refactor(frontend): rename streaming_rate_limit to backfill_rate_limit for mv backfilling and source_rate_limit for source updates

e2e_test/backfill/sink/create_sink.slt

@@ -5,7 +5,7 @@ statement ok
 create table t (v1 int);
 
 statement ok
-SET STREAMING_RATE_LIMIT = 500;
+SET BACKFILL_RATE_LIMIT = 500;
 
 # Should finish in 20s
 statement ok

e2e_test/backfill/sink/different_pk_and_dist_key.slt

@@ -18,7 +18,7 @@ statement ok
 create materialized view m1 as select t.v1, t.v2, t.v3 from t join t2 using(v1);
 
 statement ok
-set streaming_rate_limit = 1;
+set backfill_rate_limit = 1;
 
 statement ok
 set background_ddl = true;

e2e_test/background_ddl/basic.slt

@@ -14,7 +14,7 @@ statement ok
 FLUSH;
 
 statement ok
-SET STREAMING_RATE_LIMIT=10000;
+SET BACKFILL_RATE_LIMIT=10000;
 
 statement ok
 CREATE MATERIALIZED VIEW m1 as SELECT * FROM t;

e2e_test/background_ddl/sim/basic.slt

@@ -14,7 +14,7 @@ statement ok
 FLUSH;
 
 statement ok
-SET STREAMING_RATE_LIMIT=4000;
+SET BACKFILL_RATE_LIMIT=4000;
 
 statement ok
 CREATE MATERIALIZED VIEW m1 as SELECT * FROM t;

e2e_test/batch/catalog/pg_settings.slt.part

@@ -17,6 +17,7 @@ postmaster license_key
 postmaster max_concurrent_creating_streaming_jobs
 postmaster pause_on_next_bootstrap
 user application_name
+user backfill_rate_limit
 user background_ddl
 user batch_enable_distributed_dml
 user batch_parallelism

e2e_test/ddl/drop/drop_creating_mv.slt

@@ -8,7 +8,7 @@ statement ok
 flush;
 
 statement ok
-set streaming_rate_limit=1;
+set backfill_rate_limit=1;
 
 ############## Test drop foreground mv
 onlyif can-use-recover
@@ -61,7 +61,7 @@ drop materialized view m1;
 
 ############## Make sure the mv can still be successfully created later.
 statement ok
-set streaming_rate_limit=default;
+set backfill_rate_limit=default;
 
 statement ok
 set background_ddl=false;

e2e_test/ddl/throttle.slt

@@ -1,20 +1,22 @@
-# streaming_rate_limit also applies to create sink and create source, please refer to
-# e2e_test/source/basic/kafka.slt and e2e_test/sink/kafka/create_sink.slt for this part
+# streaming_rate_limit applies to create source, please refer to
+# e2e_test/source/basic/kafka.slt.
+# backfill_rate_limit applies to create sink, please refer to
+# e2e_test/sink/kafka/create_sink.slt.
 
 statement ok
 create table t1 (v1 int);
 
 # tracked in https://github.com/risingwavelabs/risingwave/issues/13474
-# create with duplicate streaming_rate_limit
+# create with duplicate backfill_rate_limit
 statement error Duplicated option
-create materialized view mv1 with (streaming_rate_limit = 1000, streaming_rate_limit = 2000) as select * from t1;
+create materialized view mv1 with (backfill_rate_limit = 1000, backfill_rate_limit = 2000) as select * from t1;
 
 # create with unknown fields
 statement error unexpected options in WITH clause
-create materialized view mv1 with (streaming_rate_limit = 1000, unknown_field = 2000) as select * from t1;
+create materialized view mv1 with (backfill_rate_limit = 1000, unknown_field = 2000) as select * from t1;
 
 statement ok
-create materialized view mv1 with (streaming_rate_limit = 1000) as select * from t1;
+create materialized view mv1 with (backfill_rate_limit = 1000) as select * from t1;
 
 statement ok
 drop materialized view mv1;

e2e_test/sink/kafka/create_sink.slt

@@ -153,7 +153,7 @@ create sink multiple_pk_throttle from t_kafka with (
     topic = 'test-rw-sink-debezium',
     type = 'debezium',
     primary_key = 'id,v_varchar',
-    streaming_rate_limit = 200
+    backfill_rate_limit = 200
 );
 
 statement ok
@@ -165,7 +165,7 @@ create sink multiple_pk_throttle_1
     topic = 'test-rw-sink-debezium',
     type = 'debezium',
     primary_key = 'id,v_varchar',
-    streaming_rate_limit = 200
+    backfill_rate_limit = 200
 );
 
 statement ok

e2e_test/slow_tests/backfill/rate_limit/slow-udf.slt

@@ -5,7 +5,7 @@ statement ok
 insert into t select 2 from generate_series(1, 1000000);
 
 statement ok
-set streaming_rate_limit=1;
+set backfill_rate_limit=1;
 
 statement ok
 set background_ddl=true;
@@ -25,7 +25,7 @@ statement ok
 set background_ddl = false;
 
 statement ok
-set streaming_rate_limit=default;
+set backfill_rate_limit=default;
 
 statement ok
 flush;

e2e_test/slow_tests/udf/always_retry_python.slt

@@ -21,7 +21,7 @@ statement ok
 flush;
 
 statement ok
-SET STREAMING_RATE_LIMIT=1;
+SET BACKFILL_RATE_LIMIT=1;
 
 statement ok
 SET BACKGROUND_DDL=true;
@@ -57,7 +57,7 @@ SELECT count(*) FROM mv_always_retry where s1 is NULL;
 # t
 
 statement ok
-SET STREAMING_RATE_LIMIT TO DEFAULT;
+SET BACKFILL_RATE_LIMIT TO DEFAULT;
 
 statement ok
 SET BACKGROUND_DDL=false;

e2e_test/source/basic/alter/rate_limit_source_kafka.slt

@@ -44,7 +44,7 @@ sleep 3s
 ############## Create MV on source
 
 statement ok
-SET STREAMING_RATE_LIMIT=0;
+SET SOURCE_RATE_LIMIT=0;
 
 statement ok
 create materialized view rl_mv1 as select count(*) from kafka_source;
@@ -56,7 +56,7 @@ statement ok
 create materialized view rl_mv3 as select count(*) from kafka_source;
 
 statement ok
-SET STREAMING_RATE_LIMIT=default;
+SET SOURCE_RATE_LIMIT=default;
 
 ############## MVs should have 0 records, since source has (rate_limit = 0)
 
@@ -82,11 +82,11 @@ select * from rl_mv3;
 
 skipif in-memory
 query I
-alter source kafka_source set streaming_rate_limit to 1000;
+alter source kafka_source set source_rate_limit to 1000;
 
 skipif in-memory
 query I
-alter source kafka_source set streaming_rate_limit to default;
+alter source kafka_source set source_rate_limit to default;
 
 skipif in-memory
 sleep 3s

e2e_test/source/basic/alter/rate_limit_table_kafka.slt

@@ -27,7 +27,7 @@ create table kafka_source (v1 int) with (
   topic = 'kafka_source',
   properties.bootstrap.server = 'message_queue:29092',
   scan.startup.mode = 'earliest',
-  streaming_rate_limit = 0
+  source_rate_limit = 0
 ) FORMAT PLAIN ENCODE JSON
 
 statement ok
@@ -61,11 +61,11 @@ select count(*) from kafka_source;
 
 skipif in-memory
 query I
-alter table kafka_source set streaming_rate_limit to 1000;
+alter table kafka_source set source_rate_limit to 1000;
 
 skipif in-memory
 query I
-alter table kafka_source set streaming_rate_limit to default;
+alter table kafka_source set source_rate_limit to default;
 
 skipif in-memory
 sleep 3s

e2e_test/source/basic/kafka.slt

@@ -391,7 +391,7 @@ create table s29 (id bytea) with (
   topic = 'kafka_source_format_bytes',
   properties.bootstrap.server = 'message_queue:29092',
   scan.startup.mode = 'earliest',
-  streaming_rate_limit = 200
+  source_rate_limit = 200
 ) FORMAT PLAIN ENCODE BYTES
 
 statement ok

e2e_test/streaming/rate_limit/basic.slt

@@ -5,7 +5,7 @@ statement ok
 CREATE TABLE t1(v1 int, v2 int);
 
 statement ok
-SET STREAMING_RATE_LIMIT TO 2000;
+SET BACKFILL_RATE_LIMIT TO 2000;
 
 statement ok
 CREATE MATERIALIZED VIEW m AS SELECT * FROM t1;
@@ -35,7 +35,7 @@ FLUSH;
 # Test with small rate_limit. In this case, the stream chunk needs to be split
 
 statement ok
-SET STREAMING_RATE_LIMIT TO 1;
+SET BACKFILL_RATE_LIMIT TO 1;
 
 statement ok
 CREATE MATERIALIZED VIEW m AS SELECT * FROM t1;

e2e_test/streaming/rate_limit/snapshot_amplification.slt

@@ -6,7 +6,7 @@ statement ok
 SET STREAMING_PARALLELISM=2;
 
 statement ok
-SET STREAMING_RATE_LIMIT=1;
+SET BACKFILL_RATE_LIMIT=1;
 
 statement ok
 CREATE TABLE table (i1 int);

e2e_test/streaming/rate_limit/upstream_amplification.slt

@@ -7,7 +7,7 @@ statement ok
 SET STREAMING_PARALLELISM=2;
 
 statement ok
-SET STREAMING_RATE_LIMIT=1;
+SET BACKFILL_RATE_LIMIT=1;
 
 statement ok
 CREATE TABLE source_table (i1 int)

src/common/src/session_config/mod.rs

@@ -54,7 +54,8 @@ type SessionConfigResult<T> = std::result::Result<T, SessionConfigError>;
 
 // NOTE(kwannoel): We declare it separately as a constant,
 // otherwise seems like it can't infer the type of -1 when written inline.
-const DISABLE_STREAMING_RATE_LIMIT: i32 = -1;
+const DISABLE_BACKFILL_RATE_LIMIT: i32 = -1;
+const DISABLE_SOURCE_RATE_LIMIT: i32 = -1;
 
 #[serde_as]
 /// This is the Session Config of RisingWave.
@@ -253,11 +254,17 @@ pub struct SessionConfig {
     #[parameter(default = STANDARD_CONFORMING_STRINGS)]
     standard_conforming_strings: String,
 
+    /// Set streaming rate limit (rows per second) for each parallelism for mv / source / sink backfilling
+    /// If set to -1, disable rate limit.
+    /// If set to 0, this pauses the snapshot read / source read.
+    #[parameter(default = DISABLE_BACKFILL_RATE_LIMIT)]
+    backfill_rate_limit: i32,
+
     /// Set streaming rate limit (rows per second) for each parallelism for mv / source backfilling, source reads.
     /// If set to -1, disable rate limit.
     /// If set to 0, this pauses the snapshot read / source read.
-    #[parameter(default = DISABLE_STREAMING_RATE_LIMIT)]
-    streaming_rate_limit: i32,
+    #[parameter(default = DISABLE_SOURCE_RATE_LIMIT)]
+    source_rate_limit: i32,
 
     /// Cache policy for partition cache in streaming over window.
     /// Can be "full", "recent", "`recent_first_n`" or "`recent_last_n`".

src/frontend/src/handler/alter_streaming_rate_limit.rs

@@ -68,7 +68,7 @@ pub async fn handle_alter_streaming_rate_limit(
             let source_id = if let Some(id) = table.associated_source_id {
                 id.table_id()
             } else {
-                bail!("ALTER STREAMING_RATE_LIMIT is not for table without source")
+                bail!("ALTER SOURCE_RATE_LIMIT is not for table without source")
             };
             (StatementType::ALTER_SOURCE, source_id)
         }

src/frontend/src/handler/mod.rs

@@ -697,7 +697,7 @@ pub async fn handle(
         } => alter_table_with_sr::handle_refresh_schema(handler_args, name).await,
         Statement::AlterTable {
             name,
-            operation: AlterTableOperation::SetStreamingRateLimit { rate_limit },
+            operation: AlterTableOperation::SetSourceRateLimit { rate_limit },
         } => {
             alter_streaming_rate_limit::handle_alter_streaming_rate_limit(
                 handler_args,
@@ -814,7 +814,7 @@ pub async fn handle(
         Statement::AlterView {
             materialized,
             name,
-            operation: AlterViewOperation::SetStreamingRateLimit { rate_limit },
+            operation: AlterViewOperation::SetBackfillRateLimit { rate_limit },
         } if materialized => {
             alter_streaming_rate_limit::handle_alter_streaming_rate_limit(
                 handler_args,
@@ -946,7 +946,7 @@ pub async fn handle(
         } => alter_source_with_sr::handler_refresh_schema(handler_args, name).await,
         Statement::AlterSource {
             name,
-            operation: AlterSourceOperation::SetStreamingRateLimit { rate_limit },
+            operation: AlterSourceOperation::SetSourceRateLimit { rate_limit },
         } => {
             alter_streaming_rate_limit::handle_alter_streaming_rate_limit(
                 handler_args,

src/frontend/src/optimizer/plan_node/stream_cdc_table_scan.rs

@@ -256,7 +256,7 @@ impl StreamCdcTableScan {
             // The table desc used by backfill executor
             state_table: Some(catalog),
             cdc_table_desc: Some(self.core.cdc_table_desc.to_protobuf()),
-            rate_limit: self.base.ctx().overwrite_options().streaming_rate_limit,
+            rate_limit: self.base.ctx().overwrite_options().backfill_rate_limit,
             disable_backfill: options.disable_backfill,
             options: Some(options),
         });

src/frontend/src/optimizer/plan_node/stream_fs_fetch.rs

@@ -119,7 +119,7 @@ impl StreamNode for StreamFsFetch {
                     .map(|c| c.to_protobuf())
                     .collect_vec(),
                 with_properties,
-                rate_limit: self.base.ctx().overwrite_options().streaming_rate_limit,
+                rate_limit: self.base.ctx().overwrite_options().source_rate_limit,
                 secret_refs,
             }
         });

src/frontend/src/optimizer/plan_node/stream_source.rs

@@ -112,7 +112,7 @@ impl StreamNode for StreamSource {
                     .map(|c| c.to_protobuf())
                     .collect_vec(),
                 with_properties,
-                rate_limit: self.base.ctx().overwrite_options().streaming_rate_limit,
+                rate_limit: self.base.ctx().overwrite_options().source_rate_limit,
                 secret_refs,
             }
         });

src/frontend/src/optimizer/plan_node/stream_source_scan.rs

@@ -158,7 +158,7 @@ impl StreamSourceScan {
                 .map(|c| c.to_protobuf())
                 .collect_vec(),
             with_properties,
-            rate_limit: self.base.ctx().overwrite_options().streaming_rate_limit,
+            rate_limit: self.base.ctx().overwrite_options().backfill_rate_limit,
             secret_refs,
         };
 

src/frontend/src/optimizer/plan_node/stream_table_scan.rs

@@ -320,7 +320,7 @@ impl StreamTableScan {
             table_desc: Some(self.core.table_desc.try_to_protobuf()?),
             state_table: Some(catalog),
             arrangement_table,
-            rate_limit: self.base.ctx().overwrite_options().streaming_rate_limit,
+            rate_limit: self.base.ctx().overwrite_options().backfill_rate_limit,
             ..Default::default()
         });