_WRITE_DIR);
-            builder.atomic_write_dir(&atomic_write_dir);
-        }
+        // todo: reopen the following lines after https://github.com/apache/opendal/issues/4867 is resolved.
+        // if config.set_atomic_write_dir {
+        //     let atomic_write_dir = format!("{}/{}", root, ATOMIC_WRITE_DIR);
+        //     builder.atomic_write_dir(&atomic_write_dir);
+        // }
         let op: Operator = Operator::new(builder)?
             .layer(LoggingLayer::default())
             .finish();
diff --git a/src/prost/src/lib.rs b/src/prost/src/lib.rs
index 27d0523b84115..2a20f2e5530d4 100644
--- a/src/prost/src/lib.rs
+++ b/src/prost/src/lib.rs
@@ -204,6 +204,13 @@ impl stream_plan::MaterializeNode {
     }
 }
 
+// Encapsulating the use of parallel_units.
+impl common::WorkerNode {
+    pub fn parallelism(&self) -> usize {
+        self.parallel_units.len()
+    }
+}
+
 impl stream_plan::SourceNode {
     pub fn column_ids(&self) -> Option<Vec<i32>> {
         Some(
diff --git a/src/risedevtool/src/task/meta_node_service.rs b/src/risedevtool/src/task/meta_node_service.rs
index 8dfebbdf4fa3c..b3f55aa371b87 100644
--- a/src/risedevtool/src/task/meta_node_service.rs
+++ b/src/risedevtool/src/task/meta_node_service.rs
@@ -82,7 +82,10 @@ impl MetaNodeService {
 
         match &config.meta_backend {
             MetaBackend::Memory => {
-                cmd.arg("--backend").arg("mem");
+                cmd.arg("--backend")
+                    .arg("sql")
+                    .arg("--sql-endpoint")
+                    .arg("sqlite::memory:");
             }
             MetaBackend::Etcd => {
                 let etcd_config = config.provide_etcd_backend.as_ref().unwrap();
diff --git a/src/rpc_client/src/meta_client.rs b/src/rpc_client/src/meta_client.rs
index 296f8de4d888f..cd295abc9ba39 100644
--- a/src/rpc_client/src/meta_client.rs
+++ b/src/rpc_client/src/meta_client.rs
@@ -65,7 +65,6 @@ use risingwave_pb::meta::add_worker_node_request::Property;
 use risingwave_pb::meta::cancel_creating_jobs_request::PbJobs;
 use risingwave_pb::meta::cluster_service_client::ClusterServiceClient;
 use risingwave_pb::meta::event_log_service_client::EventLogServiceClient;
-use risingwave_pb::meta::get_reschedule_plan_request::PbPolicy;
 use risingwave_pb::meta::heartbeat_request::{extra_info, ExtraInfo};
 use risingwave_pb::meta::heartbeat_service_client::HeartbeatServiceClient;
 use risingwave_pb::meta::list_actor_states_response::ActorState;
@@ -528,6 +527,7 @@ impl MetaClient {
         table: PbTable,
         graph: StreamFragmentGraph,
         table_col_index_mapping: ColIndexMapping,
+        job_type: PbTableJobType,
     ) -> Result<CatalogVersion> {
         let request = ReplaceTablePlanRequest {
             plan: Some(ReplaceTablePlan {
@@ -535,6 +535,7 @@ impl MetaClient {
                 table: Some(table),
                 fragment_graph: Some(graph),
                 table_col_index_mapping: Some(table_col_index_mapping.to_protobuf()),
+                job_type: job_type as _,
             }),
         };
         let resp = self.inner.replace_table_plan(request).await?;
@@ -732,15 +733,34 @@ impl MetaClient {
         Ok(resp.version)
     }
 
-    /// Unregister the current node to the cluster.
-    pub async fn unregister(&self, addr: HostAddr) -> Result<()> {
+    /// Unregister the current node from the cluster.
+    pub async fn unregister(&self) -> Result<()> {
         let request = DeleteWorkerNodeRequest {
-            host: Some(addr.to_protobuf()),
+            host: Some(self.host_addr.to_protobuf()),
         };
         self.inner.delete_worker_node(request).await?;
         Ok(())
     }
 
+    /// Try to unregister the current worker from the cluster with best effort. Log the result.
+    pub async fn try_unregister(&self) {
+        match self.unregister().await {
+            Ok(_) => {
+                tracing::info!(
+                    worker_id = self.worker_id(),
+                    "successfully unregistered from meta service",
+                )
+            }
+            Err(e) => {
+                tracing::warn!(
+                    error = %e.as_report(),
+                    worker_id = self.worker_id(),
+                    "failed to unregister from meta service",
+                );
+            }
+        }
+    }
+
     pub async fn update_schedulability(
         &self,
         worker_ids: &[u32],
@@ -941,19 +961,6 @@ impl MetaClient {
         Ok((resp.success, resp.revision))
     }
 
-    pub async fn get_reschedule_plan(
-        &self,
-        policy: PbPolicy,
-        revision: u64,
-    ) -> Result<GetReschedulePlanResponse> {
-        let request = GetReschedulePlanRequest {
-            revision,
-            policy: Some(policy),
-        };
-        let resp = self.inner.get_reschedule_plan(request).await?;
-        Ok(resp)
-    }
-
     pub async fn risectl_get_pinned_versions_summary(
         &self,
     ) -> Result<RiseCtlGetPinnedVersionsSummaryResponse> {
@@ -2026,7 +2033,6 @@ macro_rules! for_all_meta_rpc {
             ,{ user_client, revoke_privilege, RevokePrivilegeRequest, RevokePrivilegeResponse }
             ,{ scale_client, get_cluster_info, GetClusterInfoRequest, GetClusterInfoResponse }
             ,{ scale_client, reschedule, RescheduleRequest, RescheduleResponse }
-            ,{ scale_client, get_reschedule_plan, GetReschedulePlanRequest, GetReschedulePlanResponse }
             ,{ notification_client, subscribe, SubscribeRequest, Streaming<SubscribeResponse> }
             ,{ backup_client, backup_meta, BackupMetaRequest, BackupMetaResponse }
             ,{ backup_client, get_backup_job_status, GetBackupJobStatusRequest, GetBackupJobStatusResponse }
diff --git a/src/rpc_client/src/sink_coordinate_client.rs b/src/rpc_client/src/sink_coordinate_client.rs
index 74c05fa85de8e..06602ef4db3b7 100644
--- a/src/rpc_client/src/sink_coordinate_client.rs
+++ b/src/rpc_client/src/sink_coordinate_client.rs
@@ -16,7 +16,7 @@ use std::future::Future;
 
 use anyhow::anyhow;
 use futures::{Stream, TryStreamExt};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_pb::connector_service::coordinate_request::{
     CommitRequest, StartCoordinationRequest,
 };
diff --git a/src/storage/benches/bench_table_watermarks.rs b/src/storage/benches/bench_table_watermarks.rs
index f1fdf66c2f895..aeeee6927d36a 100644
--- a/src/storage/benches/bench_table_watermarks.rs
+++ b/src/storage/benches/bench_table_watermarks.rs
@@ -21,7 +21,7 @@ use std::sync::{Arc, LazyLock};
 use bytes::Bytes;
 use criterion::{criterion_group, criterion_main, BatchSize, Criterion};
 use itertools::Itertools;
-use risingwave_common::buffer::{Bitmap, BitmapBuilder};
+use risingwave_common::bitmap::{Bitmap, BitmapBuilder};
 use risingwave_common::catalog::TableId;
 use risingwave_common::hash::VirtualNode;
 use risingwave_common::util::epoch::test_epoch;
diff --git a/src/storage/compactor/src/lib.rs b/src/storage/compactor/src/lib.rs
index d9fbe5189f43f..22e70ac759aed 100644
--- a/src/storage/compactor/src/lib.rs
+++ b/src/storage/compactor/src/lib.rs
@@ -24,6 +24,7 @@ use risingwave_common::config::{
     AsyncStackTraceOption, CompactorMode, MetricLevel, OverrideConfig,
 };
 use risingwave_common::util::meta_addr::MetaAddressStrategy;
+use risingwave_common::util::tokio_util::sync::CancellationToken;
 
 use crate::server::{compactor_serve, shared_compactor_serve};
 
@@ -108,7 +109,10 @@ impl risingwave_common::opts::Opts for CompactorOpts {
 use std::future::Future;
 use std::pin::Pin;
 
-pub fn start(opts: CompactorOpts) -> Pin<Box<dyn Future<Output = ()> + Send>> {
+pub fn start(
+    opts: CompactorOpts,
+    shutdown: CancellationToken,
+) -> Pin<Box<dyn Future<Output = ()> + Send>> {
     // WARNING: don't change the function signature. Making it `async fn` will cause
     // slow compile in release mode.
     match opts.compactor_mode {
@@ -118,11 +122,7 @@ pub fn start(opts: CompactorOpts) -> Pin<Box<dyn Future<Output = ()> + Send>> {
 
             let listen_addr = opts.listen_addr.parse().unwrap();
 
-            let (join_handle, _shutdown_sender) = shared_compactor_serve(listen_addr, opts).await;
-
-            tracing::info!("Server listening at {}", listen_addr);
-
-            join_handle.await.unwrap();
+            shared_compactor_serve(listen_addr, opts, shutdown).await;
         }),
         None | Some(CompactorMode::Dedicated) => Box::pin(async move {
             tracing::info!("Compactor node options: {:?}", opts);
@@ -140,13 +140,8 @@ pub fn start(opts: CompactorOpts) -> Pin<Box<dyn Future<Output = ()> + Send>> {
                 .parse()
                 .unwrap();
             tracing::info!(" address is {}", advertise_addr);
-            let (join_handle, observer_join_handle, _shutdown_sender) =
-                compactor_serve(listen_addr, advertise_addr, opts).await;
-
-            tracing::info!("Server listening at {}", listen_addr);
 
-            join_handle.await.unwrap();
-            observer_join_handle.abort();
+            compactor_serve(listen_addr, advertise_addr, opts, shutdown).await;
         }),
     }
 }
diff --git a/src/storage/compactor/src/server.rs b/src/storage/compactor/src/server.rs
index 41091e142b838..8d246016858ef 100644
--- a/src/storage/compactor/src/server.rs
+++ b/src/storage/compactor/src/server.rs
@@ -26,6 +26,7 @@ use risingwave_common::telemetry::manager::TelemetryManager;
 use risingwave_common::telemetry::telemetry_env_enabled;
 use risingwave_common::util::addr::HostAddr;
 use risingwave_common::util::resource_util::memory::system_memory_available_bytes;
+use risingwave_common::util::tokio_util::sync::CancellationToken;
 use risingwave_common::{GIT_SHA, RW_VERSION};
 use risingwave_common_heap_profiling::HeapProfiler;
 use risingwave_common_service::metrics_manager::MetricsManager;
@@ -52,8 +53,6 @@ use risingwave_storage::monitor::{
 };
 use risingwave_storage::opts::StorageOpts;
 use tokio::sync::mpsc;
-use tokio::sync::oneshot::Sender;
-use tokio::task::JoinHandle;
 use tonic::transport::Endpoint;
 use tracing::info;
 
@@ -174,11 +173,14 @@ pub async fn prepare_start_parameters(
 }
 
 /// Fetches and runs compaction tasks.
+///
+/// Returns when the `shutdown` token is triggered.
 pub async fn compactor_serve(
     listen_addr: SocketAddr,
     advertise_addr: HostAddr,
     opts: CompactorOpts,
-) -> (JoinHandle<()>, JoinHandle<()>, Sender<()>) {
+    shutdown: CancellationToken,
+) {
     let config = load_config(&opts.config_path, &opts);
     info!("Starting compactor node",);
     info!("> config: {:?}", config);
@@ -200,7 +202,6 @@ pub async fn compactor_serve(
     .unwrap();
 
     info!("Assigned compactor id {}", meta_client.worker_id());
-    meta_client.activate(&advertise_addr).await.unwrap();
 
     let hummock_metrics = Arc::new(GLOBAL_HUMMOCK_METRICS.clone());
 
@@ -234,7 +235,7 @@ pub async fn compactor_serve(
 
     // use half of limit because any memory which would hold in meta-cache will be allocate by
     // limited at first.
-    let observer_join_handle = observer_manager.start().await;
+    let _observer_join_handle = observer_manager.start().await;
 
     let sstable_object_id_manager = Arc::new(SstableObjectIdManager::new(
         hummock_meta_client.clone(),
@@ -259,6 +260,8 @@ pub async fn compactor_serve(
         task_progress_manager: Default::default(),
         await_tree_reg: await_tree_reg.clone(),
     };
+
+    // TODO(shutdown): don't collect sub-tasks as there's no need to gracefully shutdown them.
     let mut sub_tasks = vec![
         MetaClient::start_heartbeat_loop(
             meta_client.clone(),
@@ -287,50 +290,42 @@ pub async fn compactor_serve(
 
     let compactor_srv = CompactorServiceImpl::default();
     let monitor_srv = MonitorServiceImpl::new(await_tree_reg);
-    let (shutdown_send, mut shutdown_recv) = tokio::sync::oneshot::channel();
-    let join_handle = tokio::spawn(async move {
-        tonic::transport::Server::builder()
-            .add_service(CompactorServiceServer::new(compactor_srv))
-            .add_service(MonitorServiceServer::new(monitor_srv))
-            .monitored_serve_with_shutdown(
-                listen_addr,
-                "grpc-compactor-node-service",
-                TcpConfig {
-                    tcp_nodelay: true,
-                    keepalive_duration: None,
-                },
-                async move {
-                    tokio::select! {
-                        _ = tokio::signal::ctrl_c() => {},
-                        _ = &mut shutdown_recv => {
-                            for (join_handle, shutdown_sender) in sub_tasks {
-                                if shutdown_sender.send(()).is_err() {
-                                    tracing::warn!("Failed to send shutdown");
-                                    continue;
-                                }
-                                if join_handle.await.is_err() {
-                                    tracing::warn!("Failed to join shutdown");
-                                }
-                            }
-                        },
-                    }
-                },
-            )
-            .await
-    });
+    let server = tonic::transport::Server::builder()
+        .add_service(CompactorServiceServer::new(compactor_srv))
+        .add_service(MonitorServiceServer::new(monitor_srv))
+        .monitored_serve_with_shutdown(
+            listen_addr,
+            "grpc-compactor-node-service",
+            TcpConfig {
+                tcp_nodelay: true,
+                keepalive_duration: None,
+            },
+            shutdown.clone().cancelled_owned(),
+        );
+    let _server_handle = tokio::spawn(server);
 
     // Boot metrics service.
     if config.server.metrics_level > MetricLevel::Disabled {
         MetricsManager::boot_metrics_service(opts.prometheus_listener_addr.clone());
     }
 
-    (join_handle, observer_join_handle, shutdown_send)
+    // All set, let the meta service know we're ready.
+    meta_client.activate(&advertise_addr).await.unwrap();
+
+    // Wait for the shutdown signal.
+    shutdown.cancelled().await;
+    // Run shutdown logic.
+    meta_client.try_unregister().await;
 }
 
+/// Fetches and runs compaction tasks under shared mode.
+///
+/// Returns when the `shutdown` token is triggered.
 pub async fn shared_compactor_serve(
     listen_addr: SocketAddr,
     opts: CompactorOpts,
-) -> (JoinHandle<()>, Sender<()>) {
+    shutdown: CancellationToken,
+) {
     let config = load_config(&opts.config_path, &opts);
     info!("Starting shared compactor node",);
     info!("> config: {:?}", config);
@@ -373,7 +368,6 @@ pub async fn shared_compactor_serve(
     // Run a background heap profiler
     heap_profiler.start();
 
-    let (shutdown_send, mut shutdown_recv) = tokio::sync::oneshot::channel();
     let compaction_executor = Arc::new(CompactionExecutor::new(
         opts.compaction_worker_threads_number,
     ));
@@ -387,44 +381,35 @@ pub async fn shared_compactor_serve(
         task_progress_manager: Default::default(),
         await_tree_reg,
     };
-    let join_handle = tokio::spawn(async move {
-        tonic::transport::Server::builder()
-            .add_service(CompactorServiceServer::new(compactor_srv))
-            .add_service(MonitorServiceServer::new(monitor_srv))
-            .monitored_serve_with_shutdown(
-                listen_addr,
-                "grpc-compactor-node-service",
-                TcpConfig {
-                    tcp_nodelay: true,
-                    keepalive_duration: None,
-                },
-                async move {
-                    let (join_handle, shutdown_sender) =
-                        risingwave_storage::hummock::compactor::start_shared_compactor(
-                            grpc_proxy_client,
-                            receiver,
-                            compactor_context,
-                        );
-                    tokio::select! {
-                        _ = tokio::signal::ctrl_c() => {},
-                        _ = &mut shutdown_recv => {
-                            if shutdown_sender.send(()).is_err() {
-                                tracing::warn!("Failed to send shutdown");
-                            }
-                            if join_handle.await.is_err() {
-                                tracing::warn!("Failed to join shutdown");
-                            }
-                        },
-                    }
-                },
-            )
-            .await
-    });
+
+    risingwave_storage::hummock::compactor::start_shared_compactor(
+        grpc_proxy_client,
+        receiver,
+        compactor_context,
+    );
+
+    let server = tonic::transport::Server::builder()
+        .add_service(CompactorServiceServer::new(compactor_srv))
+        .add_service(MonitorServiceServer::new(monitor_srv))
+        .monitored_serve_with_shutdown(
+            listen_addr,
+            "grpc-compactor-node-service",
+            TcpConfig {
+                tcp_nodelay: true,
+                keepalive_duration: None,
+            },
+            shutdown.clone().cancelled_owned(),
+        );
+
+    let _server_handle = tokio::spawn(server);
 
     // Boot metrics service.
     if config.server.metrics_level > MetricLevel::Disabled {
         MetricsManager::boot_metrics_service(opts.prometheus_listener_addr.clone());
     }
 
-    (join_handle, shutdown_send)
+    // Wait for the shutdown signal.
+    shutdown.cancelled().await;
+
+    // TODO(shutdown): shall we notify the proxy that we are shutting down?
 }
diff --git a/src/storage/hummock_sdk/src/table_watermark.rs b/src/storage/hummock_sdk/src/table_watermark.rs
index 73f7bac358e1b..1fef491cacedc 100644
--- a/src/storage/hummock_sdk/src/table_watermark.rs
+++ b/src/storage/hummock_sdk/src/table_watermark.rs
@@ -21,7 +21,7 @@ use std::sync::Arc;
 
 use bytes::Bytes;
 use itertools::Itertools;
-use risingwave_common::buffer::{Bitmap, BitmapBuilder};
+use risingwave_common::bitmap::{Bitmap, BitmapBuilder};
 use risingwave_common::catalog::TableId;
 use risingwave_common::hash::{VirtualNode, VnodeBitmapExt};
 use risingwave_common_estimate_size::EstimateSize;
@@ -570,7 +570,7 @@ mod tests {
 
     use bytes::Bytes;
     use itertools::Itertools;
-    use risingwave_common::buffer::{Bitmap, BitmapBuilder};
+    use risingwave_common::bitmap::{Bitmap, BitmapBuilder};
     use risingwave_common::catalog::TableId;
     use risingwave_common::hash::VirtualNode;
     use risingwave_common::util::epoch::{test_epoch, EpochExt};
diff --git a/src/storage/hummock_test/src/compactor_tests.rs b/src/storage/hummock_test/src/compactor_tests.rs
index 2e2f8123be958..e3c19f54e4340 100644
--- a/src/storage/hummock_test/src/compactor_tests.rs
+++ b/src/storage/hummock_test/src/compactor_tests.rs
@@ -23,7 +23,7 @@ pub(crate) mod tests {
     use foyer::CacheContext;
     use itertools::Itertools;
     use rand::{Rng, RngCore, SeedableRng};
-    use risingwave_common::buffer::BitmapBuilder;
+    use risingwave_common::bitmap::BitmapBuilder;
     use risingwave_common::catalog::TableId;
     use risingwave_common::constants::hummock::CompactionFilterFlag;
     use risingwave_common::hash::VirtualNode;
diff --git a/src/storage/hummock_test/src/hummock_read_version_tests.rs b/src/storage/hummock_test/src/hummock_read_version_tests.rs
index 2329970b485f5..310f16ba9c6a3 100644
--- a/src/storage/hummock_test/src/hummock_read_version_tests.rs
+++ b/src/storage/hummock_test/src/hummock_read_version_tests.rs
@@ -19,7 +19,7 @@ use std::sync::Arc;
 use bytes::Bytes;
 use itertools::Itertools;
 use parking_lot::RwLock;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::TableId;
 use risingwave_common::hash::VirtualNode;
 use risingwave_common::util::epoch::{test_epoch, EpochExt};
diff --git a/src/storage/hummock_test/src/hummock_storage_tests.rs b/src/storage/hummock_test/src/hummock_storage_tests.rs
index 5c6e1607de926..8d721e9e560c7 100644
--- a/src/storage/hummock_test/src/hummock_storage_tests.rs
+++ b/src/storage/hummock_test/src/hummock_storage_tests.rs
@@ -19,7 +19,7 @@ use bytes::{BufMut, Bytes};
 use foyer::CacheContext;
 use futures::TryStreamExt;
 use itertools::Itertools;
-use risingwave_common::buffer::BitmapBuilder;
+use risingwave_common::bitmap::BitmapBuilder;
 use risingwave_common::catalog::TableId;
 use risingwave_common::hash::VirtualNode;
 use risingwave_common::range::RangeBoundsExt;
diff --git a/src/storage/hummock_test/src/state_store_tests.rs b/src/storage/hummock_test/src/state_store_tests.rs
index fe129deb52245..2ed1f4359aaa7 100644
--- a/src/storage/hummock_test/src/state_store_tests.rs
+++ b/src/storage/hummock_test/src/state_store_tests.rs
@@ -21,7 +21,7 @@ use expect_test::expect;
 use foyer::CacheContext;
 use futures::{pin_mut, StreamExt};
 use itertools::Itertools;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{TableId, TableOption};
 use risingwave_common::hash::table_distribution::TableDistribution;
 use risingwave_common::hash::VirtualNode;
diff --git a/src/storage/hummock_trace/src/opts.rs b/src/storage/hummock_trace/src/opts.rs
index 07c87f4688042..709595009a329 100644
--- a/src/storage/hummock_trace/src/opts.rs
+++ b/src/storage/hummock_trace/src/opts.rs
@@ -14,7 +14,7 @@
 
 use bincode::{Decode, Encode};
 use foyer::CacheContext;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::cache::CachePriority;
 use risingwave_common::catalog::{TableId, TableOption};
 use risingwave_common::util::epoch::EpochPair;
diff --git a/src/storage/src/hummock/event_handler/hummock_event_handler.rs b/src/storage/src/hummock/event_handler/hummock_event_handler.rs
index e6fc27863315e..b126974c7c085 100644
--- a/src/storage/src/hummock/event_handler/hummock_event_handler.rs
+++ b/src/storage/src/hummock/event_handler/hummock_event_handler.rs
@@ -923,7 +923,7 @@ mod tests {
 
     use futures::FutureExt;
     use parking_lot::Mutex;
-    use risingwave_common::buffer::BitmapBuilder;
+    use risingwave_common::bitmap::BitmapBuilder;
     use risingwave_common::hash::VirtualNode;
     use risingwave_common::util::epoch::{test_epoch, EpochExt};
     use risingwave_hummock_sdk::version::HummockVersion;
diff --git a/src/storage/src/hummock/event_handler/mod.rs b/src/storage/src/hummock/event_handler/mod.rs
index 1d0935c0ac485..996d5d6a6df72 100644
--- a/src/storage/src/hummock/event_handler/mod.rs
+++ b/src/storage/src/hummock/event_handler/mod.rs
@@ -16,7 +16,7 @@ use std::collections::{HashMap, HashSet};
 use std::sync::Arc;
 
 use parking_lot::{RwLock, RwLockReadGuard};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::TableId;
 use risingwave_hummock_sdk::HummockEpoch;
 use thiserror_ext::AsReport;
diff --git a/src/storage/src/hummock/event_handler/uploader.rs b/src/storage/src/hummock/event_handler/uploader.rs
index d25b9abd79c5e..55761f1216183 100644
--- a/src/storage/src/hummock/event_handler/uploader.rs
+++ b/src/storage/src/hummock/event_handler/uploader.rs
@@ -27,7 +27,7 @@ use itertools::Itertools;
 use more_asserts::{assert_ge, assert_gt};
 use prometheus::core::{AtomicU64, GenericGauge};
 use prometheus::{HistogramTimer, IntGauge};
-use risingwave_common::buffer::BitmapBuilder;
+use risingwave_common::bitmap::BitmapBuilder;
 use risingwave_common::catalog::TableId;
 use risingwave_common::hash::VirtualNode;
 use risingwave_common::must_match;
diff --git a/src/storage/src/hummock/iterator/skip_watermark.rs b/src/storage/src/hummock/iterator/skip_watermark.rs
index 7baba6b2977e7..e77c6b4d82a5c 100644
--- a/src/storage/src/hummock/iterator/skip_watermark.rs
+++ b/src/storage/src/hummock/iterator/skip_watermark.rs
@@ -16,7 +16,7 @@ use std::cmp::Ordering;
 use std::collections::{BTreeMap, VecDeque};
 
 use bytes::Bytes;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::TableId;
 use risingwave_common::hash::{VirtualNode, VnodeBitmapExt};
 use risingwave_hummock_sdk::key::FullKey;
diff --git a/src/storage/src/hummock/store/local_hummock_storage.rs b/src/storage/src/hummock/store/local_hummock_storage.rs
index a14f3b450adff..0a96f45de80a5 100644
--- a/src/storage/src/hummock/store/local_hummock_storage.rs
+++ b/src/storage/src/hummock/store/local_hummock_storage.rs
@@ -19,7 +19,7 @@ use std::sync::Arc;
 
 use await_tree::InstrumentAwait;
 use bytes::Bytes;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{TableId, TableOption};
 use risingwave_common::util::epoch::MAX_SPILL_TIMES;
 use risingwave_hummock_sdk::key::{is_empty_key_range, vnode_range, TableKey, TableKeyRange};
@@ -240,27 +240,6 @@ impl LocalHummockStorage {
             )
             .await
     }
-
-    pub async fn may_exist_inner(
-        &self,
-        key_range: TableKeyRange,
-        read_options: ReadOptions,
-    ) -> StorageResult<bool> {
-        if self.mem_table.iter(key_range.clone()).next().is_some() {
-            return Ok(true);
-        }
-
-        let (key_range, read_snapshot) = read_filter_for_version(
-            HummockEpoch::MAX, // Use MAX epoch to make sure we read from latest
-            read_options.table_id,
-            key_range,
-            &self.read_version,
-        )?;
-
-        self.hummock_version_reader
-            .may_exist(key_range, read_options, read_snapshot)
-            .await
-    }
 }
 
 impl StateStoreRead for LocalHummockStorage {
@@ -319,14 +298,6 @@ impl LocalStateStore for LocalHummockStorage {
     type Iter<'a> = LocalHummockStorageIterator<'a>;
     type RevIter<'a> = LocalHummockStorageRevIterator<'a>;
 
-    fn may_exist(
-        &self,
-        key_range: TableKeyRange,
-        read_options: ReadOptions,
-    ) -> impl Future<Output = StorageResult<bool>> + Send + '_ {
-        self.may_exist_inner(key_range, read_options)
-    }
-
     async fn get(
         &self,
         key: TableKey<Bytes>,
diff --git a/src/storage/src/hummock/store/version.rs b/src/storage/src/hummock/store/version.rs
index 9831f57448560..7db6e1edf5e99 100644
--- a/src/storage/src/hummock/store/version.rs
+++ b/src/storage/src/hummock/store/version.rs
@@ -23,12 +23,12 @@ use bytes::Bytes;
 use futures::future::try_join_all;
 use itertools::Itertools;
 use parking_lot::RwLock;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::TableId;
 use risingwave_common::hash::VirtualNode;
 use risingwave_common::util::epoch::MAX_SPILL_TIMES;
 use risingwave_hummock_sdk::key::{
-    bound_table_key_range, is_empty_key_range, FullKey, TableKey, TableKeyRange, UserKey,
+    bound_table_key_range, FullKey, TableKey, TableKeyRange, UserKey,
 };
 use risingwave_hummock_sdk::key_range::KeyRangeCommon;
 use risingwave_hummock_sdk::table_watermark::{
@@ -61,9 +61,7 @@ use crate::hummock::{
 use crate::mem_table::{
     ImmId, ImmutableMemtable, MemTableHummockIterator, MemTableHummockRevIterator,
 };
-use crate::monitor::{
-    GetLocalMetricsGuard, HummockStateStoreMetrics, MayExistLocalMetricsGuard, StoreLocalStatistic,
-};
+use crate::monitor::{GetLocalMetricsGuard, HummockStateStoreMetrics, StoreLocalStatistic};
 use crate::store::{gen_min_epoch, ReadLogOptions, ReadOptions};
 
 pub type CommittedVersion = PinnedVersion;
@@ -913,135 +911,6 @@ impl HummockVersionReader {
         Ok(())
     }
 
-    // Note: this method will not check the kv tomestones and delete range tomestones
-    pub async fn may_exist(
-        &self,
-        table_key_range: TableKeyRange,
-        read_options: ReadOptions,
-        read_version_tuple: ReadVersionTuple,
-    ) -> StorageResult<bool> {
-        if is_empty_key_range(&table_key_range) {
-            return Ok(false);
-        }
-
-        let table_id = read_options.table_id;
-        let (imms, uncommitted_ssts, committed_version) = read_version_tuple;
-        let mut stats_guard =
-            MayExistLocalMetricsGuard::new(self.state_store_metrics.clone(), table_id);
-
-        // 1. check staging data
-        for imm in &imms {
-            if imm.range_exists(&table_key_range) {
-                return Ok(true);
-            }
-        }
-
-        let user_key_range = bound_table_key_range(read_options.table_id, &table_key_range);
-        let user_key_range_ref = (
-            user_key_range.0.as_ref().map(UserKey::as_ref),
-            user_key_range.1.as_ref().map(UserKey::as_ref),
-        );
-        let bloom_filter_prefix_hash = if let Some(prefix_hint) = read_options.prefix_hint {
-            Sstable::hash_for_bloom_filter(&prefix_hint, table_id.table_id)
-        } else {
-            // only use `table_key_range` to see whether all SSTs are filtered out
-            // without looking at bloom filter because prefix_hint is not provided
-            if !uncommitted_ssts.is_empty() {
-                // uncommitted_ssts is already pruned by `table_key_range` so no extra check is
-                // needed.
-                return Ok(true);
-            }
-            for level in committed_version.levels(table_id) {
-                match level.level_type() {
-                    LevelType::Overlapping | LevelType::Unspecified => {
-                        if prune_overlapping_ssts(&level.table_infos, table_id, &table_key_range)
-                            .next()
-                            .is_some()
-                        {
-                            return Ok(true);
-                        }
-                    }
-                    LevelType::Nonoverlapping => {
-                        if prune_nonoverlapping_ssts(&level.table_infos, user_key_range_ref)
-                            .next()
-                            .is_some()
-                        {
-                            return Ok(true);
-                        }
-                    }
-                }
-            }
-            return Ok(false);
-        };
-
-        // 2. order guarantee: imm -> sst
-        for local_sst in &uncommitted_ssts {
-            stats_guard.local_stats.may_exist_check_sstable_count += 1;
-            if hit_sstable_bloom_filter(
-                self.sstable_store
-                    .sstable(local_sst, &mut stats_guard.local_stats)
-                    .await?
-                    .as_ref(),
-                &user_key_range_ref,
-                bloom_filter_prefix_hash,
-                &mut stats_guard.local_stats,
-            ) {
-                return Ok(true);
-            }
-        }
-
-        // 3. read from committed_version sst file
-        // Because SST meta records encoded key range,
-        // the filter key needs to be encoded as well.
-        assert!(committed_version.is_valid());
-        for level in committed_version.levels(table_id) {
-            if level.table_infos.is_empty() {
-                continue;
-            }
-            match level.level_type() {
-                LevelType::Overlapping | LevelType::Unspecified => {
-                    let sstable_infos =
-                        prune_overlapping_ssts(&level.table_infos, table_id, &table_key_range);
-                    for sstable_info in sstable_infos {
-                        stats_guard.local_stats.may_exist_check_sstable_count += 1;
-                        if hit_sstable_bloom_filter(
-                            self.sstable_store
-                                .sstable(sstable_info, &mut stats_guard.local_stats)
-                                .await?
-                                .as_ref(),
-                            &user_key_range_ref,
-                            bloom_filter_prefix_hash,
-                            &mut stats_guard.local_stats,
-                        ) {
-                            return Ok(true);
-                        }
-                    }
-                }
-                LevelType::Nonoverlapping => {
-                    let table_infos =
-                        prune_nonoverlapping_ssts(&level.table_infos, user_key_range_ref);
-
-                    for table_info in table_infos {
-                        stats_guard.local_stats.may_exist_check_sstable_count += 1;
-                        if hit_sstable_bloom_filter(
-                            self.sstable_store
-                                .sstable(table_info, &mut stats_guard.local_stats)
-                                .await?
-                                .as_ref(),
-                            &user_key_range_ref,
-                            bloom_filter_prefix_hash,
-                            &mut stats_guard.local_stats,
-                        ) {
-                            return Ok(true);
-                        }
-                    }
-                }
-            }
-        }
-
-        Ok(false)
-    }
-
     pub async fn iter_log(
         &self,
         version: PinnedVersion,
diff --git a/src/storage/src/mem_table.rs b/src/storage/src/mem_table.rs
index f7c5073a6a8cf..bd4f13b8291d2 100644
--- a/src/storage/src/mem_table.rs
+++ b/src/storage/src/mem_table.rs
@@ -24,7 +24,7 @@ use bytes::Bytes;
 use futures::{pin_mut, Stream, StreamExt};
 use futures_async_stream::try_stream;
 use itertools::Itertools;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{TableId, TableOption};
 use risingwave_common::hash::VnodeBitmapExt;
 use risingwave_common_estimate_size::{EstimateSize, KvSize};
@@ -546,15 +546,6 @@ impl<S: StateStoreWrite + StateStoreRead> LocalStateStore for MemtableLocalState
     type Iter<'a> = impl StateStoreIter + 'a;
     type RevIter<'a> = impl StateStoreIter + 'a;
 
-    #[allow(clippy::unused_async)]
-    async fn may_exist(
-        &self,
-        _key_range: TableKeyRange,
-        _read_options: ReadOptions,
-    ) -> StorageResult<bool> {
-        Ok(true)
-    }
-
     async fn get(
         &self,
         key: TableKey<Bytes>,
diff --git a/src/storage/src/monitor/local_metrics.rs b/src/storage/src/monitor/local_metrics.rs
index c218e484265bf..5fd7fe6c0ef56 100644
--- a/src/storage/src/monitor/local_metrics.rs
+++ b/src/storage/src/monitor/local_metrics.rs
@@ -51,7 +51,6 @@ pub struct StoreLocalStatistic {
     pub staging_sst_iter_count: u64,
     pub overlapping_iter_count: u64,
     pub non_overlapping_iter_count: u64,
-    pub may_exist_check_sstable_count: u64,
     pub sub_iter_count: u64,
     pub found_key: bool,
 
@@ -233,11 +232,9 @@ struct LocalStoreMetrics {
     staging_sst_iter_count: LocalHistogram,
     overlapping_iter_count: LocalHistogram,
     non_overlapping_iter_count: LocalHistogram,
-    may_exist_check_sstable_count: LocalHistogram,
     sub_iter_count: LocalHistogram,
     iter_filter_metrics: BloomFilterLocalMetrics,
     get_filter_metrics: BloomFilterLocalMetrics,
-    may_exist_filter_metrics: BloomFilterLocalMetrics,
     collect_count: usize,
 
     staging_imm_get_count: LocalHistogram,
@@ -324,18 +321,12 @@ impl LocalStoreMetrics {
             .iter_merge_sstable_counts
             .with_label_values(&[table_id_label, "committed-non-overlapping-iter"])
             .local();
-        let may_exist_check_sstable_count = metrics
-            .iter_merge_sstable_counts
-            .with_label_values(&[table_id_label, "may-exist-check-sstable"])
-            .local();
         let sub_iter_count = metrics
             .iter_merge_sstable_counts
             .with_label_values(&[table_id_label, "sub-iter"])
             .local();
         let get_filter_metrics = BloomFilterLocalMetrics::new(metrics, table_id_label, "get");
         let iter_filter_metrics = BloomFilterLocalMetrics::new(metrics, table_id_label, "iter");
-        let may_exist_filter_metrics =
-            BloomFilterLocalMetrics::new(metrics, table_id_label, "may_exist");
 
         let staging_imm_get_count = metrics
             .iter_merge_sstable_counts
@@ -372,10 +363,8 @@ impl LocalStoreMetrics {
             overlapping_iter_count,
             sub_iter_count,
             non_overlapping_iter_count,
-            may_exist_check_sstable_count,
             get_filter_metrics,
             iter_filter_metrics,
-            may_exist_filter_metrics,
             collect_count: 0,
             staging_imm_get_count,
             staging_sst_get_count,
@@ -425,7 +414,6 @@ add_local_metrics_histogram!(
     overlapping_iter_count,
     non_overlapping_iter_count,
     sub_iter_count,
-    may_exist_check_sstable_count,
     staging_imm_get_count,
     staging_sst_get_count,
     overlapping_get_count,
@@ -574,37 +562,3 @@ impl Drop for IterLocalMetricsGuard {
         });
     }
 }
-
-pub struct MayExistLocalMetricsGuard {
-    metrics: Arc<HummockStateStoreMetrics>,
-    table_id: TableId,
-    pub local_stats: StoreLocalStatistic,
-}
-
-impl MayExistLocalMetricsGuard {
-    pub fn new(metrics: Arc<HummockStateStoreMetrics>, table_id: TableId) -> Self {
-        Self {
-            metrics,
-            table_id,
-            local_stats: StoreLocalStatistic::default(),
-        }
-    }
-}
-
-impl Drop for MayExistLocalMetricsGuard {
-    fn drop(&mut self) {
-        LOCAL_METRICS.with_borrow_mut(|local_metrics| {
-            let table_metrics = local_metrics
-                .entry(self.table_id.table_id)
-                .or_insert_with(|| {
-                    LocalStoreMetrics::new(
-                        self.metrics.as_ref(),
-                        self.table_id.to_string().as_str(),
-                    )
-                });
-            self.local_stats.report(table_metrics);
-            self.local_stats
-                .report_bloom_filter_metrics(&table_metrics.may_exist_filter_metrics);
-        });
-    }
-}
diff --git a/src/storage/src/monitor/monitored_storage_metrics.rs b/src/storage/src/monitor/monitored_storage_metrics.rs
index bbf904d38381a..01419586f2eea 100644
--- a/src/storage/src/monitor/monitored_storage_metrics.rs
+++ b/src/storage/src/monitor/monitored_storage_metrics.rs
@@ -18,14 +18,14 @@ use std::sync::{Arc, OnceLock};
 use std::time::{Duration, Instant};
 
 use prometheus::{
-    exponential_buckets, histogram_opts, linear_buckets, register_histogram_vec_with_registry,
-    register_histogram_with_registry, Histogram, Registry,
+    exponential_buckets, histogram_opts, linear_buckets, register_histogram_with_registry,
+    Histogram, Registry,
 };
 use risingwave_common::config::MetricLevel;
 use risingwave_common::metrics::{
     LabelGuardedIntCounterVec, LabelGuardedIntGauge, LabelGuardedLocalHistogram,
     LabelGuardedLocalIntCounter, RelabeledGuardedHistogramVec, RelabeledGuardedIntCounterVec,
-    RelabeledGuardedIntGaugeVec, RelabeledHistogramVec,
+    RelabeledGuardedIntGaugeVec,
 };
 use risingwave_common::monitor::GLOBAL_METRICS_REGISTRY;
 use risingwave_common::{
@@ -55,7 +55,6 @@ pub struct MonitoredStorageMetrics {
 
     // [table_id, op_type]
     pub iter_log_op_type_counts: LabelGuardedIntCounterVec<2>,
-    pub may_exist_duration: RelabeledHistogramVec,
 
     pub sync_duration: Histogram,
     pub sync_size: Histogram,
@@ -239,19 +238,6 @@ impl MonitoredStorageMetrics {
         )
         .unwrap();
 
-        let opts = histogram_opts!(
-            "state_store_may_exist_duration",
-            "Histogram of may exist time that have been issued to state store",
-            buckets,
-        );
-        let may_exist_duration =
-            register_histogram_vec_with_registry!(opts, &["table_id"], registry).unwrap();
-        let may_exist_duration = RelabeledHistogramVec::with_metric_level(
-            MetricLevel::Debug,
-            may_exist_duration,
-            metric_level,
-        );
-
         let opts = histogram_opts!(
             "state_store_sync_duration",
             "Histogram of time spent on compacting shared buffer to remote storage",
@@ -277,7 +263,6 @@ impl MonitoredStorageMetrics {
             iter_counts,
             iter_in_progress_counts,
             iter_log_op_type_counts,
-            may_exist_duration,
             sync_duration,
             sync_size,
         }
diff --git a/src/storage/src/monitor/monitored_store.rs b/src/storage/src/monitor/monitored_store.rs
index 95791714ef64a..2dcb2fb30e7b4 100644
--- a/src/storage/src/monitor/monitored_store.rs
+++ b/src/storage/src/monitor/monitored_store.rs
@@ -19,7 +19,7 @@ use std::sync::Arc;
 use await_tree::InstrumentAwait;
 use bytes::Bytes;
 use futures::{Future, TryFutureExt};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::TableId;
 use risingwave_hummock_sdk::key::{TableKey, TableKeyRange};
 use risingwave_hummock_sdk::HummockReadEpoch;
@@ -205,26 +205,6 @@ impl<S: LocalStateStore> LocalStateStore for MonitoredStateStore<S> {
     type Iter<'a> = impl StateStoreIter + 'a;
     type RevIter<'a> = impl StateStoreIter + 'a;
 
-    async fn may_exist(
-        &self,
-        key_range: TableKeyRange,
-        read_options: ReadOptions,
-    ) -> StorageResult<bool> {
-        let table_id_label = read_options.table_id.to_string();
-        let timer = self
-            .storage_metrics
-            .may_exist_duration
-            .with_label_values(&[table_id_label.as_str()])
-            .start_timer();
-        let res = self
-            .inner
-            .may_exist(key_range, read_options)
-            .verbose_instrument_await("store_may_exist")
-            .await;
-        timer.observe_duration();
-        res
-    }
-
     fn get(
         &self,
         key: TableKey<Bytes>,
diff --git a/src/storage/src/monitor/traced_store.rs b/src/storage/src/monitor/traced_store.rs
index d7b9bd66edcdd..bdd9ce90406fe 100644
--- a/src/storage/src/monitor/traced_store.rs
+++ b/src/storage/src/monitor/traced_store.rs
@@ -17,7 +17,7 @@ use std::sync::Arc;
 
 use bytes::Bytes;
 use futures::{Future, FutureExt};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::TableId;
 use risingwave_hummock_sdk::key::{TableKey, TableKeyRange};
 use risingwave_hummock_sdk::HummockReadEpoch;
@@ -110,14 +110,6 @@ impl<S: LocalStateStore> LocalStateStore for TracedStateStore<S> {
     type Iter<'a> = impl StateStoreIter + 'a;
     type RevIter<'a> = impl StateStoreIter + 'a;
 
-    fn may_exist(
-        &self,
-        key_range: TableKeyRange,
-        read_options: ReadOptions,
-    ) -> impl Future<Output = StorageResult<bool>> + Send + '_ {
-        self.inner.may_exist(key_range, read_options)
-    }
-
     fn get(
         &self,
         key: TableKey<Bytes>,
diff --git a/src/storage/src/opts.rs b/src/storage/src/opts.rs
index 143b6bba37981..4c8d8ae8e2bb9 100644
--- a/src/storage/src/opts.rs
+++ b/src/storage/src/opts.rs
@@ -90,6 +90,7 @@ pub struct StorageOpts {
     pub data_file_cache_insert_rate_limit_mb: usize,
     pub data_file_cache_indexer_shards: usize,
     pub data_file_cache_compression: String,
+    pub data_file_cache_flush_buffer_threshold_mb: usize,
 
     pub cache_refill_data_refill_levels: Vec<u32>,
     pub cache_refill_timeout_ms: u64,
@@ -108,6 +109,7 @@ pub struct StorageOpts {
     pub meta_file_cache_insert_rate_limit_mb: usize,
     pub meta_file_cache_indexer_shards: usize,
     pub meta_file_cache_compression: String,
+    pub meta_file_cache_flush_buffer_threshold_mb: usize,
 
     /// The storage url for storing backups.
     pub backup_storage_url: String,
@@ -183,6 +185,7 @@ impl From<(&RwConfig, &SystemParamsReader, &StorageMemoryConfig)> for StorageOpt
             data_file_cache_insert_rate_limit_mb: c.storage.data_file_cache.insert_rate_limit_mb,
             data_file_cache_indexer_shards: c.storage.data_file_cache.indexer_shards,
             data_file_cache_compression: c.storage.data_file_cache.compression.clone(),
+            data_file_cache_flush_buffer_threshold_mb: s.block_file_cache_flush_buffer_threshold_mb,
             meta_file_cache_dir: c.storage.meta_file_cache.dir.clone(),
             meta_file_cache_capacity_mb: c.storage.meta_file_cache.capacity_mb,
             meta_file_cache_file_capacity_mb: c.storage.meta_file_cache.file_capacity_mb,
@@ -192,6 +195,7 @@ impl From<(&RwConfig, &SystemParamsReader, &StorageMemoryConfig)> for StorageOpt
             meta_file_cache_insert_rate_limit_mb: c.storage.meta_file_cache.insert_rate_limit_mb,
             meta_file_cache_indexer_shards: c.storage.meta_file_cache.indexer_shards,
             meta_file_cache_compression: c.storage.meta_file_cache.compression.clone(),
+            meta_file_cache_flush_buffer_threshold_mb: s.meta_file_cache_flush_buffer_threshold_mb,
             cache_refill_data_refill_levels: c.storage.cache_refill.data_refill_levels.clone(),
             cache_refill_timeout_ms: c.storage.cache_refill.timeout_ms,
             cache_refill_concurrency: c.storage.cache_refill.concurrency,
diff --git a/src/storage/src/panic_store.rs b/src/storage/src/panic_store.rs
index 831f1f09a1c56..7ec0249a3427f 100644
--- a/src/storage/src/panic_store.rs
+++ b/src/storage/src/panic_store.rs
@@ -18,7 +18,7 @@ use std::ops::Bound;
 use std::sync::Arc;
 
 use bytes::Bytes;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::TableId;
 use risingwave_hummock_sdk::key::{TableKey, TableKeyRange};
 use risingwave_hummock_sdk::HummockReadEpoch;
@@ -92,15 +92,6 @@ impl LocalStateStore for PanicStateStore {
     type Iter<'a> = PanicStateStoreIter<StateStoreIterItem>;
     type RevIter<'a> = PanicStateStoreIter<StateStoreIterItem>;
 
-    #[allow(clippy::unused_async)]
-    async fn may_exist(
-        &self,
-        _key_range: TableKeyRange,
-        _read_options: ReadOptions,
-    ) -> StorageResult<bool> {
-        panic!("should not call may_exist from the state store!");
-    }
-
     #[allow(clippy::unused_async)]
     async fn get(
         &self,
diff --git a/src/storage/src/store.rs b/src/storage/src/store.rs
index 9e373d3069bb1..56395d48b624f 100644
--- a/src/storage/src/store.rs
+++ b/src/storage/src/store.rs
@@ -25,7 +25,7 @@ use bytes::Bytes;
 use futures::{Stream, TryStreamExt};
 use futures_async_stream::try_stream;
 use prost::Message;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{TableId, TableOption};
 use risingwave_common::hash::VirtualNode;
 use risingwave_common::util::epoch::{Epoch, EpochPair};
@@ -415,21 +415,6 @@ pub trait LocalStateStore: StaticSendSync {
     /// the previous write epoch is sealed.
     fn seal_current_epoch(&mut self, next_epoch: u64, opts: SealCurrentEpochOptions);
 
-    /// Check existence of a given `key_range`.
-    /// It is better to provide `prefix_hint` in `read_options`, which will be used
-    /// for checking bloom filter if hummock is used. If `prefix_hint` is not provided,
-    /// the false positive rate can be significantly higher because bloom filter cannot
-    /// be used.
-    ///
-    /// Returns:
-    /// - false: `key_range` is guaranteed to be absent in storage.
-    /// - true: `key_range` may or may not exist in storage.
-    fn may_exist(
-        &self,
-        key_range: TableKeyRange,
-        read_options: ReadOptions,
-    ) -> impl Future<Output = StorageResult<bool>> + Send + '_;
-
     // Updates the vnode bitmap corresponding to the local state store
     // Returns the previous vnode bitmap
     fn update_vnode_bitmap(&mut self, vnodes: Arc<Bitmap>) -> Arc<Bitmap>;
diff --git a/src/storage/src/store_impl.rs b/src/storage/src/store_impl.rs
index 3c8284cb55c90..8dd718324d9a5 100644
--- a/src/storage/src/store_impl.rs
+++ b/src/storage/src/store_impl.rs
@@ -214,7 +214,7 @@ pub mod verify {
     use std::sync::Arc;
 
     use bytes::Bytes;
-    use risingwave_common::buffer::Bitmap;
+    use risingwave_common::bitmap::Bitmap;
     use risingwave_common::catalog::TableId;
     use risingwave_hummock_sdk::key::{TableKey, TableKeyRange};
     use risingwave_hummock_sdk::HummockReadEpoch;
@@ -281,7 +281,7 @@ pub mod verify {
 
         // TODO: may avoid manual async fn when the bug of rust compiler is fixed. Currently it will
         // fail to compile.
-        #[allow(clippy::manual_async_fn)]
+        #[expect(clippy::manual_async_fn)]
         fn iter(
             &self,
             key_range: TableKeyRange,
@@ -303,7 +303,7 @@ pub mod verify {
             }
         }
 
-        #[allow(clippy::manual_async_fn)]
+        #[expect(clippy::manual_async_fn)]
         fn rev_iter(
             &self,
             key_range: TableKeyRange,
@@ -408,17 +408,6 @@ pub mod verify {
         type Iter<'a> = impl StateStoreIter + 'a;
         type RevIter<'a> = impl StateStoreIter + 'a;
 
-        // We don't verify `may_exist` across different state stores because
-        // the return value of `may_exist` is implementation specific and may not
-        // be consistent across different state store backends.
-        fn may_exist(
-            &self,
-            key_range: TableKeyRange,
-            read_options: ReadOptions,
-        ) -> impl Future<Output = StorageResult<bool>> + Send + '_ {
-            self.actual.may_exist(key_range, read_options)
-        }
-
         async fn get(
             &self,
             key: TableKey<Bytes>,
@@ -432,7 +421,7 @@ pub mod verify {
             actual
         }
 
-        #[allow(clippy::manual_async_fn)]
+        #[expect(clippy::manual_async_fn)]
         fn iter(
             &self,
             key_range: TableKeyRange,
@@ -453,7 +442,7 @@ pub mod verify {
             }
         }
 
-        #[allow(clippy::manual_async_fn)]
+        #[expect(clippy::manual_async_fn)]
         fn rev_iter(
             &self,
             key_range: TableKeyRange,
@@ -655,6 +644,7 @@ impl StateStoreImpl {
                     .with_indexer_shards(opts.meta_file_cache_indexer_shards)
                     .with_flushers(opts.meta_file_cache_flushers)
                     .with_reclaimers(opts.meta_file_cache_reclaimers)
+                    .with_buffer_threshold(opts.meta_file_cache_flush_buffer_threshold_mb * MB) // 128 MiB
                     .with_clean_region_threshold(
                         opts.meta_file_cache_reclaimers + opts.meta_file_cache_reclaimers / 2,
                     )
@@ -707,6 +697,7 @@ impl StateStoreImpl {
                     .with_indexer_shards(opts.data_file_cache_indexer_shards)
                     .with_flushers(opts.data_file_cache_flushers)
                     .with_reclaimers(opts.data_file_cache_reclaimers)
+                    .with_buffer_threshold(opts.data_file_cache_flush_buffer_threshold_mb * MB) // 128 MiB
                     .with_clean_region_threshold(
                         opts.data_file_cache_reclaimers + opts.data_file_cache_reclaimers / 2,
                     )
@@ -834,7 +825,7 @@ pub mod boxed_state_store {
     use dyn_clone::{clone_trait_object, DynClone};
     use futures::future::BoxFuture;
     use futures::FutureExt;
-    use risingwave_common::buffer::Bitmap;
+    use risingwave_common::bitmap::Bitmap;
     use risingwave_common::catalog::TableId;
     use risingwave_hummock_sdk::key::{TableKey, TableKeyRange};
     use risingwave_hummock_sdk::{HummockReadEpoch, SyncResult};
@@ -948,12 +939,6 @@ pub mod boxed_state_store {
     pub type BoxLocalStateStoreIterStream<'a> = BoxStateStoreIter<'a, StateStoreIterItem>;
     #[async_trait::async_trait]
     pub trait DynamicDispatchedLocalStateStore: StaticSendSync {
-        async fn may_exist(
-            &self,
-            key_range: TableKeyRange,
-            read_options: ReadOptions,
-        ) -> StorageResult<bool>;
-
         async fn get(
             &self,
             key: TableKey<Bytes>,
@@ -998,14 +983,6 @@ pub mod boxed_state_store {
 
     #[async_trait::async_trait]
     impl<S: LocalStateStore> DynamicDispatchedLocalStateStore for S {
-        async fn may_exist(
-            &self,
-            key_range: TableKeyRange,
-            read_options: ReadOptions,
-        ) -> StorageResult<bool> {
-            self.may_exist(key_range, read_options).await
-        }
-
         async fn get(
             &self,
             key: TableKey<Bytes>,
@@ -1078,14 +1055,6 @@ pub mod boxed_state_store {
         type Iter<'a> = BoxLocalStateStoreIterStream<'a>;
         type RevIter<'a> = BoxLocalStateStoreIterStream<'a>;
 
-        fn may_exist(
-            &self,
-            key_range: TableKeyRange,
-            read_options: ReadOptions,
-        ) -> impl Future<Output = StorageResult<bool>> + Send + '_ {
-            self.deref().may_exist(key_range, read_options)
-        }
-
         fn get(
             &self,
             key: TableKey<Bytes>,
diff --git a/src/storage/src/table/batch_table/storage_table.rs b/src/storage/src/table/batch_table/storage_table.rs
index e5f2801b05022..7f202bfd2b261 100644
--- a/src/storage/src/table/batch_table/storage_table.rs
+++ b/src/storage/src/table/batch_table/storage_table.rs
@@ -26,7 +26,7 @@ use futures_async_stream::try_stream;
 use itertools::{Either, Itertools};
 use more_asserts::assert_gt;
 use risingwave_common::array::{ArrayBuilderImpl, ArrayRef, DataChunk, Op};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{ColumnDesc, ColumnId, Schema, TableId, TableOption};
 use risingwave_common::hash::{VirtualNode, VnodeBitmapExt};
 use risingwave_common::row::{self, OwnedRow, Row, RowExt};
diff --git a/src/stream/src/cache/mod.rs b/src/stream/src/cache/mod.rs
index 292500728f832..d127c4512dc67 100644
--- a/src/stream/src/cache/mod.rs
+++ b/src/stream/src/cache/mod.rs
@@ -14,7 +14,7 @@
 
 mod managed_lru;
 pub use managed_lru::*;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::util::iter_util::ZipEqFast;
 
 /// Returns whether we're unsure about the fressness of the cache after the scaling from the
diff --git a/src/stream/src/common/log_store_impl/in_mem.rs b/src/stream/src/common/log_store_impl/in_mem.rs
index d1ce2e6e5aa35..16de320aa7edd 100644
--- a/src/stream/src/common/log_store_impl/in_mem.rs
+++ b/src/stream/src/common/log_store_impl/in_mem.rs
@@ -17,7 +17,7 @@ use std::sync::Arc;
 use anyhow::{anyhow, Context};
 use await_tree::InstrumentAwait;
 use risingwave_common::array::StreamChunk;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::util::epoch::{EpochExt, EpochPair, INVALID_EPOCH};
 use risingwave_connector::sink::log_store::{
     LogReader, LogStoreFactory, LogStoreReadItem, LogStoreResult, LogWriter, TruncateOffset,
diff --git a/src/stream/src/common/log_store_impl/kv_log_store/buffer.rs b/src/stream/src/common/log_store_impl/kv_log_store/buffer.rs
index 85926a82373da..df0c471f1da68 100644
--- a/src/stream/src/common/log_store_impl/kv_log_store/buffer.rs
+++ b/src/stream/src/common/log_store_impl/kv_log_store/buffer.rs
@@ -19,7 +19,7 @@ use std::sync::Arc;
 use await_tree::InstrumentAwait;
 use parking_lot::{Mutex, MutexGuard};
 use risingwave_common::array::StreamChunk;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_connector::sink::log_store::{ChunkId, LogStoreResult, TruncateOffset};
 use tokio::sync::{oneshot, Notify};
 
diff --git a/src/stream/src/common/log_store_impl/kv_log_store/mod.rs b/src/stream/src/common/log_store_impl/kv_log_store/mod.rs
index 73dca8b1956bd..9f9d2e3abe37f 100644
--- a/src/stream/src/common/log_store_impl/kv_log_store/mod.rs
+++ b/src/stream/src/common/log_store_impl/kv_log_store/mod.rs
@@ -14,7 +14,7 @@
 
 use std::sync::Arc;
 
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{TableId, TableOption};
 use risingwave_common::metrics::{
     LabelGuardedHistogram, LabelGuardedIntCounter, LabelGuardedIntGauge,
@@ -432,7 +432,7 @@ mod tests {
 
     use itertools::Itertools;
     use risingwave_common::array::StreamChunk;
-    use risingwave_common::buffer::{Bitmap, BitmapBuilder};
+    use risingwave_common::bitmap::{Bitmap, BitmapBuilder};
     use risingwave_common::hash::VirtualNode;
     use risingwave_common::util::epoch::{EpochExt, EpochPair};
     use risingwave_connector::sink::log_store::{
diff --git a/src/stream/src/common/log_store_impl/kv_log_store/reader.rs b/src/stream/src/common/log_store_impl/kv_log_store/reader.rs
index 4df114ab3df11..a113a9828d8cc 100644
--- a/src/stream/src/common/log_store_impl/kv_log_store/reader.rs
+++ b/src/stream/src/common/log_store_impl/kv_log_store/reader.rs
@@ -25,7 +25,7 @@ use foyer::CacheContext;
 use futures::future::{try_join_all, BoxFuture};
 use futures::{FutureExt, TryFutureExt};
 use risingwave_common::array::StreamChunk;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::TableId;
 use risingwave_common::hash::VnodeBitmapExt;
 use risingwave_common::metrics::{LabelGuardedHistogram, LabelGuardedIntCounter};
diff --git a/src/stream/src/common/log_store_impl/kv_log_store/serde.rs b/src/stream/src/common/log_store_impl/kv_log_store/serde.rs
index f016257b6c008..f576d688f20e8 100644
--- a/src/stream/src/common/log_store_impl/kv_log_store/serde.rs
+++ b/src/stream/src/common/log_store_impl/kv_log_store/serde.rs
@@ -23,7 +23,7 @@ use futures::{pin_mut, Stream, StreamExt, TryStreamExt};
 use futures_async_stream::try_stream;
 use itertools::Itertools;
 use risingwave_common::array::{Op, StreamChunk};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::ColumnDesc;
 use risingwave_common::hash::VirtualNode;
 use risingwave_common::row::{OwnedRow, Row, RowExt};
@@ -935,7 +935,7 @@ mod tests {
     use rand::prelude::SliceRandom;
     use rand::thread_rng;
     use risingwave_common::array::{Op, StreamChunk};
-    use risingwave_common::buffer::Bitmap;
+    use risingwave_common::bitmap::Bitmap;
     use risingwave_common::hash::VirtualNode;
     use risingwave_common::row::{OwnedRow, Row};
     use risingwave_common::types::DataType;
diff --git a/src/stream/src/common/log_store_impl/kv_log_store/test_utils.rs b/src/stream/src/common/log_store_impl/kv_log_store/test_utils.rs
index ef7c39c580982..5fc10cd0cc58a 100644
--- a/src/stream/src/common/log_store_impl/kv_log_store/test_utils.rs
+++ b/src/stream/src/common/log_store_impl/kv_log_store/test_utils.rs
@@ -15,7 +15,7 @@
 use itertools::{zip_eq, Itertools};
 use rand::RngCore;
 use risingwave_common::array::{Op, RowRef, StreamChunk};
-use risingwave_common::buffer::{Bitmap, BitmapBuilder};
+use risingwave_common::bitmap::{Bitmap, BitmapBuilder};
 use risingwave_common::catalog::{ColumnDesc, ColumnId, TableId};
 use risingwave_common::hash::VirtualNode;
 use risingwave_common::row::{OwnedRow, Row};
diff --git a/src/stream/src/common/log_store_impl/kv_log_store/writer.rs b/src/stream/src/common/log_store_impl/kv_log_store/writer.rs
index 96702cb5bf7e3..120a49e8e7ee3 100644
--- a/src/stream/src/common/log_store_impl/kv_log_store/writer.rs
+++ b/src/stream/src/common/log_store_impl/kv_log_store/writer.rs
@@ -17,7 +17,7 @@ use std::sync::Arc;
 use anyhow::anyhow;
 use itertools::Itertools;
 use risingwave_common::array::StreamChunk;
-use risingwave_common::buffer::{Bitmap, BitmapBuilder};
+use risingwave_common::bitmap::{Bitmap, BitmapBuilder};
 use risingwave_common::catalog::TableId;
 use risingwave_common::hash::{VirtualNode, VnodeBitmapExt};
 use risingwave_common::util::epoch::EpochPair;
diff --git a/src/stream/src/common/table/state_table.rs b/src/stream/src/common/table/state_table.rs
index 98c8517cfbbc3..babc2d401e7ef 100644
--- a/src/stream/src/common/table/state_table.rs
+++ b/src/stream/src/common/table/state_table.rs
@@ -25,7 +25,7 @@ use futures_async_stream::for_await;
 use itertools::{izip, Itertools};
 use risingwave_common::array::stream_record::Record;
 use risingwave_common::array::{ArrayImplBuilder, ArrayRef, DataChunk, Op, StreamChunk};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{
     get_dist_key_in_pk_indices, ColumnDesc, ColumnId, TableId, TableOption,
 };
@@ -39,8 +39,8 @@ use risingwave_common::util::row_serde::OrderedRowSerde;
 use risingwave_common::util::sort_util::OrderType;
 use risingwave_common::util::value_encoding::BasicSerde;
 use risingwave_hummock_sdk::key::{
-    end_bound_of_prefix, prefixed_range_with_vnode, range_of_prefix,
-    start_bound_of_excluded_prefix, TableKey, TableKeyRange,
+    end_bound_of_prefix, prefixed_range_with_vnode, start_bound_of_excluded_prefix, TableKey,
+    TableKeyRange,
 };
 use risingwave_hummock_sdk::table_watermark::{VnodeWatermark, WatermarkDirection};
 use risingwave_pb::catalog::Table;
@@ -1567,51 +1567,6 @@ where
             .map_err(StreamExecutorError::from)
     }
 
-    /// Returns:
-    /// false: the provided pk prefix is absent in state store.
-    /// true: the provided pk prefix may or may not be present in state store.
-    pub async fn may_exist(&self, pk_prefix: impl Row) -> StreamExecutorResult<bool> {
-        let prefix_serializer = self.pk_serde.prefix(pk_prefix.len());
-        let encoded_prefix = serialize_pk(&pk_prefix, &prefix_serializer);
-        let encoded_key_range = range_of_prefix(&encoded_prefix);
-
-        // We assume that all usages of iterating the state table only access a single vnode.
-        // If this assertion fails, then something must be wrong with the operator implementation or
-        // the distribution derivation from the optimizer.
-        let vnode = self.compute_prefix_vnode(&pk_prefix);
-        let table_key_range = prefixed_range_with_vnode(encoded_key_range, vnode);
-
-        // Construct prefix hint for prefix bloom filter.
-        if self.prefix_hint_len != 0 {
-            debug_assert_eq!(self.prefix_hint_len, pk_prefix.len());
-        }
-        let prefix_hint = {
-            if self.prefix_hint_len == 0 || self.prefix_hint_len > pk_prefix.len() {
-                panic!();
-            } else {
-                let encoded_prefix_len = self
-                    .pk_serde
-                    .deserialize_prefix_len(&encoded_prefix, self.prefix_hint_len)?;
-
-                Some(Bytes::copy_from_slice(
-                    &encoded_prefix[..encoded_prefix_len],
-                ))
-            }
-        };
-
-        let read_options = ReadOptions {
-            prefix_hint,
-            table_id: self.table_id,
-            cache_policy: CachePolicy::Fill(CacheContext::Default),
-            ..Default::default()
-        };
-
-        self.local_store
-            .may_exist(table_key_range, read_options)
-            .await
-            .map_err(Into::into)
-    }
-
     #[cfg(test)]
     pub fn get_watermark_cache(&self) -> &StateTableWatermarkCache {
         &self.watermark_cache
diff --git a/src/stream/src/common/table/test_state_table.rs b/src/stream/src/common/table/test_state_table.rs
index 4ef3381871cbf..89944cdfc4879 100644
--- a/src/stream/src/common/table/test_state_table.rs
+++ b/src/stream/src/common/table/test_state_table.rs
@@ -16,7 +16,7 @@ use std::ops::Bound::{self, *};
 
 use futures::{pin_mut, StreamExt};
 use risingwave_common::array::{Op, StreamChunk};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{ColumnDesc, ColumnId, TableId};
 use risingwave_common::row::{self, OwnedRow};
 use risingwave_common::types::{DataType, Scalar, Timestamptz};
@@ -24,11 +24,9 @@ use risingwave_common::util::epoch::{test_epoch, EpochPair};
 use risingwave_common::util::sort_util::OrderType;
 use risingwave_common::util::value_encoding::BasicSerde;
 use risingwave_hummock_test::test_utils::prepare_hummock_test_env;
-use risingwave_rpc_client::HummockMetaClient;
 use risingwave_storage::hummock::HummockStorage;
 use risingwave_storage::store::PrefetchOptions;
 use risingwave_storage::table::DEFAULT_VNODE;
-use risingwave_storage::StateStore;
 
 use crate::common::table::state_table::{
     ReplicatedStateTable, StateTable, WatermarkCacheStateTable,
@@ -1269,190 +1267,6 @@ async fn test_state_table_write_chunk_value_indices() {
     );
 }
 
-async fn check_may_exist<S>(
-    state_table: &StateTable<S>,
-    existent_prefix: Vec<i32>,
-    non_existent_prefix: Vec<i32>,
-) where
-    S: StateStore,
-{
-    for prefix in existent_prefix {
-        let pk_prefix = OwnedRow::new(vec![Some(prefix.into())]);
-        assert!(state_table.may_exist(&pk_prefix).await.unwrap());
-    }
-    for prefix in non_existent_prefix {
-        let pk_prefix = OwnedRow::new(vec![Some(prefix.into())]);
-        assert!(!state_table.may_exist(&pk_prefix).await.unwrap());
-    }
-}
-
-#[tokio::test]
-async fn test_state_table_may_exist() {
-    const TEST_TABLE_ID: TableId = TableId { table_id: 233 };
-    let test_env = prepare_hummock_test_env().await;
-
-    // let pk_columns = vec![0, 1]; leave a message to indicate pk columns
-    let order_types = vec![OrderType::ascending(), OrderType::descending()];
-
-    let column_ids = [ColumnId::from(0), ColumnId::from(1), ColumnId::from(2)];
-    let column_descs = vec![
-        ColumnDesc::unnamed(column_ids[0], DataType::Int32),
-        ColumnDesc::unnamed(column_ids[1], DataType::Int32),
-        ColumnDesc::unnamed(column_ids[2], DataType::Int32),
-    ];
-    let pk_index = vec![0_usize, 1_usize];
-    let read_prefix_len_hint = 1;
-    let table = gen_prost_table(
-        TEST_TABLE_ID,
-        column_descs,
-        order_types,
-        pk_index,
-        read_prefix_len_hint,
-    );
-
-    test_env.register_table(table.clone()).await;
-    let mut state_table =
-        StateTable::from_table_catalog_inconsistent_op(&table, test_env.storage.clone(), None)
-            .await;
-
-    let mut epoch = EpochPair::new_test_epoch(test_epoch(1));
-    state_table.init_epoch(epoch);
-
-    state_table.insert(OwnedRow::new(vec![
-        Some(1_i32.into()),
-        Some(11_i32.into()),
-        Some(111_i32.into()),
-    ]));
-    state_table.insert(OwnedRow::new(vec![
-        Some(1_i32.into()),
-        Some(22_i32.into()),
-        Some(222_i32.into()),
-    ]));
-
-    state_table.insert(OwnedRow::new(vec![
-        Some(4_i32.into()),
-        Some(44_i32.into()),
-        Some(444_i32.into()),
-    ]));
-
-    state_table.insert(OwnedRow::new(vec![
-        Some(1_i32.into()),
-        Some(55_i32.into()),
-        Some(555_i32.into()),
-    ]));
-
-    // test may_exist with data only in memtable (e1)
-    check_may_exist(&state_table, vec![1, 4], vec![2, 3, 6, 12]).await;
-
-    epoch.inc_for_test();
-    state_table.commit(epoch).await.unwrap();
-    let e1 = epoch.prev;
-
-    // test may_exist with data only in immutable memtable (e1)
-    check_may_exist(&state_table, vec![1, 4], vec![2, 3, 6, 12]).await;
-
-    let e1_res = test_env.storage.seal_and_sync_epoch(e1).await.unwrap();
-
-    // test may_exist with data only in uncommitted ssts (e1)
-    check_may_exist(&state_table, vec![1, 4], vec![2, 3, 6, 12]).await;
-
-    test_env.meta_client.commit_epoch(e1, e1_res).await.unwrap();
-    test_env.storage.try_wait_epoch_for_test(e1).await;
-
-    // test may_exist with data only in committed ssts (e1)
-    check_may_exist(&state_table, vec![1, 4], vec![2, 3, 6, 12]).await;
-
-    state_table.insert(OwnedRow::new(vec![
-        Some(1_i32.into()),
-        Some(33_i32.into()),
-        Some(333_i32.into()),
-    ]));
-    state_table.insert(OwnedRow::new(vec![
-        Some(1_i32.into()),
-        Some(55_i32.into()),
-        Some(5555_i32.into()),
-    ]));
-    state_table.insert(OwnedRow::new(vec![
-        Some(6_i32.into()),
-        Some(66_i32.into()),
-        Some(666_i32.into()),
-    ]));
-
-    // test may_exist with data in memtable (e2), committed ssts (e1)
-    check_may_exist(&state_table, vec![1, 4, 6], vec![2, 3, 12]).await;
-
-    epoch.inc_for_test();
-    state_table.commit(epoch).await.unwrap();
-    let e2 = epoch.prev;
-
-    // test may_exist with data in immutable memtable (e2), committed ssts (e1)
-    check_may_exist(&state_table, vec![1, 4, 6], vec![2, 3, 12]).await;
-
-    state_table.insert(OwnedRow::new(vec![
-        Some(1_i32.into()),
-        Some(44_i32.into()),
-        Some(444_i32.into()),
-    ]));
-    state_table.insert(OwnedRow::new(vec![
-        Some(3_i32.into()),
-        Some(1_i32.into()),
-        Some(111_i32.into()),
-    ]));
-
-    // test may_exist with data in memtable (e3), immutable memtable (e2), committed ssts (e1)
-    check_may_exist(&state_table, vec![1, 3, 4, 6], vec![2, 12]).await;
-
-    let e2_res = test_env.storage.seal_and_sync_epoch(e2).await.unwrap();
-
-    // test may_exist with data in memtable (e3), uncommitted ssts (e2), committed ssts (e1)
-    check_may_exist(&state_table, vec![1, 3, 4, 6], vec![2, 12]).await;
-
-    epoch.inc_for_test();
-    state_table.commit(epoch).await.unwrap();
-    let e3 = epoch.prev;
-
-    // test may_exist with data in immutable memtable (e3), uncommitted ssts (e2), committed
-    // ssts (e1)
-    check_may_exist(&state_table, vec![1, 3, 4, 6], vec![2, 12]).await;
-
-    state_table.insert(OwnedRow::new(vec![
-        Some(1_i32.into()),
-        Some(55_i32.into()),
-        Some(555_i32.into()),
-    ]));
-    state_table.insert(OwnedRow::new(vec![
-        Some(2_i32.into()),
-        Some(1_i32.into()),
-        Some(111_i32.into()),
-    ]));
-
-    // test may_exist with data in memtable (e4), immutable memtable (e3), uncommitted ssts
-    // (e2), committed ssts (e1)
-    check_may_exist(&state_table, vec![1, 3, 4, 6], vec![12]).await;
-
-    test_env.meta_client.commit_epoch(e2, e2_res).await.unwrap();
-    test_env.storage.try_wait_epoch_for_test(e2).await;
-
-    epoch.inc_for_test();
-    state_table.commit(epoch).await.unwrap();
-    let e4 = epoch.prev;
-
-    let e3_res = test_env.storage.seal_and_sync_epoch(e3).await.unwrap();
-    let e4_res = test_env.storage.seal_and_sync_epoch(e4).await.unwrap();
-
-    // test may_exist with data in uncommitted ssts (e3, e4), committed ssts (e1, e2, e3, e4)
-    check_may_exist(&state_table, vec![1, 3, 4, 6], vec![12]).await;
-
-    test_env.meta_client.commit_epoch(e3, e3_res).await.unwrap();
-    test_env.storage.try_wait_epoch_for_test(e3).await;
-
-    test_env.meta_client.commit_epoch(e4, e4_res).await.unwrap();
-    test_env.storage.try_wait_epoch_for_test(e4).await;
-
-    // test may_exist with data in committed ssts (e1, e2, e3, e4)
-    check_may_exist(&state_table, vec![1, 3, 4, 6], vec![12]).await;
-}
-
 // After NULL watermark col values are inserted & deleted, they should not appear in the state table
 // cache. Test for apply_batch.
 #[tokio::test]
diff --git a/src/stream/src/executor/aggregation/agg_group.rs b/src/stream/src/executor/aggregation/agg_group.rs
index 325a9001811e6..47259890abd48 100644
--- a/src/stream/src/executor/aggregation/agg_group.rs
+++ b/src/stream/src/executor/aggregation/agg_group.rs
@@ -18,7 +18,7 @@ use std::sync::Arc;
 
 use risingwave_common::array::stream_record::{Record, RecordType};
 use risingwave_common::array::StreamChunk;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::Schema;
 use risingwave_common::must_match;
 use risingwave_common::row::{OwnedRow, Row, RowExt};
diff --git a/src/stream/src/executor/aggregation/agg_state.rs b/src/stream/src/executor/aggregation/agg_state.rs
index 6ef55fcedd5ed..a0fe4ffa97fe6 100644
--- a/src/stream/src/executor/aggregation/agg_state.rs
+++ b/src/stream/src/executor/aggregation/agg_state.rs
@@ -13,7 +13,7 @@
 // limitations under the License.
 
 use risingwave_common::array::StreamChunk;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::Schema;
 use risingwave_common::must_match;
 use risingwave_common::types::Datum;
diff --git a/src/stream/src/executor/aggregation/distinct.rs b/src/stream/src/executor/aggregation/distinct.rs
index 3433708957aba..ee54f524e592d 100644
--- a/src/stream/src/executor/aggregation/distinct.rs
+++ b/src/stream/src/executor/aggregation/distinct.rs
@@ -18,7 +18,7 @@ use std::sync::atomic::AtomicU64;
 
 use itertools::Itertools;
 use risingwave_common::array::{ArrayRef, Op};
-use risingwave_common::buffer::{Bitmap, BitmapBuilder};
+use risingwave_common::bitmap::{Bitmap, BitmapBuilder};
 use risingwave_common::row::{self, CompactedRow, RowExt};
 use risingwave_common::util::iter_util::ZipEqFast;
 
diff --git a/src/stream/src/executor/aggregation/mod.rs b/src/stream/src/executor/aggregation/mod.rs
index 619a2bc8df527..0ef7ef98c6ceb 100644
--- a/src/stream/src/executor/aggregation/mod.rs
+++ b/src/stream/src/executor/aggregation/mod.rs
@@ -18,7 +18,7 @@ pub use distinct::*;
 use risingwave_common::array::ArrayImpl::Bool;
 use risingwave_common::array::DataChunk;
 use risingwave_common::bail;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_expr::aggregate::{AggCall, AggKind};
 use risingwave_expr::expr::{LogReport, NonStrictExpression};
 use risingwave_storage::StateStore;
diff --git a/src/stream/src/executor/backfill/cdc/cdc_backfill.rs b/src/stream/src/executor/backfill/cdc/cdc_backfill.rs
index 4e564130accbb..59686f4bb8fdd 100644
--- a/src/stream/src/executor/backfill/cdc/cdc_backfill.rs
+++ b/src/stream/src/executor/backfill/cdc/cdc_backfill.rs
@@ -42,6 +42,7 @@ use crate::executor::backfill::utils::{
 use crate::executor::backfill::CdcScanOptions;
 use crate::executor::monitor::CdcBackfillMetrics;
 use crate::executor::prelude::*;
+use crate::executor::UpdateMutation;
 use crate::task::CreateMviewProgress;
 
 /// `split_id`, `is_finished`, `row_count`, `cdc_offset` all occupy 1 column each.
@@ -135,7 +136,7 @@ impl<S: StateStore> CdcBackfillExecutor<S> {
         let pk_indices = self.external_table.pk_indices().to_vec();
         let pk_order = self.external_table.pk_order_types().to_vec();
 
-        let upstream_table_id = self.external_table.table_id().table_id;
+        let table_id = self.external_table.table_id().table_id;
         let upstream_table_name = self.external_table.qualified_table_name();
         let schema_table_name = self.external_table.schema_table_name().clone();
         let external_database_name = self.external_table.database_name().to_owned();
@@ -157,7 +158,7 @@ impl<S: StateStore> CdcBackfillExecutor<S> {
         // Poll the upstream to get the first barrier.
         let first_barrier = expect_first_barrier(&mut upstream).await?;
 
-        let mut paused = first_barrier.is_pause_on_startup();
+        let mut is_snapshot_paused = first_barrier.is_pause_on_startup();
 
         // Check whether this parallelism has been assigned splits,
         // if not, we should bypass the backfill directly.
@@ -192,11 +193,12 @@ impl<S: StateStore> CdcBackfillExecutor<S> {
         let mut consumed_binlog_offset: Option<CdcOffset> = None;
 
         tracing::info!(
-            upstream_table_id,
+            table_id,
             upstream_table_name,
             initial_binlog_offset = ?last_binlog_offset,
             ?current_pk_pos,
             is_finished = state.is_finished,
+            is_snapshot_paused,
             snapshot_row_count = total_snapshot_row_count,
             rate_limit = self.rate_limit_rps,
             disable_backfill = self.options.disable_backfill,
@@ -234,6 +236,27 @@ impl<S: StateStore> CdcBackfillExecutor<S> {
             for msg in upstream.by_ref() {
                 match msg? {
                     Message::Barrier(barrier) => {
+                        match barrier.mutation.as_deref() {
+                            Some(crate::executor::Mutation::Pause) => {
+                                is_snapshot_paused = true;
+                                tracing::info!(
+                                    table_id,
+                                    upstream_table_name,
+                                    "snapshot is paused by barrier"
+                                );
+                            }
+                            Some(crate::executor::Mutation::Resume) => {
+                                is_snapshot_paused = false;
+                                tracing::info!(
+                                    table_id,
+                                    upstream_table_name,
+                                    "snapshot is resumed by barrier"
+                                );
+                            }
+                            _ => {
+                                // ignore other mutations
+                            }
+                        }
                         // commit state just to bump the epoch of state table
                         state_impl.commit_state(barrier.epoch).await?;
                         yield Message::Barrier(barrier);
@@ -248,10 +271,11 @@ impl<S: StateStore> CdcBackfillExecutor<S> {
                 }
             }
 
-            tracing::info!(upstream_table_id,
+            tracing::info!(table_id,
                 upstream_table_name,
                 initial_binlog_offset = ?last_binlog_offset,
                 ?current_pk_pos,
+                is_snapshot_paused,
                 "start cdc backfill loop");
 
             // the buffer will be drained when a barrier comes
@@ -274,9 +298,9 @@ impl<S: StateStore> CdcBackfillExecutor<S> {
                     .snapshot_read_full_table(read_args, self.options.snapshot_batch_size)
                     .map(Either::Right));
 
-                let (right_snapshot, valve) = pausable(right_snapshot);
-                if paused {
-                    valve.pause();
+                let (right_snapshot, snapshot_valve) = pausable(right_snapshot);
+                if is_snapshot_paused {
+                    snapshot_valve.pause();
                 }
 
                 // Prefer to select upstream, so we can stop snapshot stream when barrier comes.
@@ -306,12 +330,12 @@ impl<S: StateStore> CdcBackfillExecutor<S> {
                                         use crate::executor::Mutation;
                                         match mutation {
                                             Mutation::Pause => {
-                                                paused = true;
-                                                valve.pause();
+                                                is_snapshot_paused = true;
+                                                snapshot_valve.pause();
                                             }
                                             Mutation::Resume => {
-                                                paused = false;
-                                                valve.resume();
+                                                is_snapshot_paused = false;
+                                                snapshot_valve.resume();
                                             }
                                             Mutation::Throttle(some) => {
                                                 if let Some(new_rate_limit) =
@@ -323,6 +347,21 @@ impl<S: StateStore> CdcBackfillExecutor<S> {
                                                     continue 'backfill_loop;
                                                 }
                                             }
+                                            Mutation::Update(UpdateMutation {
+                                                dropped_actors,
+                                                ..
+                                            }) => {
+                                                if dropped_actors.contains(&self.actor_ctx.id) {
+                                                    // the actor has been dropped, exit the backfill loop
+                                                    tracing::info!(
+                                                        table_id,
+                                                        upstream_table_name,
+                                                        "CdcBackfill has been dropped due to config change"
+                                                    );
+                                                    yield Message::Barrier(barrier);
+                                                    break 'backfill_loop;
+                                                }
+                                            }
                                             _ => (),
                                         }
                                     }
@@ -339,7 +378,7 @@ impl<S: StateStore> CdcBackfillExecutor<S> {
                                         // staging the barrier
                                         pending_barrier = Some(barrier);
                                         tracing::debug!(
-                                            upstream_table_id,
+                                            table_id,
                                             ?current_pk_pos,
                                             ?snapshot_read_row_cnt,
                                             "Prepare to start a new snapshot"
@@ -406,7 +445,7 @@ impl<S: StateStore> CdcBackfillExecutor<S> {
                             match msg? {
                                 None => {
                                     tracing::info!(
-                                        upstream_table_id,
+                                        table_id,
                                         ?last_binlog_offset,
                                         ?current_pk_pos,
                                         "snapshot read stream ends"
@@ -457,14 +496,20 @@ impl<S: StateStore> CdcBackfillExecutor<S> {
                 // Otherwise, the result set of the new snapshot stream may become empty.
                 // It maybe a cancellation bug of the mysql driver.
                 let (_, mut snapshot_stream) = backfill_stream.into_inner();
-                if let Some(msg) = snapshot_stream.next().await {
+
+                if !is_snapshot_paused
+                    && let Some(msg) = snapshot_stream
+                        .next()
+                        .instrument_await("consume_snapshot_stream_once")
+                        .await
+                {
                     let Either::Right(msg) = msg else {
                         bail!("BUG: snapshot_read contains upstream messages");
                     };
                     match msg? {
                         None => {
                             tracing::info!(
-                                upstream_table_id,
+                                table_id,
                                 ?last_binlog_offset,
                                 ?current_pk_pos,
                                 "snapshot read stream ends in the force emit branch"
@@ -501,7 +546,7 @@ impl<S: StateStore> CdcBackfillExecutor<S> {
                             snapshot_read_row_cnt += row_count as usize;
 
                             tracing::debug!(
-                                upstream_table_id,
+                                table_id,
                                 ?current_pk_pos,
                                 ?snapshot_read_row_cnt,
                                 "force emit a snapshot chunk"
@@ -567,7 +612,7 @@ impl<S: StateStore> CdcBackfillExecutor<S> {
         } else if self.options.disable_backfill {
             // If backfill is disabled, we just mark the backfill as finished
             tracing::info!(
-                upstream_table_id,
+                table_id,
                 upstream_table_name,
                 "CdcBackfill has been disabled"
             );
@@ -585,7 +630,7 @@ impl<S: StateStore> CdcBackfillExecutor<S> {
         drop(upstream_table_reader);
 
         tracing::info!(
-            upstream_table_id,
+            table_id,
             upstream_table_name,
             "CdcBackfill has already finished and will forward messages directly to the downstream"
         );
diff --git a/src/stream/src/executor/backfill/utils.rs b/src/stream/src/executor/backfill/utils.rs
index f67442e723198..7ae488bb718a1 100644
--- a/src/stream/src/executor/backfill/utils.rs
+++ b/src/stream/src/executor/backfill/utils.rs
@@ -30,7 +30,7 @@ use governor::{Quota, RateLimiter};
 use risingwave_common::array::stream_record::Record;
 use risingwave_common::array::{Op, StreamChunk};
 use risingwave_common::bail;
-use risingwave_common::buffer::BitmapBuilder;
+use risingwave_common::bitmap::BitmapBuilder;
 use risingwave_common::hash::{VirtualNode, VnodeBitmapExt};
 use risingwave_common::row::{OwnedRow, Row, RowExt};
 use risingwave_common::types::{DataType, Datum};
diff --git a/src/stream/src/executor/barrier_align.rs b/src/stream/src/executor/barrier_align.rs
index f485615791945..a29bf91bb6660 100644
--- a/src/stream/src/executor/barrier_align.rs
+++ b/src/stream/src/executor/barrier_align.rs
@@ -121,7 +121,7 @@ pub async fn barrier_align(
                         Message::Barrier(barrier) => {
                             yield AlignedMessage::Barrier(barrier);
                             right_barrier_align_duration
-                                .observe(start_time.elapsed().as_secs_f64());
+                                .inc_by(start_time.elapsed().as_nanos() as u64);
                             break;
                         }
                     }
@@ -144,7 +144,8 @@ pub async fn barrier_align(
                         Message::Chunk(chunk) => yield AlignedMessage::Left(chunk),
                         Message::Barrier(barrier) => {
                             yield AlignedMessage::Barrier(barrier);
-                            left_barrier_align_duration.observe(start_time.elapsed().as_secs_f64());
+                            left_barrier_align_duration
+                                .inc_by(start_time.elapsed().as_nanos() as u64);
                             break;
                         }
                     }
diff --git a/src/stream/src/executor/dedup/append_only_dedup.rs b/src/stream/src/executor/dedup/append_only_dedup.rs
index 8455bd2643e5c..fa110b9f84f17 100644
--- a/src/stream/src/executor/dedup/append_only_dedup.rs
+++ b/src/stream/src/executor/dedup/append_only_dedup.rs
@@ -15,7 +15,7 @@
 use futures::stream;
 use itertools::Itertools;
 use risingwave_common::array::Op;
-use risingwave_common::buffer::BitmapBuilder;
+use risingwave_common::bitmap::BitmapBuilder;
 use risingwave_common::row::RowExt;
 
 use super::cache::DedupCache;
diff --git a/src/stream/src/executor/dispatch.rs b/src/stream/src/executor/dispatch.rs
index 9e6503c2d9a28..cf788e9ebd7ff 100644
--- a/src/stream/src/executor/dispatch.rs
+++ b/src/stream/src/executor/dispatch.rs
@@ -20,7 +20,7 @@ use std::ops::{Deref, DerefMut};
 use futures::TryStreamExt;
 use itertools::Itertools;
 use risingwave_common::array::Op;
-use risingwave_common::buffer::BitmapBuilder;
+use risingwave_common::bitmap::BitmapBuilder;
 use risingwave_common::hash::{ActorMapping, ExpandedActorMapping, VirtualNode};
 use risingwave_common::metrics::LabelGuardedIntCounter;
 use risingwave_common::util::iter_util::ZipEqFast;
diff --git a/src/stream/src/executor/dynamic_filter.rs b/src/stream/src/executor/dynamic_filter.rs
index adba9aded3fa9..541ddeb1a22a6 100644
--- a/src/stream/src/executor/dynamic_filter.rs
+++ b/src/stream/src/executor/dynamic_filter.rs
@@ -17,7 +17,7 @@ use std::ops::Bound::{self, *};
 use futures::stream;
 use risingwave_common::array::{Array, ArrayImpl, Op};
 use risingwave_common::bail;
-use risingwave_common::buffer::{Bitmap, BitmapBuilder};
+use risingwave_common::bitmap::{Bitmap, BitmapBuilder};
 use risingwave_common::hash::VnodeBitmapExt;
 use risingwave_common::row::{self, once, OwnedRow as RowData};
 use risingwave_common::types::{DefaultOrd, ToDatumRef, ToOwnedDatum};
diff --git a/src/stream/src/executor/filter.rs b/src/stream/src/executor/filter.rs
index b183719a9a677..53fb2dc6f1387 100644
--- a/src/stream/src/executor/filter.rs
+++ b/src/stream/src/executor/filter.rs
@@ -13,7 +13,7 @@
 // limitations under the License.
 
 use risingwave_common::array::{Array, ArrayImpl, Op};
-use risingwave_common::buffer::BitmapBuilder;
+use risingwave_common::bitmap::BitmapBuilder;
 use risingwave_common::util::iter_util::ZipEqFast;
 use risingwave_expr::expr::NonStrictExpression;
 
diff --git a/src/stream/src/executor/hash_agg.rs b/src/stream/src/executor/hash_agg.rs
index 2659e2c154c72..41ab0ddb12c55 100644
--- a/src/stream/src/executor/hash_agg.rs
+++ b/src/stream/src/executor/hash_agg.rs
@@ -17,7 +17,7 @@ use std::marker::PhantomData;
 
 use futures::stream;
 use itertools::Itertools;
-use risingwave_common::buffer::{Bitmap, BitmapBuilder};
+use risingwave_common::bitmap::{Bitmap, BitmapBuilder};
 use risingwave_common::hash::{HashKey, PrecomputedBuildHasher};
 use risingwave_common::util::epoch::EpochPair;
 use risingwave_common::util::iter_util::ZipEqFast;
diff --git a/src/stream/src/executor/hash_join.rs b/src/stream/src/executor/hash_join.rs
index 0bf825138d92a..66e91cf2ecf2a 100644
--- a/src/stream/src/executor/hash_join.rs
+++ b/src/stream/src/executor/hash_join.rs
@@ -269,8 +269,10 @@ impl<K: HashKey, S: StateStore, const T: JoinTypePrimitive> HashJoinExecutor<K,
             .collect_vec();
 
         // If pk is contained in join key.
-        let pk_contained_in_jk_l = is_subset(state_pk_indices_l, state_join_key_indices_l.clone());
-        let pk_contained_in_jk_r = is_subset(state_pk_indices_r, state_join_key_indices_r.clone());
+        let pk_contained_in_jk_l =
+            is_subset(state_pk_indices_l.clone(), state_join_key_indices_l.clone());
+        let pk_contained_in_jk_r =
+            is_subset(state_pk_indices_r.clone(), state_join_key_indices_r.clone());
 
         // check whether join key contains pk in both side
         let append_only_optimize = is_append_only && pk_contained_in_jk_l && pk_contained_in_jk_r;
@@ -3001,8 +3003,8 @@ mod tests {
             chunk,
             StreamChunk::from_pretty(
                 "  I I I I
-                U- 2 5 . .
-                U+ 2 5 2 7
+                U-  2 5 . .
+                U+  2 5 2 7
                 +  . . 4 8
                 +  . . 6 9"
             )
@@ -3023,6 +3025,67 @@ mod tests {
         Ok(())
     }
 
+    #[tokio::test]
+    async fn test_streaming_hash_full_outer_join_update() -> StreamExecutorResult<()> {
+        let (mut tx_l, mut tx_r, mut hash_join) =
+            create_classical_executor::<{ JoinType::FullOuter }>(false, false, None).await;
+
+        // push the init barrier for left and right
+        tx_l.push_barrier(test_epoch(1), false);
+        tx_r.push_barrier(test_epoch(1), false);
+        hash_join.next_unwrap_ready_barrier()?;
+
+        tx_l.push_chunk(StreamChunk::from_pretty(
+            "  I I
+             + 1 1
+            ",
+        ));
+        let chunk = hash_join.next_unwrap_ready_chunk()?;
+        assert_eq!(
+            chunk,
+            StreamChunk::from_pretty(
+                " I I I I
+                + 1 1 . ."
+            )
+        );
+
+        tx_r.push_chunk(StreamChunk::from_pretty(
+            "  I I
+             + 1 1
+            ",
+        ));
+        let chunk = hash_join.next_unwrap_ready_chunk()?;
+
+        assert_eq!(
+            chunk,
+            StreamChunk::from_pretty(
+                " I I I I
+                U- 1 1 . .
+                U+ 1 1 1 1"
+            )
+        );
+
+        tx_l.push_chunk(StreamChunk::from_pretty(
+            "   I I
+              - 1 1
+              + 1 2
+            ",
+        ));
+        let chunk = hash_join.next_unwrap_ready_chunk()?;
+        let chunk = chunk.compact();
+        assert_eq!(
+            chunk,
+            StreamChunk::from_pretty(
+                " I I I I
+                - 1 1 1 1
+                + 1 2 1 1
+                "
+            )
+        );
+
+        Ok(())
+    }
+
     #[tokio::test]
     async fn test_streaming_hash_full_outer_join_with_nonequi_condition() -> StreamExecutorResult<()>
     {
@@ -3093,8 +3156,8 @@ mod tests {
             chunk,
             StreamChunk::from_pretty(
                 "  I I I I
-                U- 2 5 . .
-                U+ 2 5 2 6
+                U-  2 5 . .
+                U+  2 5 2 6
                 +  . . 4 8
                 +  . . 3 4" /* regression test (#2420): 3 4 should be forwarded only once
                              * despite matching on eq join on 2
diff --git a/src/stream/src/executor/join/builder.rs b/src/stream/src/executor/join/builder.rs
index 72208aa45ded8..c39e385fdee96 100644
--- a/src/stream/src/executor/join/builder.rs
+++ b/src/stream/src/executor/join/builder.rs
@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+use risingwave_common::array::stream_chunk::StreamChunkMut;
 use risingwave_common::array::stream_chunk_builder::StreamChunkBuilder;
 use risingwave_common::array::{Op, RowRef, StreamChunk};
 use risingwave_common::row::{OwnedRow, Row};
@@ -156,6 +157,48 @@ impl<const T: JoinTypePrimitive, const SIDE: SideTypePrimitive> JoinChunkBuilder
         }
     }
 
+    pub fn post_process(c: StreamChunk) -> StreamChunk {
+        let mut c = StreamChunkMut::from(c);
+
+        // NOTE(st1page): remove the pattern `UpdateDel(k, old), UpdateIns(k, NULL), UpdateDel(k, NULL),  UpdateIns(k, new)`
+        // to avoid this issue <https://github.com/risingwavelabs/risingwave/issues/17450>
+        let mut i = 2;
+        while i < c.capacity() {
+            if c.op(i - 1) == Op::UpdateInsert
+                && c.op(i) == Op::UpdateDelete
+                && c.row_ref(i) == c.row_ref(i - 1)
+            {
+                if c.op(i - 2) == Op::UpdateDelete && c.op(i + 1) == Op::UpdateInsert {
+                    c.set_op(i - 2, Op::Delete);
+                    c.set_vis(i - 1, false);
+                    c.set_vis(i, false);
+                    c.set_op(i + 1, Op::Insert);
+                    i += 3;
+                } else {
+                    debug_assert!(
+                        false,
+                        "unexpected Op sequences {:?}, {:?}, {:?}, {:?}",
+                        c.op(i - 2),
+                        c.op(i - 1),
+                        c.op(i),
+                        c.op(i + 1)
+                    );
+                    warn!(
+                        "unexpected Op sequences {:?}, {:?}, {:?}, {:?}",
+                        c.op(i - 2),
+                        c.op(i - 1),
+                        c.op(i),
+                        c.op(i + 1)
+                    );
+                    i += 1;
+                }
+            } else {
+                i += 1;
+            }
+        }
+        c.into()
+    }
+
     pub fn with_match_on_insert(
         &mut self,
         row: &RowRef<'_>,
@@ -166,6 +209,7 @@ impl<const T: JoinTypePrimitive, const SIDE: SideTypePrimitive> JoinChunkBuilder
             if matched_row.is_zero_degree() && only_forward_matched_side(T, SIDE) {
                 self.stream_chunk_builder
                     .append_row_matched(Op::Delete, &matched_row.row)
+                    .map(Self::post_process)
             } else {
                 None
             }
@@ -174,6 +218,7 @@ impl<const T: JoinTypePrimitive, const SIDE: SideTypePrimitive> JoinChunkBuilder
             if matched_row.is_zero_degree() && only_forward_matched_side(T, SIDE) {
                 self.stream_chunk_builder
                     .append_row_matched(Op::Insert, &matched_row.row)
+                    .map(Self::post_process)
             } else {
                 None
             }
@@ -191,10 +236,12 @@ impl<const T: JoinTypePrimitive, const SIDE: SideTypePrimitive> JoinChunkBuilder
             }
             self.stream_chunk_builder
                 .append_row(Op::UpdateInsert, row, &matched_row.row)
+                .map(Self::post_process)
         // Inner sides
         } else {
             self.stream_chunk_builder
                 .append_row(Op::Insert, row, &matched_row.row)
+                .map(Self::post_process)
         }
     }
 
@@ -208,6 +255,7 @@ impl<const T: JoinTypePrimitive, const SIDE: SideTypePrimitive> JoinChunkBuilder
             if matched_row.is_zero_degree() && only_forward_matched_side(T, SIDE) {
                 self.stream_chunk_builder
                     .append_row_matched(Op::Insert, &matched_row.row)
+                    .map(Self::post_process)
             } else {
                 None
             }
@@ -216,6 +264,7 @@ impl<const T: JoinTypePrimitive, const SIDE: SideTypePrimitive> JoinChunkBuilder
             if matched_row.is_zero_degree() && only_forward_matched_side(T, SIDE) {
                 self.stream_chunk_builder
                     .append_row_matched(Op::Delete, &matched_row.row)
+                    .map(Self::post_process)
             } else {
                 None
             }
@@ -232,6 +281,8 @@ impl<const T: JoinTypePrimitive, const SIDE: SideTypePrimitive> JoinChunkBuilder
             }
             self.stream_chunk_builder
                 .append_row_matched(Op::UpdateInsert, &matched_row.row)
+                .map(|c: StreamChunk| Self::post_process(c))
+
         // Inner sides
         } else {
             // concat with the matched_row and append the new
@@ -241,6 +292,7 @@ impl<const T: JoinTypePrimitive, const SIDE: SideTypePrimitive> JoinChunkBuilder
             // the assumption for U+ after U-.
             self.stream_chunk_builder
                 .append_row(Op::Delete, row, &matched_row.row)
+                .map(Self::post_process)
         }
     }
 
@@ -252,7 +304,9 @@ impl<const T: JoinTypePrimitive, const SIDE: SideTypePrimitive> JoinChunkBuilder
     ) -> Option<StreamChunk> {
         // if it's a semi join and the side needs to be maintained.
         if is_semi(T) && forward_exactly_once(T, SIDE) {
-            self.stream_chunk_builder.append_row_update(op, row)
+            self.stream_chunk_builder
+                .append_row_update(op, row)
+                .map(Self::post_process)
         } else {
             None
         }
@@ -262,7 +316,9 @@ impl<const T: JoinTypePrimitive, const SIDE: SideTypePrimitive> JoinChunkBuilder
     pub fn forward_if_not_matched(&mut self, op: Op, row: RowRef<'_>) -> Option<StreamChunk> {
         // if it's outer join or anti join and the side needs to be maintained.
         if (is_anti(T) && forward_exactly_once(T, SIDE)) || is_outer_side(T, SIDE) {
-            self.stream_chunk_builder.append_row_update(op, row)
+            self.stream_chunk_builder
+                .append_row_update(op, row)
+                .map(Self::post_process)
         } else {
             None
         }
@@ -270,6 +326,6 @@ impl<const T: JoinTypePrimitive, const SIDE: SideTypePrimitive> JoinChunkBuilder
 
     #[inline]
     pub fn take(&mut self) -> Option<StreamChunk> {
-        self.stream_chunk_builder.take()
+        self.stream_chunk_builder.take().map(Self::post_process)
     }
 }
diff --git a/src/stream/src/executor/join/hash_join.rs b/src/stream/src/executor/join/hash_join.rs
index 6398a475a6062..8feed4a13b24d 100644
--- a/src/stream/src/executor/join/hash_join.rs
+++ b/src/stream/src/executor/join/hash_join.rs
@@ -22,7 +22,7 @@ use futures::future::{join, try_join};
 use futures::{pin_mut, stream, StreamExt};
 use futures_async_stream::for_await;
 use local_stats_alloc::{SharedStatsAlloc, StatsAlloc};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::hash::{HashKey, PrecomputedBuildHasher};
 use risingwave_common::metrics::LabelGuardedIntCounter;
 use risingwave_common::row::{OwnedRow, Row, RowExt};
diff --git a/src/stream/src/executor/mod.rs b/src/stream/src/executor/mod.rs
index 36c6e8d173e3f..c111bf4ee99da 100644
--- a/src/stream/src/executor/mod.rs
+++ b/src/stream/src/executor/mod.rs
@@ -24,7 +24,7 @@ use futures::stream::BoxStream;
 use futures::{Stream, StreamExt};
 use itertools::Itertools;
 use risingwave_common::array::StreamChunk;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{Schema, TableId};
 use risingwave_common::row::OwnedRow;
 use risingwave_common::types::{DataType, Datum, DefaultOrd, ScalarImpl};
diff --git a/src/stream/src/executor/monitor/streaming_stats.rs b/src/stream/src/executor/monitor/streaming_stats.rs
index 379bdf49a5722..8a77c5948b6a3 100644
--- a/src/stream/src/executor/monitor/streaming_stats.rs
+++ b/src/stream/src/executor/monitor/streaming_stats.rs
@@ -24,7 +24,7 @@ use risingwave_common::config::MetricLevel;
 use risingwave_common::metrics::{
     LabelGuardedGauge, LabelGuardedGaugeVec, LabelGuardedHistogramVec, LabelGuardedIntCounter,
     LabelGuardedIntCounterVec, LabelGuardedIntGauge, LabelGuardedIntGaugeVec,
-    RelabeledGuardedHistogramVec,
+    RelabeledGuardedHistogramVec, RelabeledGuardedIntCounterVec,
 };
 use risingwave_common::monitor::GLOBAL_METRICS_REGISTRY;
 use risingwave_common::{
@@ -96,7 +96,7 @@ pub struct StreamingMetrics {
     pub join_matched_join_keys: RelabeledGuardedHistogramVec<3>,
 
     // Streaming Join, Streaming Dynamic Filter and Streaming Union
-    pub barrier_align_duration: RelabeledGuardedHistogramVec<4>,
+    pub barrier_align_duration: RelabeledGuardedIntCounterVec<4>,
 
     // Streaming Aggregation
     agg_lookup_miss_count: LabelGuardedIntCounterVec<3>,
@@ -465,19 +465,15 @@ impl StreamingMetrics {
         )
         .unwrap();
 
-        let opts = histogram_opts!(
-            "stream_barrier_align_duration",
+        let barrier_align_duration = register_guarded_int_counter_vec_with_registry!(
+            "stream_barrier_align_duration_ns",
             "Duration of join align barrier",
-            exponential_buckets(0.0001, 2.0, 21).unwrap() // max 104s
-        );
-        let barrier_align_duration = register_guarded_histogram_vec_with_registry!(
-            opts,
             &["actor_id", "fragment_id", "wait_side", "executor"],
             registry
         )
         .unwrap();
 
-        let barrier_align_duration = RelabeledGuardedHistogramVec::with_metric_level_relabel_n(
+        let barrier_align_duration = RelabeledGuardedIntCounterVec::with_metric_level_relabel_n(
             MetricLevel::Debug,
             barrier_align_duration,
             level,
diff --git a/src/stream/src/executor/mview/materialize.rs b/src/stream/src/executor/mview/materialize.rs
index 1861313baddc6..f4340c2920481 100644
--- a/src/stream/src/executor/mview/materialize.rs
+++ b/src/stream/src/executor/mview/materialize.rs
@@ -22,7 +22,7 @@ use bytes::Bytes;
 use futures::stream;
 use itertools::Itertools;
 use risingwave_common::array::Op;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{ColumnDesc, ColumnId, ConflictBehavior, TableId};
 use risingwave_common::row::{CompactedRow, RowDeserializer};
 use risingwave_common::types::DefaultOrd;
diff --git a/src/stream/src/executor/row_id_gen.rs b/src/stream/src/executor/row_id_gen.rs
index 2da75389fd9f7..1fcb85c26f88e 100644
--- a/src/stream/src/executor/row_id_gen.rs
+++ b/src/stream/src/executor/row_id_gen.rs
@@ -14,7 +14,7 @@
 
 use risingwave_common::array::stream_chunk::Ops;
 use risingwave_common::array::{Array, ArrayBuilder, ArrayRef, Op, SerialArrayBuilder};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::hash::VnodeBitmapExt;
 use risingwave_common::types::Serial;
 use risingwave_common::util::iter_util::ZipEqFast;
diff --git a/src/stream/src/executor/source/source_backfill_executor.rs b/src/stream/src/executor/source/source_backfill_executor.rs
index 7135a3fc3bf8e..4a34eabe97e16 100644
--- a/src/stream/src/executor/source/source_backfill_executor.rs
+++ b/src/stream/src/executor/source/source_backfill_executor.rs
@@ -21,7 +21,7 @@ use anyhow::anyhow;
 use either::Either;
 use futures::stream::{select_with_strategy, PollNext};
 use itertools::Itertools;
-use risingwave_common::buffer::BitmapBuilder;
+use risingwave_common::bitmap::BitmapBuilder;
 use risingwave_common::metrics::{LabelGuardedIntCounter, GLOBAL_ERROR_METRICS};
 use risingwave_common::system_param::local_manager::SystemParamsReaderRef;
 use risingwave_common::system_param::reader::SystemParamsRead;
diff --git a/src/stream/src/executor/source/state_table_handler.rs b/src/stream/src/executor/source/state_table_handler.rs
index 1d14de9a493c9..590401de1847d 100644
--- a/src/stream/src/executor/source/state_table_handler.rs
+++ b/src/stream/src/executor/source/state_table_handler.rs
@@ -28,7 +28,7 @@ use std::ops::{Bound, Deref};
 use std::sync::Arc;
 
 use futures::{pin_mut, StreamExt};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::hash::VirtualNode;
 use risingwave_common::row::{OwnedRow, Row};
 use risingwave_common::types::{JsonbVal, ScalarImpl, ScalarRef, ScalarRefImpl};
diff --git a/src/stream/src/executor/temporal_join.rs b/src/stream/src/executor/temporal_join.rs
index ce0c4d29621d6..db9f8c850ce63 100644
--- a/src/stream/src/executor/temporal_join.rs
+++ b/src/stream/src/executor/temporal_join.rs
@@ -23,7 +23,7 @@ use itertools::Itertools;
 use local_stats_alloc::{SharedStatsAlloc, StatsAlloc};
 use lru::DefaultHasher;
 use risingwave_common::array::Op;
-use risingwave_common::buffer::BitmapBuilder;
+use risingwave_common::bitmap::BitmapBuilder;
 use risingwave_common::hash::{HashKey, NullBitmap};
 use risingwave_common::row::RowExt;
 use risingwave_common::util::iter_util::ZipEqDebug;
diff --git a/src/stream/src/executor/top_n/group_top_n.rs b/src/stream/src/executor/top_n/group_top_n.rs
index 9457e2f7729c6..b690dce70057b 100644
--- a/src/stream/src/executor/top_n/group_top_n.rs
+++ b/src/stream/src/executor/top_n/group_top_n.rs
@@ -15,7 +15,7 @@
 use std::ops::{Deref, DerefMut};
 
 use risingwave_common::array::Op;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::hash::HashKey;
 use risingwave_common::row::RowExt;
 use risingwave_common::util::epoch::EpochPair;
diff --git a/src/stream/src/executor/top_n/group_top_n_appendonly.rs b/src/stream/src/executor/top_n/group_top_n_appendonly.rs
index b8e4094486624..83ef8df772fc7 100644
--- a/src/stream/src/executor/top_n/group_top_n_appendonly.rs
+++ b/src/stream/src/executor/top_n/group_top_n_appendonly.rs
@@ -13,7 +13,7 @@
 // limitations under the License.
 
 use risingwave_common::array::Op;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::hash::HashKey;
 use risingwave_common::row::{RowDeserializer, RowExt};
 use risingwave_common::util::epoch::EpochPair;
diff --git a/src/stream/src/executor/top_n/top_n_state.rs b/src/stream/src/executor/top_n/top_n_state.rs
index 57f4017e51185..160fffc582580 100644
--- a/src/stream/src/executor/top_n/top_n_state.rs
+++ b/src/stream/src/executor/top_n/top_n_state.rs
@@ -16,7 +16,7 @@ use std::ops::Bound;
 use std::sync::Arc;
 
 use futures::{pin_mut, StreamExt};
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::row::{OwnedRow, Row, RowExt};
 use risingwave_common::types::ScalarImpl;
 use risingwave_common::util::epoch::EpochPair;
diff --git a/src/stream/src/executor/top_n/utils.rs b/src/stream/src/executor/top_n/utils.rs
index 18409cf3d6db1..b9894e72ddf5e 100644
--- a/src/stream/src/executor/top_n/utils.rs
+++ b/src/stream/src/executor/top_n/utils.rs
@@ -16,7 +16,7 @@ use std::future::Future;
 
 use itertools::Itertools;
 use risingwave_common::array::Op;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::row::{CompactedRow, RowDeserializer};
 use risingwave_common::util::chunk_coalesce::DataChunkBuilder;
 use risingwave_common::util::epoch::EpochPair;
diff --git a/src/stream/src/executor/union.rs b/src/stream/src/executor/union.rs
index c3279f7e8a344..46acefb61d44f 100644
--- a/src/stream/src/executor/union.rs
+++ b/src/stream/src/executor/union.rs
@@ -164,7 +164,7 @@ async fn merge(
             None => {
                 assert!(active.is_terminated());
                 let barrier = current_barrier.take().unwrap();
-                barrier_align.observe(start_time.elapsed().as_secs_f64());
+                barrier_align.inc_by(start_time.elapsed().as_nanos() as u64);
 
                 let upstreams = std::mem::take(&mut blocked);
                 active.extend(upstreams.into_iter().map(|upstream| upstream.into_future()));
diff --git a/src/stream/src/from_proto/agg_common.rs b/src/stream/src/from_proto/agg_common.rs
index 3799e50068e19..3bc928e1cdc7c 100644
--- a/src/stream/src/from_proto/agg_common.rs
+++ b/src/stream/src/from_proto/agg_common.rs
@@ -15,7 +15,7 @@
 use std::collections::HashMap;
 use std::sync::Arc;
 
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::util::sort_util::ColumnOrder;
 
 use super::*;
diff --git a/src/stream/src/task/stream_manager.rs b/src/stream/src/task/stream_manager.rs
index ce4c82f080561..e7105347c9356 100644
--- a/src/stream/src/task/stream_manager.rs
+++ b/src/stream/src/task/stream_manager.rs
@@ -26,7 +26,7 @@ use futures::stream::BoxStream;
 use futures::FutureExt;
 use itertools::Itertools;
 use risingwave_common::bail;
-use risingwave_common::buffer::Bitmap;
+use risingwave_common::bitmap::Bitmap;
 use risingwave_common::catalog::{Field, Schema, TableId};
 use risingwave_common::config::MetricLevel;
 use risingwave_pb::common::ActorInfo;
diff --git a/src/stream/tests/README.md b/src/stream/tests/README.md
deleted file mode 120000
index 9b94e2d61ad05..0000000000000
--- a/src/stream/tests/README.md
+++ /dev/null
@@ -1 +0,0 @@
-src/stream/README.md
\ No newline at end of file
diff --git a/src/tests/compaction_test/src/compaction_test_runner.rs b/src/tests/compaction_test/src/compaction_test_runner.rs
index f294d8fb6fe5a..195715e130877 100644
--- a/src/tests/compaction_test/src/compaction_test_runner.rs
+++ b/src/tests/compaction_test/src/compaction_test_runner.rs
@@ -30,6 +30,7 @@ use risingwave_common::config::{
 };
 use risingwave_common::util::addr::HostAddr;
 use risingwave_common::util::iter_util::ZipEqFast;
+use risingwave_common::util::tokio_util::sync::CancellationToken;
 use risingwave_hummock_sdk::key::TableKey;
 use risingwave_hummock_sdk::version::{HummockVersion, HummockVersionDelta};
 use risingwave_hummock_sdk::{CompactionGroupId, HummockEpoch, FIRST_VERSION_ID};
@@ -172,7 +173,7 @@ async fn start_compactor_node(
         "--config-path",
         &config_path,
     ]);
-    risingwave_compactor::start(opts).await
+    risingwave_compactor::start(opts, CancellationToken::new() /* dummy */).await
 }
 
 pub fn start_compactor_thread(
diff --git a/src/tests/simulation/src/cluster.rs b/src/tests/simulation/src/cluster.rs
index 351e45279fd5e..c733288757ba2 100644
--- a/src/tests/simulation/src/cluster.rs
+++ b/src/tests/simulation/src/cluster.rs
@@ -477,7 +477,12 @@ impl Cluster {
                 .create_node()
                 .name(format!("frontend-{i}"))
                 .ip([192, 168, 2, i as u8].into())
-                .init(move || risingwave_frontend::start(opts.clone()))
+                .init(move || {
+                    risingwave_frontend::start(
+                        opts.clone(),
+                        CancellationToken::new(), // dummy
+                    )
+                })
                 .build();
         }
 
@@ -501,7 +506,12 @@ impl Cluster {
                 .name(format!("compute-{i}"))
                 .ip([192, 168, 3, i as u8].into())
                 .cores(conf.compute_node_cores)
-                .init(move || risingwave_compute::start(opts.clone(), CancellationToken::new()))
+                .init(move || {
+                    risingwave_compute::start(
+                        opts.clone(),
+                        CancellationToken::new(), // dummy
+                    )
+                })
                 .build();
         }
 
@@ -520,7 +530,12 @@ impl Cluster {
                 .create_node()
                 .name(format!("compactor-{i}"))
                 .ip([192, 168, 4, i as u8].into())
-                .init(move || risingwave_compactor::start(opts.clone()))
+                .init(move || {
+                    risingwave_compactor::start(
+                        opts.clone(),
+                        CancellationToken::new(), // dummy
+                    )
+                })
                 .build();
         }
 
diff --git a/src/tests/simulation/src/ctl_ext.rs b/src/tests/simulation/src/ctl_ext.rs
index 77ae0ee414e49..39f7c7c7bc214 100644
--- a/src/tests/simulation/src/ctl_ext.rs
+++ b/src/tests/simulation/src/ctl_ext.rs
@@ -27,11 +27,10 @@ use rand::seq::{IteratorRandom, SliceRandom};
 use rand::{thread_rng, Rng};
 use risingwave_common::catalog::TableId;
 use risingwave_common::hash::ParallelUnitId;
-use risingwave_pb::meta::get_reschedule_plan_request::PbPolicy;
 use risingwave_pb::meta::table_fragments::fragment::FragmentDistributionType;
 use risingwave_pb::meta::table_fragments::PbFragment;
 use risingwave_pb::meta::update_worker_node_schedulability_request::Schedulability;
-use risingwave_pb::meta::{GetClusterInfoResponse, GetReschedulePlanResponse};
+use risingwave_pb::meta::GetClusterInfoResponse;
 use risingwave_pb::stream_plan::StreamNode;
 use serde::de::IntoDeserializer;
 
@@ -432,37 +431,6 @@ impl Cluster {
             .await??;
         Ok(())
     }
-
-    #[cfg_or_panic(madsim)]
-    pub async fn get_reschedule_plan(&self, policy: PbPolicy) -> Result<GetReschedulePlanResponse> {
-        let revision = self
-            .ctl
-            .spawn(async move {
-                let r = risingwave_ctl::cmd_impl::meta::get_cluster_info(
-                    &risingwave_ctl::common::CtlContext::default(),
-                )
-                .await?;
-
-                Ok::<_, anyhow::Error>(r.revision)
-            })
-            .await??;
-
-        let resp = self
-            .ctl
-            .spawn(async move {
-                let r = risingwave_ctl::cmd_impl::meta::get_reschedule_plan(
-                    &risingwave_ctl::common::CtlContext::default(),
-                    policy,
-                    revision,
-                )
-                .await?;
-
-                Ok::<_, anyhow::Error>(r)
-            })
-            .await??;
-
-        Ok(resp)
-    }
 }
 
 #[cfg_attr(not(madsim), allow(dead_code))]
@@ -473,5 +441,6 @@ where
 {
     let args = std::iter::once("ctl".into()).chain(args.into_iter().map(|s| s.into()));
     let opts = risingwave_ctl::CliOpts::parse_from(args);
-    risingwave_ctl::start_fallible(opts).await
+    let context = risingwave_ctl::common::CtlContext::default();
+    risingwave_ctl::start_fallible(opts, &context).await
 }
diff --git a/src/tests/simulation/tests/integration_tests/scale/mod.rs b/src/tests/simulation/tests/integration_tests/scale/mod.rs
index ced22e6875465..f6940f072409e 100644
--- a/src/tests/simulation/tests/integration_tests/scale/mod.rs
+++ b/src/tests/simulation/tests/integration_tests/scale/mod.rs
@@ -19,7 +19,6 @@ mod nexmark_chaos;
 mod nexmark_q4;
 mod nexmark_source;
 mod no_shuffle;
-mod plan;
 mod schedulability;
 mod singleton_migration;
 mod sink;
diff --git a/src/tests/simulation/tests/integration_tests/scale/plan.rs b/src/tests/simulation/tests/integration_tests/scale/plan.rs
deleted file mode 100644
index d39e159fc61d9..0000000000000
--- a/src/tests/simulation/tests/integration_tests/scale/plan.rs
+++ /dev/null
@@ -1,332 +0,0 @@
-// Copyright 2024 RisingWave Labs
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-use std::collections::HashMap;
-
-use anyhow::Result;
-use itertools::Itertools;
-use rand::seq::SliceRandom;
-use risingwave_pb::common::{WorkerNode, WorkerType};
-use risingwave_pb::meta::get_reschedule_plan_request::Policy::StableResizePolicy;
-use risingwave_pb::meta::get_reschedule_plan_request::{
-    PbPolicy, PbStableResizePolicy, WorkerChanges,
-};
-use risingwave_pb::meta::PbReschedule;
-use risingwave_simulation::cluster::{Cluster, Configuration};
-use risingwave_simulation::ctl_ext::predicate::{identity_contains, no_identity_contains};
-
-#[tokio::test]
-async fn test_resize_normal() -> Result<()> {
-    let mut cluster = Cluster::start(Configuration::for_scale()).await?;
-    let mut session = cluster.start_session();
-
-    session.run("create table t1 (v1 int);").await?;
-    session.run("create table t2 (v2 int);").await?;
-    session
-        .run("create materialized view mv as select * from t1 join t2 on t1.v1 = t2.v2;")
-        .await?;
-
-    let join_fragment = cluster
-        .locate_one_fragment([identity_contains("hashJoin")])
-        .await?;
-
-    let join_fragment_id = join_fragment.inner.fragment_id;
-
-    let mut workers: Vec<WorkerNode> = cluster
-        .get_cluster_info()
-        .await?
-        .worker_nodes
-        .into_iter()
-        .filter(|worker| worker.r#type() == WorkerType::ComputeNode)
-        .collect();
-
-    workers.pop();
-
-    let removed_workers = workers.iter().map(|worker| worker.id).collect_vec();
-
-    let resp = cluster
-        .get_reschedule_plan(PbPolicy::StableResizePolicy(PbStableResizePolicy {
-            fragment_worker_changes: HashMap::from([(
-                join_fragment_id,
-                WorkerChanges {
-                    include_worker_ids: vec![],
-                    exclude_worker_ids: removed_workers,
-                    ..Default::default()
-                },
-            )]),
-        }))
-        .await?;
-
-    let reschedules = resp.reschedules;
-    assert_eq!(reschedules.len(), 1);
-    let target_plan: PbReschedule = reschedules.get(&join_fragment_id).unwrap().clone();
-
-    assert_eq!(target_plan.added_parallel_units.len(), 0);
-
-    let removed_parallel_unit_id = workers
-        .iter()
-        .flat_map(|worker| {
-            worker
-                .parallel_units
-                .iter()
-                .map(|parallel_unit| parallel_unit.id)
-        })
-        .sorted()
-        .collect_vec();
-
-    assert_eq!(target_plan.removed_parallel_units, removed_parallel_unit_id);
-
-    Ok(())
-}
-#[tokio::test]
-async fn test_resize_single() -> Result<()> {
-    let mut cluster = Cluster::start(Configuration::for_scale()).await?;
-    let mut session = cluster.start_session();
-
-    session.run("create table t (v int);").await?;
-    session
-        .run("create materialized view mv1 as select count(*) from t;")
-        .await?;
-
-    session
-        .run("create materialized view mv2 as select * from mv1;")
-        .await?;
-
-    let agg_fragment = cluster
-        .locate_one_fragment([
-            identity_contains("simpleAgg"),
-            identity_contains("materialize"),
-        ])
-        .await?;
-
-    let agg_fragment_id = agg_fragment.inner.fragment_id;
-
-    let (_, used_parallel_unit_ids) = agg_fragment.parallel_unit_usage();
-
-    assert_eq!(used_parallel_unit_ids.len(), 1);
-
-    let used_parallel_unit_id = used_parallel_unit_ids.iter().next().unwrap();
-
-    let mut workers: Vec<WorkerNode> = cluster
-        .get_cluster_info()
-        .await?
-        .worker_nodes
-        .into_iter()
-        .filter(|worker| worker.r#type() == WorkerType::ComputeNode)
-        .collect();
-
-    let prev_workers = workers
-        .extract_if(|worker| {
-            worker
-                .parallel_units
-                .iter()
-                .map(|parallel_unit| parallel_unit.id)
-                .contains(used_parallel_unit_id)
-        })
-        .collect_vec();
-
-    let prev_worker = prev_workers.into_iter().exactly_one().unwrap();
-
-    let resp = cluster
-        .get_reschedule_plan(StableResizePolicy(PbStableResizePolicy {
-            fragment_worker_changes: HashMap::from([(
-                agg_fragment_id,
-                WorkerChanges {
-                    include_worker_ids: vec![],
-                    exclude_worker_ids: vec![prev_worker.id],
-                    ..Default::default()
-                },
-            )]),
-        }))
-        .await?;
-
-    let reschedules = resp.reschedules;
-    assert_eq!(reschedules.len(), 1);
-    let target_plan: PbReschedule = reschedules.get(&agg_fragment_id).unwrap().clone();
-    assert_eq!(target_plan.added_parallel_units.len(), 1);
-    assert_eq!(target_plan.removed_parallel_units.len(), 1);
-
-    let removed_parallel_unit_id = target_plan
-        .removed_parallel_units
-        .iter()
-        .exactly_one()
-        .unwrap();
-
-    assert!(prev_worker
-        .parallel_units
-        .iter()
-        .map(|parallel_unit| parallel_unit.id)
-        .contains(removed_parallel_unit_id));
-
-    Ok(())
-}
-
-#[tokio::test]
-async fn test_resize_single_failed() -> Result<()> {
-    let mut cluster = Cluster::start(Configuration::for_scale_no_shuffle()).await?;
-    let mut session = cluster.start_session();
-
-    session.run("create table t (v int);").await?;
-    session
-        .run("create materialized view mv1 as select count(*) from t;")
-        .await?;
-
-    session
-        .run("create materialized view mv2 as select * from mv1;")
-        .await?;
-
-    let upstream_fragment = cluster
-        .locate_one_fragment([
-            identity_contains("simpleAgg"),
-            identity_contains("materialize"),
-        ])
-        .await?;
-
-    let upstream_fragment_id = upstream_fragment.inner.fragment_id;
-
-    let downstream_fragment = cluster
-        .locate_one_fragment([
-            identity_contains("StreamTableScan"),
-            identity_contains("materialize"),
-        ])
-        .await?;
-
-    let downstream_fragment_id = downstream_fragment.inner.fragment_id;
-
-    let mut workers: Vec<WorkerNode> = cluster
-        .get_cluster_info()
-        .await?
-        .worker_nodes
-        .into_iter()
-        .filter(|worker| worker.r#type() == WorkerType::ComputeNode)
-        .collect();
-
-    let worker_a = workers.pop().unwrap();
-    let worker_b = workers.pop().unwrap();
-
-    let resp = cluster
-        .get_reschedule_plan(StableResizePolicy(PbStableResizePolicy {
-            fragment_worker_changes: HashMap::from([
-                (
-                    upstream_fragment_id,
-                    WorkerChanges {
-                        include_worker_ids: vec![],
-                        exclude_worker_ids: vec![worker_a.id],
-                        ..Default::default()
-                    },
-                ),
-                (
-                    downstream_fragment_id,
-                    WorkerChanges {
-                        include_worker_ids: vec![],
-                        exclude_worker_ids: vec![worker_b.id],
-                        ..Default::default()
-                    },
-                ),
-            ]),
-        }))
-        .await;
-
-    assert!(resp.is_err());
-
-    Ok(())
-}
-#[tokio::test]
-async fn test_resize_no_shuffle() -> Result<()> {
-    let mut cluster = Cluster::start(Configuration::for_scale_no_shuffle()).await?;
-    let mut session = cluster.start_session();
-
-    session.run("create table t (v int);").await?;
-    session
-        .run("create materialized view mv1 as select * from t;")
-        .await?;
-    session
-        .run("create materialized view mv2 as select * from t;")
-        .await?;
-    session
-        .run("create materialized view mv3 as select * from mv2;")
-        .await?;
-    session
-        .run("create materialized view mv4 as select * from mv2;")
-        .await?;
-    session
-        .run("create materialized view mv5 as select * from mv3;")
-        .await?;
-    session
-        .run("create materialized view mv6 as select * from mv3;")
-        .await?;
-    session
-        .run(
-            "create materialized view mv7 as select mv1.v as mv1v, mv5.v as mv5v from mv1
-join mv5 on mv1.v = mv5.v limit 1;",
-        )
-        .await?;
-
-    let chain_fragments: [_; 8] = cluster
-        .locate_fragments([identity_contains("StreamTableScan")])
-        .await?
-        .try_into()
-        .unwrap();
-
-    let selected_fragment = chain_fragments.choose(&mut rand::thread_rng()).unwrap();
-
-    let selected_fragment_id = selected_fragment.inner.fragment_id;
-
-    let mut workers: Vec<WorkerNode> = cluster
-        .get_cluster_info()
-        .await?
-        .worker_nodes
-        .into_iter()
-        .filter(|worker: &WorkerNode| worker.r#type() == WorkerType::ComputeNode)
-        .collect();
-
-    workers.pop();
-
-    let removed_worker_ids = workers.iter().map(|worker| worker.id).collect_vec();
-
-    let resp = cluster
-        .get_reschedule_plan(PbPolicy::StableResizePolicy(PbStableResizePolicy {
-            fragment_worker_changes: HashMap::from([(
-                selected_fragment_id,
-                WorkerChanges {
-                    include_worker_ids: vec![],
-                    exclude_worker_ids: removed_worker_ids,
-                    ..Default::default()
-                },
-            )]),
-        }))
-        .await?;
-
-    let reschedules = resp.reschedules;
-
-    assert_eq!(reschedules.len(), 1);
-
-    let top_materialize_fragment = cluster
-        .locate_one_fragment([
-            identity_contains("materialize"),
-            no_identity_contains("topn"),
-            no_identity_contains("StreamTableScan"),
-            no_identity_contains("hashJoin"),
-        ])
-        .await?;
-
-    let top_materialize_fragment_id = reschedules.keys().exactly_one().cloned().unwrap();
-
-    assert_eq!(
-        top_materialize_fragment_id,
-        top_materialize_fragment.inner.fragment_id
-    );
-
-    Ok(())
-}
diff --git a/src/utils/pgwire/src/lib.rs b/src/utils/pgwire/src/lib.rs
index 96d439b8b94ff..2279156d89b37 100644
--- a/src/utils/pgwire/src/lib.rs
+++ b/src/utils/pgwire/src/lib.rs
@@ -19,6 +19,7 @@
 #![feature(lazy_cell)]
 #![feature(buf_read_has_data_left)]
 #![feature(round_char_boundary)]
+#![feature(never_type)]
 #![expect(clippy::doc_markdown, reason = "FIXME: later")]
 
 pub mod error;
diff --git a/src/utils/pgwire/src/pg_server.rs b/src/utils/pgwire/src/pg_server.rs
index d2882fdceafbb..840f21dda1be2 100644
--- a/src/utils/pgwire/src/pg_server.rs
+++ b/src/utils/pgwire/src/pg_server.rs
@@ -14,7 +14,6 @@
 
 use std::collections::HashMap;
 use std::future::Future;
-use std::io;
 use std::str::FromStr;
 use std::sync::Arc;
 use std::time::Instant;
@@ -23,6 +22,8 @@ use bytes::Bytes;
 use jsonwebtoken::{decode, decode_header, Algorithm, DecodingKey, Validation};
 use parking_lot::Mutex;
 use risingwave_common::types::DataType;
+use risingwave_common::util::runtime::BackgroundShutdownRuntime;
+use risingwave_common::util::tokio_util::sync::CancellationToken;
 use risingwave_sqlparser::ast::{RedactSqlOptionKeywordsRef, Statement};
 use serde::Deserialize;
 use thiserror_ext::AsReport;
@@ -58,6 +59,11 @@ pub trait SessionManager: Send + Sync + 'static {
     fn cancel_creating_jobs_in_session(&self, session_id: SessionId);
 
     fn end_session(&self, session: &Self::Session);
+
+    /// Run some cleanup tasks before the server shutdown.
+    fn shutdown(&self) -> impl Future<Output = ()> + Send {
+        async {}
+    }
 }
 
 /// A psql connection. Each connection binds with a database. Switching database will need to
@@ -247,16 +253,19 @@ impl UserAuthenticator {
 }
 
 /// Binds a Tcp or Unix listener at `addr`. Spawn a coroutine to serve every new connection.
+///
+/// Returns when the `shutdown` token is triggered.
 pub async fn pg_serve(
     addr: &str,
-    session_mgr: Arc<impl SessionManager>,
+    session_mgr: impl SessionManager,
     tls_config: Option<TlsConfig>,
     redact_sql_option_keywords: Option<RedactSqlOptionKeywordsRef>,
-) -> io::Result<()> {
+    shutdown: CancellationToken,
+) -> Result<(), BoxedError> {
     let listener = Listener::bind(addr).await?;
     tracing::info!(addr, "server started");
 
-    let acceptor_runtime = {
+    let acceptor_runtime = BackgroundShutdownRuntime::from({
         let mut builder = tokio::runtime::Builder::new_multi_thread();
         builder.worker_threads(1);
         builder
@@ -264,13 +273,15 @@ pub async fn pg_serve(
             .enable_all()
             .build()
             .unwrap()
-    };
+    });
 
     #[cfg(not(madsim))]
     let worker_runtime = tokio::runtime::Handle::current();
     #[cfg(madsim)]
     let worker_runtime = tokio::runtime::Builder::new_multi_thread().build().unwrap();
 
+    let session_mgr = Arc::new(session_mgr);
+    let session_mgr_clone = session_mgr.clone();
     let f = async move {
         loop {
             let conn_ret = listener.accept().await;
@@ -279,7 +290,7 @@ pub async fn pg_serve(
                     tracing::info!(%peer_addr, "accept connection");
                     worker_runtime.spawn(handle_connection(
                         stream,
-                        session_mgr.clone(),
+                        session_mgr_clone.clone(),
                         tls_config.clone(),
                         Arc::new(peer_addr),
                         redact_sql_option_keywords.clone(),
@@ -292,7 +303,16 @@ pub async fn pg_serve(
             }
         }
     };
-    acceptor_runtime.spawn(f).await?;
+    acceptor_runtime.spawn(f);
+
+    // Wait for the shutdown signal.
+    shutdown.cancelled().await;
+
+    // Stop accepting new connections.
+    drop(acceptor_runtime);
+    // Shutdown session manager, typically close all existing sessions.
+    session_mgr.shutdown().await;
+
     Ok(())
 }
 
@@ -339,6 +359,7 @@ mod tests {
     use futures::stream::BoxStream;
     use futures::StreamExt;
     use risingwave_common::types::DataType;
+    use risingwave_common::util::tokio_util::sync::CancellationToken;
     use risingwave_sqlparser::ast::Statement;
     use tokio_postgres::NoTls;
 
@@ -494,8 +515,17 @@ mod tests {
         let bind_addr = bind_addr.into();
         let pg_config = pg_config.into();
 
-        let session_mgr = Arc::new(MockSessionManager {});
-        tokio::spawn(async move { pg_serve(&bind_addr, session_mgr, None, None).await });
+        let session_mgr = MockSessionManager {};
+        tokio::spawn(async move {
+            pg_serve(
+                &bind_addr,
+                session_mgr,
+                None,
+                None,
+                CancellationToken::new(), // dummy
+            )
+            .await
+        });
         // wait for server to start
         tokio::time::sleep(std::time::Duration::from_millis(100)).await;