From 83e3c4b4e35ed1dea80cee4ba49cbb4c49d6e267 Mon Sep 17 00:00:00 2001 From: Li0k Date: Sun, 29 Sep 2024 18:22:34 +0800 Subject: [PATCH] feat(storage): Introduces a split implementation based on split_key to replace the previous move implementation. (#18594) --- .../dashboards/risingwave-dev-dashboard.json | 2 +- .../dashboards/risingwave-user-dashboard.json | 2 +- grafana/risingwave-dev-dashboard.dashboard.py | 6 +- grafana/risingwave-dev-dashboard.json | 2 +- grafana/risingwave-user-dashboard.json | 2 +- proto/hummock.proto | 9 + src/meta/service/src/hummock_service.rs | 9 +- src/meta/src/hummock/manager/commit_epoch.rs | 5 +- .../compaction/compaction_group_manager.rs | 178 +---- .../compaction/compaction_group_schedule.rs | 387 ++++++++- .../src/hummock/manager/compaction/mod.rs | 23 + src/meta/src/hummock/manager/tests.rs | 389 +++------ src/meta/src/hummock/manager/transaction.rs | 3 +- src/meta/src/rpc/metrics.rs | 10 +- .../compaction_group/hummock_version_ext.rs | 749 ++++++++++++++++-- .../hummock_sdk/src/compaction_group/mod.rs | 362 ++++++++- src/storage/hummock_sdk/src/lib.rs | 1 + .../hummock_test/src/compactor_tests.rs | 44 +- .../tests/integration_tests/compaction/mod.rs | 6 +- 19 files changed, 1601 insertions(+), 588 deletions(-) diff --git a/docker/dashboards/risingwave-dev-dashboard.json b/docker/dashboards/risingwave-dev-dashboard.json index 56565bbff2fef..e0abb720b3902 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":[]}},"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},"repeat":null,"repeatDirection":null,"span":6,"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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+ + // The split_key is the key that the group is split by. + // When GroupConstruct with commit_epoch, split_key will be empty + // When split_key is not None, GroupConstruct tells to use split_key to check each level and split the sstable_info in the level into two groups (bounded by split_key). + // For the left sstable_info, split_key (right_exclusive=true) will be used as key_range_right. + // In the current implementation split_key always contains a table_id, vnode = 0, epoch = MAX + optional bytes split_key = 7; } message GroupDestroy {} @@ -665,6 +673,7 @@ message RiseCtlUpdateCompactionConfigRequest { CompressionAlgorithm compression_algorithm = 17; uint32 max_l0_compact_level_count = 18; uint64 sst_allowed_trivial_move_min_size = 19; + uint32 split_weight_by_vnode = 20; } } repeated uint64 compaction_group_ids = 1; diff --git a/src/meta/service/src/hummock_service.rs b/src/meta/service/src/hummock_service.rs index 955a0f533d132..6373c027f15dc 100644 --- a/src/meta/service/src/hummock_service.rs +++ b/src/meta/service/src/hummock_service.rs @@ -381,8 +381,13 @@ impl HummockManagerService for HummockServiceImpl { let req = request.into_inner(); let new_group_id = self .hummock_manager - .split_compaction_group(req.group_id, &req.table_ids, req.partition_vnode_count) - .await?; + .move_state_tables_to_dedicated_compaction_group( + req.group_id, + &req.table_ids, + req.partition_vnode_count, + ) + .await? + .0; Ok(Response::new(SplitCompactionGroupResponse { new_group_id })) } diff --git a/src/meta/src/hummock/manager/commit_epoch.rs b/src/meta/src/hummock/manager/commit_epoch.rs index 12419fd0993b1..619a5d24426db 100644 --- a/src/meta/src/hummock/manager/commit_epoch.rs +++ b/src/meta/src/hummock/manager/commit_epoch.rs @@ -16,7 +16,7 @@ use std::collections::{BTreeMap, HashMap, HashSet}; use risingwave_common::catalog::TableId; use risingwave_hummock_sdk::change_log::ChangeLogDelta; -use risingwave_hummock_sdk::compaction_group::hummock_version_ext::split_sst; +use risingwave_hummock_sdk::compaction_group::group_split::split_sst_with_table_ids; use risingwave_hummock_sdk::compaction_group::StaticCompactionGroupId; use risingwave_hummock_sdk::sstable_info::SstableInfo; use risingwave_hummock_sdk::table_stats::{ @@ -390,7 +390,8 @@ impl HummockManager { }) .sum(); - let branch_sst = split_sst( + // TODO(li0k): replace with `split_sst` + let branch_sst = split_sst_with_table_ids( &mut sst.sst_info, &mut new_sst_id, origin_sst_size - new_sst_size, diff --git a/src/meta/src/hummock/manager/compaction/compaction_group_manager.rs b/src/meta/src/hummock/manager/compaction/compaction_group_manager.rs index 68d903bd680dd..a9823768925cf 100644 --- a/src/meta/src/hummock/manager/compaction/compaction_group_manager.rs +++ b/src/meta/src/hummock/manager/compaction/compaction_group_manager.rs @@ -19,20 +19,17 @@ use std::sync::Arc; use itertools::Itertools; use risingwave_common::catalog::TableId; use risingwave_common::util::epoch::INVALID_EPOCH; -use risingwave_hummock_sdk::compact_task::ReportTask; use risingwave_hummock_sdk::compaction_group::hummock_version_ext::{ get_compaction_group_ids, TableGroupInfo, }; use risingwave_hummock_sdk::compaction_group::{StateTableId, StaticCompactionGroupId}; -use risingwave_hummock_sdk::version::{GroupDelta, GroupDeltas}; +use risingwave_hummock_sdk::version::GroupDelta; use risingwave_hummock_sdk::CompactionGroupId; use risingwave_meta_model_v2::compaction_config; -use risingwave_pb::hummock::compact_task::TaskStatus; use risingwave_pb::hummock::rise_ctl_update_compaction_config_request::mutable_config::MutableConfig; use risingwave_pb::hummock::write_limits::WriteLimit; use risingwave_pb::hummock::{ - CompactionConfig, CompactionGroupInfo, CompatibilityVersion, PbGroupConstruct, PbGroupDestroy, - PbStateTableInfoDelta, + CompactionConfig, CompactionGroupInfo, PbGroupConstruct, PbGroupDestroy, PbStateTableInfoDelta, }; use tokio::sync::OnceCell; @@ -45,7 +42,7 @@ use crate::hummock::manager::versioning::Versioning; use crate::hummock::manager::{commit_multi_var, HummockManager}; use crate::hummock::metrics_utils::remove_compaction_group_in_sst_stat; use crate::hummock::model::CompactionGroup; -use crate::hummock::sequence::{next_compaction_group_id, next_sstable_object_id}; +use crate::hummock::sequence::next_compaction_group_id; use crate::manager::{MetaSrvEnv, MetaStoreImpl}; use crate::model::{ BTreeMapTransaction, BTreeMapTransactionInner, DerefMutForward, MetadataModel, @@ -422,172 +419,6 @@ impl HummockManager { results } - /// move some table to another compaction-group. Create a new compaction group if it does not - /// exist. - pub async fn move_state_table_to_compaction_group( - &self, - parent_group_id: CompactionGroupId, - table_ids: &[StateTableId], - partition_vnode_count: u32, - ) -> Result { - if table_ids.is_empty() { - return Ok(parent_group_id); - } - let table_ids = table_ids.iter().cloned().unique().collect_vec(); - let compaction_guard = self.compaction.write().await; - let mut versioning_guard = self.versioning.write().await; - let versioning = versioning_guard.deref_mut(); - // Validate parameters. - if !versioning - .current_version - .levels - .contains_key(&parent_group_id) - { - return Err(Error::CompactionGroup(format!( - "invalid group {}", - parent_group_id - ))); - } - - for table_id in &table_ids { - if !versioning - .current_version - .state_table_info - .compaction_group_member_table_ids(parent_group_id) - .contains(&TableId::new(*table_id)) - { - return Err(Error::CompactionGroup(format!( - "table {} doesn't in group {}", - table_id, parent_group_id - ))); - } - } - - if table_ids.len() - == versioning - .current_version - .state_table_info - .compaction_group_member_table_ids(parent_group_id) - .len() - { - return Err(Error::CompactionGroup(format!( - "invalid split attempt for group {}: all member tables are moved", - parent_group_id - ))); - } - let mut version = HummockVersionTransaction::new( - &mut versioning.current_version, - &mut versioning.hummock_version_deltas, - self.env.notification_manager(), - &self.metrics, - ); - let mut new_version_delta = version.new_delta(None); - - let new_sst_start_id = next_sstable_object_id( - &self.env, - new_version_delta - .latest_version() - .count_new_ssts_in_group_split( - parent_group_id, - HashSet::from_iter(table_ids.clone()), - ), - ) - .await?; - let (new_group, target_compaction_group_id) = { - { - // All NewCompactionGroup pairs are mapped to one new compaction group. - let new_compaction_group_id = next_compaction_group_id(&self.env).await?; - // The new config will be persisted later. - let mut config = self - .compaction_group_manager - .read() - .await - .default_compaction_config() - .as_ref() - .clone(); - config.split_weight_by_vnode = partition_vnode_count; - - #[expect(deprecated)] - // fill the deprecated field with default value - new_version_delta.group_deltas.insert( - new_compaction_group_id, - GroupDeltas { - group_deltas: vec![GroupDelta::GroupConstruct(PbGroupConstruct { - group_config: Some(config.clone()), - group_id: new_compaction_group_id, - parent_group_id, - new_sst_start_id, - table_ids: vec![], - version: CompatibilityVersion::NoMemberTableIds as i32, - })], - }, - ); - ((new_compaction_group_id, config), new_compaction_group_id) - } - }; - - let (new_compaction_group_id, config) = new_group; - new_version_delta.with_latest_version(|version, new_version_delta| { - for table_id in &table_ids { - let table_id = TableId::new(*table_id); - let info = version - .state_table_info - .info() - .get(&table_id) - .expect("have check exist previously"); - assert!(new_version_delta - .state_table_info_delta - .insert( - table_id, - PbStateTableInfoDelta { - committed_epoch: info.committed_epoch, - compaction_group_id: new_compaction_group_id, - } - ) - .is_none()); - } - }); - { - let mut compaction_group_manager = self.compaction_group_manager.write().await; - let mut compaction_groups_txn = compaction_group_manager.start_compaction_groups_txn(); - compaction_groups_txn - .create_compaction_groups(new_compaction_group_id, Arc::new(config)); - - new_version_delta.pre_apply(); - commit_multi_var!(self.meta_store_ref(), version, compaction_groups_txn)?; - } - // Instead of handling DeltaType::GroupConstruct for time travel, simply enforce a version snapshot. - versioning.mark_next_time_travel_version_snapshot(); - let mut canceled_tasks = vec![]; - for task_assignment in compaction_guard.compact_task_assignment.values() { - if let Some(task) = task_assignment.compact_task.as_ref() { - let need_cancel = HummockManager::is_compact_task_expired( - &task.into(), - &versioning.current_version, - ); - if need_cancel { - canceled_tasks.push(ReportTask { - task_id: task.task_id, - task_status: TaskStatus::ManualCanceled, - table_stats_change: HashMap::default(), - sorted_output_ssts: vec![], - }); - } - } - } - - drop(versioning_guard); - drop(compaction_guard); - self.report_compact_tasks(canceled_tasks).await?; - - self.metrics - .move_state_table_count - .with_label_values(&[&parent_group_id.to_string()]) - .inc(); - - Ok(target_compaction_group_id) - } - pub async fn calculate_compaction_group_statistic(&self) -> Vec { let mut infos = vec![]; { @@ -755,6 +586,9 @@ fn update_compaction_config(target: &mut CompactionConfig, items: &[MutableConfi MutableConfig::SstAllowedTrivialMoveMinSize(c) => { target.sst_allowed_trivial_move_min_size = Some(*c); } + MutableConfig::SplitWeightByVnode(c) => { + target.split_weight_by_vnode = *c; + } } } } diff --git a/src/meta/src/hummock/manager/compaction/compaction_group_schedule.rs b/src/meta/src/hummock/manager/compaction/compaction_group_schedule.rs index f6d464590d02b..863d3e532ece4 100644 --- a/src/meta/src/hummock/manager/compaction/compaction_group_schedule.rs +++ b/src/meta/src/hummock/manager/compaction/compaction_group_schedule.rs @@ -12,41 +12,35 @@ // See the License for the specific language governing permissions and // limitations under the License. -use std::collections::{HashMap, HashSet, VecDeque}; +use std::collections::{BTreeMap, HashMap, HashSet, VecDeque}; use std::ops::DerefMut; +use std::sync::Arc; +use bytes::Bytes; use itertools::Itertools; use risingwave_common::catalog::TableId; +use risingwave_common::hash::VirtualNode; use risingwave_hummock_sdk::compact_task::ReportTask; use risingwave_hummock_sdk::compaction_group::hummock_version_ext::TableGroupInfo; -use risingwave_hummock_sdk::compaction_group::{StateTableId, StaticCompactionGroupId}; +use risingwave_hummock_sdk::compaction_group::{ + group_split, StateTableId, StaticCompactionGroupId, +}; use risingwave_hummock_sdk::version::{GroupDelta, GroupDeltas}; use risingwave_hummock_sdk::{can_concat, CompactionGroupId}; use risingwave_pb::hummock::compact_task::TaskStatus; -use risingwave_pb::hummock::{PbGroupMerge, PbStateTableInfoDelta}; +use risingwave_pb::hummock::rise_ctl_update_compaction_config_request::mutable_config::MutableConfig; +use risingwave_pb::hummock::{ + CompatibilityVersion, PbGroupConstruct, PbGroupMerge, PbStateTableInfoDelta, +}; use thiserror_ext::AsReport; use crate::hummock::error::{Error, Result}; use crate::hummock::manager::transaction::HummockVersionTransaction; use crate::hummock::manager::{commit_multi_var, HummockManager}; use crate::hummock::metrics_utils::remove_compaction_group_in_sst_stat; +use crate::hummock::sequence::{next_compaction_group_id, next_sstable_object_id}; impl HummockManager { - /// Splits a compaction group into two. The new one will contain `table_ids`. - /// Returns the newly created compaction group id. - pub async fn split_compaction_group( - &self, - parent_group_id: CompactionGroupId, - table_ids: &[StateTableId], - partition_vnode_count: u32, - ) -> Result { - let result = self - .move_state_table_to_compaction_group(parent_group_id, table_ids, partition_vnode_count) - .await?; - - Ok(result) - } - pub async fn merge_compaction_group( &self, group_1: CompactionGroupId, @@ -239,10 +233,13 @@ impl HummockManager { let mut canceled_tasks = vec![]; // after merge, all tasks in right_group_id should be canceled // otherwise, pending size calculation by level handler will make some mistake - for task_assignment in compaction_guard.compact_task_assignment.values() { - if let Some(task) = task_assignment.compact_task.as_ref() { - let need_cancel = task.compaction_group_id == right_group_id; - if need_cancel { + let compact_task_assignments = + compaction_guard.get_compact_task_assignments_by_group_id(right_group_id); + compact_task_assignments + .into_iter() + .for_each(|task_assignment| { + if let Some(task) = task_assignment.compact_task.as_ref() { + assert_eq!(task.compaction_group_id, right_group_id); canceled_tasks.push(ReportTask { task_id: task.task_id, task_status: TaskStatus::ManualCanceled, @@ -250,8 +247,7 @@ impl HummockManager { sorted_output_ssts: vec![], }); } - } - } + }); drop(versioning_guard); drop(compaction_guard); @@ -340,15 +336,21 @@ impl HummockManager { } let ret = self - .move_state_table_to_compaction_group( + .move_state_tables_to_dedicated_compaction_group( parent_group_id, &[*table_id], partition_vnode_count, ) .await; match ret { - Ok(new_group_id) => { - tracing::info!("move state table [{}] from group-{} to group-{} success table_vnode_partition_count {:?}", table_id, parent_group_id, new_group_id, partition_vnode_count); + Ok((target_compaction_group_id, cg_id_to_table_ids)) => { + tracing::info!( + "split state table [{}] success (source_group_id {} target_group_id {}) cg_id_to_table_ids {:?}", + table_id, + parent_group_id, + target_compaction_group_id, + cg_id_to_table_ids + ); } Err(e) => { tracing::info!( @@ -361,3 +363,334 @@ impl HummockManager { } } } + +impl HummockManager { + /// Split `table_ids` to a dedicated compaction group.(will be split by the `table_id` and `vnode`.) + /// Returns the compaction group id containing the `table_ids` and the mapping of compaction group id to table ids. + /// The split will follow the following rules + /// 1. ssts with `key_range.left` greater than `split_key` will be split to the right group + /// 2. the sst containing `split_key` will be split into two separate ssts and their `key_range` will be changed `sst_1`: [`sst.key_range.left`, `split_key`) `sst_2`: [`split_key`, `sst.key_range.right`] + /// 3. currently only `vnode` 0 and `vnode` max is supported. (Due to the above rule, vnode max will be rewritten as `table_id` + 1, `vnode` 0) + /// `parent_group_id`: the `group_id` to split + /// `split_table_ids`: the `table_ids` to split, now we still support to split multiple tables to one group at once, pass `split_table_ids` for per `split` operation for checking + /// `table_id_to_split`: the `table_id` to split + /// `vnode_to_split`: the `vnode` to split + /// `partition_vnode_count`: the partition count for the single table group if need + async fn split_compaction_group_impl( + &self, + parent_group_id: CompactionGroupId, + split_table_ids: &[StateTableId], + table_id_to_split: StateTableId, + vnode_to_split: VirtualNode, + partition_vnode_count: u32, + ) -> Result)>> { + let mut result = vec![]; + let compaction_guard = self.compaction.write().await; + let mut versioning_guard = self.versioning.write().await; + let versioning = versioning_guard.deref_mut(); + // Validate parameters. + if !versioning + .current_version + .levels + .contains_key(&parent_group_id) + { + return Err(Error::CompactionGroup(format!( + "invalid group {}", + parent_group_id + ))); + } + + let member_table_ids = versioning + .current_version + .state_table_info + .compaction_group_member_table_ids(parent_group_id); + + if !member_table_ids.contains(&TableId::new(table_id_to_split)) { + return Err(Error::CompactionGroup(format!( + "table {} doesn't in group {}", + table_id_to_split, parent_group_id + ))); + } + + let split_full_key = group_split::build_split_full_key(table_id_to_split, vnode_to_split); + + // change to vec for partition + let table_ids = member_table_ids + .iter() + .map(|table_id| table_id.table_id) + .collect_vec(); + // avoid decode split_key when caller is aware of the table_id and vnode + let (table_ids_left, table_ids_right) = + group_split::split_table_ids_with_table_id_and_vnode( + &table_ids, + split_full_key.user_key.table_id.table_id(), + split_full_key.user_key.get_vnode_id(), + ); + if table_ids_left.is_empty() || table_ids_right.is_empty() { + // not need to split group if all tables are in the same side + if !table_ids_left.is_empty() { + result.push((parent_group_id, table_ids_left)); + } + + if !table_ids_right.is_empty() { + result.push((parent_group_id, table_ids_right)); + } + return Ok(result); + } + + result.push((parent_group_id, table_ids_left)); + + let split_key: Bytes = split_full_key.encode().into(); + + let mut version = HummockVersionTransaction::new( + &mut versioning.current_version, + &mut versioning.hummock_version_deltas, + self.env.notification_manager(), + &self.metrics, + ); + let mut new_version_delta = version.new_delta(None); + + let split_sst_count = new_version_delta + .latest_version() + .count_new_ssts_in_group_split(parent_group_id, split_key.clone()); + + let new_sst_start_id = next_sstable_object_id(&self.env, split_sst_count).await?; + let (new_compaction_group_id, config) = { + // All NewCompactionGroup pairs are mapped to one new compaction group. + let new_compaction_group_id = next_compaction_group_id(&self.env).await?; + // The new config will be persisted later. + let config = self + .compaction_group_manager + .read() + .await + .default_compaction_config() + .as_ref() + .clone(); + + #[expect(deprecated)] + // fill the deprecated field with default value + new_version_delta.group_deltas.insert( + new_compaction_group_id, + GroupDeltas { + group_deltas: vec![GroupDelta::GroupConstruct(PbGroupConstruct { + group_config: Some(config.clone()), + group_id: new_compaction_group_id, + parent_group_id, + new_sst_start_id, + table_ids: vec![], + version: CompatibilityVersion::SplitGroupByTableId as i32, // for compatibility + split_key: Some(split_key.into()), + })], + }, + ); + (new_compaction_group_id, config) + }; + + new_version_delta.with_latest_version(|version, new_version_delta| { + for table_id in &table_ids_right { + let table_id = TableId::new(*table_id); + let info = version + .state_table_info + .info() + .get(&table_id) + .expect("have check exist previously"); + assert!(new_version_delta + .state_table_info_delta + .insert( + table_id, + PbStateTableInfoDelta { + committed_epoch: info.committed_epoch, + compaction_group_id: new_compaction_group_id, + } + ) + .is_none()); + } + }); + + result.push((new_compaction_group_id, table_ids_right)); + + { + let mut compaction_group_manager = self.compaction_group_manager.write().await; + let mut compaction_groups_txn = compaction_group_manager.start_compaction_groups_txn(); + compaction_groups_txn + .create_compaction_groups(new_compaction_group_id, Arc::new(config)); + + // check if need to update the compaction config for the single table group and guarantee the operation atomicity + // `partition_vnode_count` only works inside a table, to avoid a lot of slicing sst, we only enable it in groups with high throughput and only one table. + // The target `table_ids` might be split to an existing group, so we need to try to update its config + for (cg_id, table_ids) in &result { + // check the split_tables had been place to the dedicated compaction group + if table_ids.len() == 1 && table_ids == split_table_ids { + if let Err(err) = compaction_groups_txn.update_compaction_config( + &[*cg_id], + &[MutableConfig::SplitWeightByVnode(partition_vnode_count)], + ) { + tracing::error!( + error = %err.as_report(), + "failed to update compaction config for group-{}", + cg_id + ); + } + } + } + + new_version_delta.pre_apply(); + commit_multi_var!(self.meta_store_ref(), version, compaction_groups_txn)?; + } + // Instead of handling DeltaType::GroupConstruct for time travel, simply enforce a version snapshot. + versioning.mark_next_time_travel_version_snapshot(); + let mut canceled_tasks = vec![]; + let compact_task_assignments = + compaction_guard.get_compact_task_assignments_by_group_id(parent_group_id); + compact_task_assignments + .into_iter() + .for_each(|task_assignment| { + if let Some(task) = task_assignment.compact_task.as_ref() { + let need_cancel = HummockManager::is_compact_task_expired( + &task.into(), + &versioning.current_version, + ); + if need_cancel { + canceled_tasks.push(ReportTask { + task_id: task.task_id, + task_status: TaskStatus::ManualCanceled, + table_stats_change: HashMap::default(), + sorted_output_ssts: vec![], + }); + } + } + }); + + drop(versioning_guard); + drop(compaction_guard); + self.report_compact_tasks(canceled_tasks).await?; + + self.metrics + .split_compaction_group_count + .with_label_values(&[&parent_group_id.to_string()]) + .inc(); + + Ok(result) + } + + /// Split `table_ids` to a dedicated compaction group. + /// Returns the compaction group id containing the `table_ids` and the mapping of compaction group id to table ids. + pub async fn move_state_tables_to_dedicated_compaction_group( + &self, + parent_group_id: CompactionGroupId, + table_ids: &[StateTableId], + partition_vnode_count: u32, + ) -> Result<( + CompactionGroupId, + BTreeMap>, + )> { + if table_ids.is_empty() { + return Err(Error::CompactionGroup( + "table_ids must not be empty".to_string(), + )); + } + + if !table_ids.is_sorted() { + return Err(Error::CompactionGroup( + "table_ids must be sorted".to_string(), + )); + } + + let parent_table_ids = { + let versioning_guard = self.versioning.read().await; + versioning_guard + .current_version + .state_table_info + .compaction_group_member_table_ids(parent_group_id) + .iter() + .map(|table_id| table_id.table_id) + .collect_vec() + }; + + if parent_table_ids == table_ids { + return Err(Error::CompactionGroup(format!( + "invalid split attempt for group {}: all member tables are moved", + parent_group_id + ))); + } + + fn check_table_ids_valid(cg_id_to_table_ids: &BTreeMap>) { + // 1. table_ids in different cg are sorted. + { + cg_id_to_table_ids + .iter() + .for_each(|(_cg_id, table_ids)| assert!(table_ids.is_sorted())); + } + + // 2.table_ids in different cg are non-overlapping + { + let mut table_table_ids_vec = cg_id_to_table_ids.values().cloned().collect_vec(); + table_table_ids_vec.sort_by(|a, b| a[0].cmp(&b[0])); + assert!(table_table_ids_vec.concat().is_sorted()); + } + + // 3.table_ids belong to one and only one cg. + { + let mut all_table_ids = HashSet::new(); + for table_ids in cg_id_to_table_ids.values() { + for table_id in table_ids { + assert!(all_table_ids.insert(*table_id)); + } + } + } + } + + // move [3,4,5,6] + // [1,2,3,4,5,6,7,8,9,10] -> [1,2] [3,4,5,6] [7,8,9,10] + // split key + // 1. table_id = 3, vnode = 0, epoch = MAX + // 2. table_id = 7, vnode = 0, epoch = MAX + + // The new compaction group id is always generate on the right side + // Hence, we return the first compaction group id as the result + // split 1 + let mut cg_id_to_table_ids: BTreeMap> = BTreeMap::new(); + let table_id_to_split = *table_ids.first().unwrap(); + let mut target_compaction_group_id = 0; + let result_vec = self + .split_compaction_group_impl( + parent_group_id, + table_ids, + table_id_to_split, + VirtualNode::ZERO, + partition_vnode_count, + ) + .await?; + assert!(result_vec.len() <= 2); + for (cg_id, table_ids) in result_vec { + if table_ids.contains(&table_id_to_split) { + target_compaction_group_id = cg_id; + } + cg_id_to_table_ids.insert(cg_id, table_ids); + } + check_table_ids_valid(&cg_id_to_table_ids); + + // split 2 + // See the example above and the split rule in `split_compaction_group_impl`. + let table_id_to_split = *table_ids.last().unwrap(); + let result_vec = self + .split_compaction_group_impl( + target_compaction_group_id, + table_ids, + table_id_to_split, + VirtualNode::MAX_REPRESENTABLE, + partition_vnode_count, + ) + .await?; + assert!(result_vec.len() <= 2); + for (cg_id, table_ids) in result_vec { + if table_ids.contains(&table_id_to_split) { + target_compaction_group_id = cg_id; + } + cg_id_to_table_ids.insert(cg_id, table_ids); + } + check_table_ids_valid(&cg_id_to_table_ids); + + Ok((target_compaction_group_id, cg_id_to_table_ids)) + } +} diff --git a/src/meta/src/hummock/manager/compaction/mod.rs b/src/meta/src/hummock/manager/compaction/mod.rs index 7c0c27a07921a..f05706402e7a8 100644 --- a/src/meta/src/hummock/manager/compaction/mod.rs +++ b/src/meta/src/hummock/manager/compaction/mod.rs @@ -1662,3 +1662,26 @@ impl CompactionState { } } } + +impl Compaction { + pub fn get_compact_task_assignments_by_group_id( + &self, + compaction_group_id: CompactionGroupId, + ) -> Vec { + self.compact_task_assignment + .iter() + .filter_map(|(_, assignment)| { + if assignment.compact_task.as_ref().map_or(false, |task| { + task.compaction_group_id == compaction_group_id + }) { + Some(CompactTaskAssignment { + compact_task: assignment.compact_task.clone(), + context_id: assignment.context_id, + }) + } else { + None + } + }) + .collect() + } +} diff --git a/src/meta/src/hummock/manager/tests.rs b/src/meta/src/hummock/manager/tests.rs index 6fc6ba8110b0e..f816400368b6d 100644 --- a/src/meta/src/hummock/manager/tests.rs +++ b/src/meta/src/hummock/manager/tests.rs @@ -1357,7 +1357,7 @@ async fn test_version_stats() { } #[tokio::test] -async fn test_split_compaction_group_on_commit() { +async fn test_move_state_tables_to_dedicated_compaction_group_on_commit() { let (_env, hummock_manager, _, worker_node) = setup_compute_env(80).await; let hummock_meta_client: Arc = Arc::new(MockHummockMetaClient::new( hummock_manager.clone(), @@ -1368,17 +1368,7 @@ async fn test_split_compaction_group_on_commit() { .await .unwrap(); let sst_1 = LocalSstableInfo { - sst_info: SstableInfo { - object_id: 10, - sst_id: 10, - key_range: KeyRange::default(), - table_ids: vec![100, 101], - min_epoch: 20, - max_epoch: 20, - file_size: 100, - sst_size: 100, - ..Default::default() - }, + sst_info: gen_sstable_info(10, vec![100, 101], test_epoch(20)), table_stats: HashMap::from([ ( 100, @@ -1438,7 +1428,7 @@ async fn test_split_compaction_group_on_commit() { } #[tokio::test] -async fn test_split_compaction_group_on_demand_basic() { +async fn test_move_state_tables_to_dedicated_compaction_group_on_demand_basic() { let (_env, hummock_manager, _, worker_node) = setup_compute_env(80).await; let hummock_meta_client: Arc = Arc::new(MockHummockMetaClient::new( hummock_manager.clone(), @@ -1455,13 +1445,13 @@ async fn test_split_compaction_group_on_demand_basic() { assert_eq!(original_groups, vec![2, 3]); let err = hummock_manager - .split_compaction_group(100, &[0], 0) + .move_state_tables_to_dedicated_compaction_group(100, &[0], 0) .await .unwrap_err(); assert_eq!("compaction group error: invalid group 100", err.to_string()); let err = hummock_manager - .split_compaction_group(2, &[100], 0) + .move_state_tables_to_dedicated_compaction_group(2, &[100], 0) .await .unwrap_err(); assert_eq!( @@ -1474,39 +1464,11 @@ async fn test_split_compaction_group_on_demand_basic() { .await .unwrap(); let sst_1 = LocalSstableInfo { - sst_info: SstableInfo { - object_id: 10, - sst_id: 10, - key_range: KeyRange { - left: iterator_test_key_of_epoch(100, 1, 20).into(), - right: iterator_test_key_of_epoch(100, 100, 20).into(), - right_exclusive: false, - }, - table_ids: vec![100], - min_epoch: 20, - max_epoch: 20, - file_size: 100, - sst_size: 100, - ..Default::default() - }, + sst_info: gen_sstable_info(10, vec![100], test_epoch(20)), table_stats: Default::default(), }; let sst_2 = LocalSstableInfo { - sst_info: SstableInfo { - object_id: 11, - sst_id: 11, - key_range: KeyRange { - left: iterator_test_key_of_epoch(100, 101, 20).into(), - right: iterator_test_key_of_epoch(101, 100, 20).into(), - right_exclusive: false, - }, - table_ids: vec![100, 101], - min_epoch: 20, - max_epoch: 20, - file_size: 100, - sst_size: 100, - ..Default::default() - }, + sst_info: gen_sstable_info(11, vec![100, 101], test_epoch(20)), table_stats: Default::default(), }; hummock_meta_client @@ -1523,7 +1485,7 @@ async fn test_split_compaction_group_on_demand_basic() { let compaction_group_id = StaticCompactionGroupId::StateDefault.into(); let err = hummock_manager - .split_compaction_group(compaction_group_id, &[100, 101], 0) + .move_state_tables_to_dedicated_compaction_group(compaction_group_id, &[100, 101], 0) .await .unwrap_err(); assert_eq!( @@ -1539,14 +1501,13 @@ async fn test_split_compaction_group_on_demand_basic() { .unwrap(); hummock_manager - .split_compaction_group(compaction_group_id, &[100, 101], 0) + .move_state_tables_to_dedicated_compaction_group(compaction_group_id, &[100, 101], 0) .await .unwrap(); let current_version = hummock_manager.get_current_version().await; assert_eq!(current_version.levels.len(), 3); let new_compaction_group_id = get_compaction_group_id_by_table_id(hummock_manager.clone(), 100).await; - assert!(new_compaction_group_id > StaticCompactionGroupId::End as u64); let old_compaction_group_id = get_compaction_group_id_by_table_id(hummock_manager.clone(), 102).await; @@ -1580,24 +1541,14 @@ async fn test_split_compaction_group_on_demand_basic() { } #[tokio::test] -async fn test_split_compaction_group_on_demand_non_trivial() { +async fn test_move_state_tables_to_dedicated_compaction_group_on_demand_non_trivial() { let (_env, hummock_manager, _, worker_node) = setup_compute_env(80).await; let hummock_meta_client: Arc = Arc::new(MockHummockMetaClient::new( hummock_manager.clone(), worker_node.id, )); let sst_1 = LocalSstableInfo { - sst_info: SstableInfo { - object_id: 10, - sst_id: 10, - key_range: KeyRange::default(), - table_ids: vec![100, 101], - min_epoch: 20, - max_epoch: 20, - file_size: 100, - sst_size: 100, - ..Default::default() - }, + sst_info: gen_sstable_info(10, vec![100, 101], test_epoch(20)), table_stats: Default::default(), }; hummock_manager @@ -1618,7 +1569,7 @@ async fn test_split_compaction_group_on_demand_non_trivial() { let compaction_group_id = StaticCompactionGroupId::StateDefault.into(); hummock_manager - .split_compaction_group(compaction_group_id, &[100], 0) + .move_state_tables_to_dedicated_compaction_group(compaction_group_id, &[100], 0) .await .unwrap(); @@ -1626,7 +1577,6 @@ async fn test_split_compaction_group_on_demand_non_trivial() { assert_eq!(current_version.levels.len(), 3); let new_compaction_group_id = get_compaction_group_id_by_table_id(hummock_manager.clone(), 100).await; - assert!(new_compaction_group_id > StaticCompactionGroupId::End as u64); let old_compaction_group_id = get_compaction_group_id_by_table_id(hummock_manager.clone(), 101).await; assert_eq!( @@ -1658,7 +1608,7 @@ async fn test_split_compaction_group_on_demand_non_trivial() { } #[tokio::test] -async fn test_split_compaction_group_trivial_expired() { +async fn test_move_state_tables_to_dedicated_compaction_group_trivial_expired() { let (_env, hummock_manager, _, worker_node) = setup_compute_env(80).await; let hummock_meta_client: Arc = Arc::new(MockHummockMetaClient::new( hummock_manager.clone(), @@ -1679,39 +1629,12 @@ async fn test_split_compaction_group_trivial_expired() { .await .unwrap(); let sst_1 = LocalSstableInfo { - sst_info: SstableInfo { - object_id: 10, - sst_id: 10, - key_range: KeyRange { - left: iterator_test_key_of_epoch(100, 1, 20).into(), - right: iterator_test_key_of_epoch(100, 100, 20).into(), - right_exclusive: false, - }, - table_ids: vec![100], - min_epoch: 20, - max_epoch: 20, - file_size: 100, - sst_size: 100, - ..Default::default() - }, + sst_info: gen_sstable_info(10, vec![100], test_epoch(20)), table_stats: Default::default(), }; + let sst_2 = LocalSstableInfo { - sst_info: SstableInfo { - object_id: 11, - sst_id: 11, - table_ids: vec![101], - min_epoch: 20, - max_epoch: 20, - key_range: KeyRange { - left: iterator_test_key_of_epoch(101, 1, 20).into(), - right: iterator_test_key_of_epoch(101, 100, 20).into(), - right_exclusive: false, - }, - file_size: 100, - sst_size: 100, - ..Default::default() - }, + sst_info: gen_sstable_info(11, vec![100, 101], test_epoch(20)), table_stats: Default::default(), }; let mut sst_3 = sst_2.clone(); @@ -1738,29 +1661,28 @@ async fn test_split_compaction_group_trivial_expired() { .register_table_ids_for_test(&[(102, 2)]) .await .unwrap(); + let compaction_group_id = StaticCompactionGroupId::StateDefault.into(); let task = hummock_manager - .get_compact_task(2, &mut default_compaction_selector()) + .get_compact_task(compaction_group_id, &mut default_compaction_selector()) .await .unwrap() .unwrap(); - let compaction_group_id = StaticCompactionGroupId::StateDefault.into(); hummock_manager - .split_compaction_group(compaction_group_id, &[100], 0) + .move_state_tables_to_dedicated_compaction_group(compaction_group_id, &[100], 0) .await .unwrap(); let current_version = hummock_manager.get_current_version().await; - let new_compaction_group_id = + let left_compaction_group_id = get_compaction_group_id_by_table_id(hummock_manager.clone(), 100).await; - let old_compaction_group_id = + let right_compaction_group_id = get_compaction_group_id_by_table_id(hummock_manager.clone(), 101).await; assert_eq!(current_version.levels.len(), 3); - assert!(new_compaction_group_id > StaticCompactionGroupId::End as u64); assert_eq!( current_version .state_table_info - .compaction_group_member_table_ids(old_compaction_group_id) + .compaction_group_member_table_ids(right_compaction_group_id) .iter() .map(|table_id| table_id.table_id) .sorted() @@ -1770,7 +1692,7 @@ async fn test_split_compaction_group_trivial_expired() { assert_eq!( current_version .state_table_info - .compaction_group_member_table_ids(new_compaction_group_id) + .compaction_group_member_table_ids(left_compaction_group_id) .iter() .map(|table_id| table_id.table_id) .collect_vec(), @@ -1778,7 +1700,7 @@ async fn test_split_compaction_group_trivial_expired() { ); let task2 = hummock_manager - .get_compact_task(new_compaction_group_id, &mut default_compaction_selector()) + .get_compact_task(left_compaction_group_id, &mut default_compaction_selector()) .await .unwrap() .unwrap(); @@ -1829,7 +1751,7 @@ async fn get_manual_compact_task( } #[tokio::test] -async fn test_split_compaction_group_on_demand_bottom_levels() { +async fn test_move_state_tables_to_dedicated_compaction_group_on_demand_bottom_levels() { let (_env, hummock_manager, _, worker_node) = setup_compute_env(80).await; let hummock_meta_client: Arc = Arc::new(MockHummockMetaClient::new( hummock_manager.clone(), @@ -1837,33 +1759,31 @@ async fn test_split_compaction_group_on_demand_bottom_levels() { )); hummock_manager - .register_table_ids_for_test(&[(100, 2), (101, 2)]) + .register_table_ids_for_test(&[(100, 2), (101, 2), (102, 2), (103, 2)]) .await .unwrap(); + let epoch = test_epoch(1); let sst_1 = LocalSstableInfo { - sst_info: SstableInfo { - object_id: 10, - sst_id: 10, - key_range: KeyRange { - left: iterator_test_key_of_epoch(1, 1, 1).into(), - right: iterator_test_key_of_epoch(1, 1, 1).into(), - right_exclusive: false, - }, - table_ids: vec![100, 101], - min_epoch: 20, - max_epoch: 20, - file_size: 100, - sst_size: 100, - ..Default::default() - }, + sst_info: gen_sstable_info(10, vec![100], epoch), table_stats: Default::default(), }; + + let sst_2 = LocalSstableInfo { + sst_info: gen_sstable_info(11, vec![101, 102], epoch), + table_stats: Default::default(), + }; + + let sst_3 = LocalSstableInfo { + sst_info: gen_sstable_info(12, vec![103], epoch), + table_stats: Default::default(), + }; + hummock_meta_client .commit_epoch( 30, SyncResult { - uncommitted_ssts: vec![sst_1.clone()], + uncommitted_ssts: vec![sst_1, sst_2, sst_3], ..Default::default() }, false, @@ -1871,77 +1791,58 @@ async fn test_split_compaction_group_on_demand_bottom_levels() { .await .unwrap(); - // Construct data via manual compaction - let compaction_group_id = StaticCompactionGroupId::StateDefault.into(); - let compaction_task = - get_manual_compact_task(hummock_manager.clone(), compaction_group_id, 0).await; - let base_level: usize = 6; - assert_eq!(compaction_task.input_ssts[0].table_infos.len(), 1); - assert_eq!(compaction_task.target_level, base_level as u32); + let compaction_group_id = + get_compaction_group_id_by_table_id(hummock_manager.clone(), 100).await; - assert!(hummock_manager + let manual_compcation_option = ManualCompactionOption { + level: 0, + ..Default::default() + }; + // 2. get compact task + let compact_task = hummock_manager + .manual_get_compact_task(compaction_group_id, manual_compcation_option) + .await + .unwrap() + .unwrap(); + + assert_eq!( + compact_task + .input_ssts + .iter() + .map(|level| level.table_infos.len()) + .sum::(), + 3, + ); + + hummock_manager .report_compact_task( - compaction_task.task_id, + compact_task.task_id, TaskStatus::Success, - vec![ - SstableInfo { - object_id: 11, - sst_id: 11, - table_ids: vec![100, 101], - key_range: KeyRange { - left: iterator_test_key_of_epoch(1, 1, 1).into(), - right: iterator_test_key_of_epoch(1, 1, 1).into(), - right_exclusive: false, - }, - file_size: 100, - sst_size: 100, - ..Default::default() - }, - SstableInfo { - object_id: 12, - sst_id: 12, - table_ids: vec![100], - key_range: KeyRange { - left: iterator_test_key_of_epoch(1, 2, 2).into(), - right: iterator_test_key_of_epoch(1, 2, 2).into(), - right_exclusive: false, - }, - file_size: 100, - sst_size: 100, - ..Default::default() - }, - ], + compact_task + .input_ssts + .iter() + .flat_map(|level| level.table_infos.clone()) + .collect(), None, ) .await - .unwrap()); - let current_version = hummock_manager.get_current_version().await; - assert!(current_version - .get_compaction_group_levels(compaction_group_id) - .l0 - .sub_levels - .is_empty()); - assert_eq!( - current_version - .get_compaction_group_levels(compaction_group_id) - .levels[base_level - 1] - .table_infos - .len(), - 2 - ); + .unwrap(); + + let base_level: usize = 6; hummock_manager - .split_compaction_group(compaction_group_id, &[100], 0) + .move_state_tables_to_dedicated_compaction_group(2, &[100], 0) .await .unwrap(); + let current_version = hummock_manager.get_current_version().await; - let new_compaction_group_id = + let left_compaction_group_id = get_compaction_group_id_by_table_id(hummock_manager.clone(), 100).await; - let old_compaction_group_id = + let right_compaction_group_id = get_compaction_group_id_by_table_id(hummock_manager.clone(), 101).await; assert_eq!( current_version - .get_compaction_group_levels(old_compaction_group_id) + .get_compaction_group_levels(left_compaction_group_id) .levels[base_level - 1] .table_infos .len(), @@ -1950,23 +1851,23 @@ async fn test_split_compaction_group_on_demand_bottom_levels() { assert_eq!( current_version - .get_compaction_group_levels(old_compaction_group_id) + .get_compaction_group_levels(right_compaction_group_id) .levels[base_level - 1] .table_infos[0] - .object_id, - sst_1.sst_info.object_id + 1, + .table_ids, + vec![101, 102] ); assert_eq!( current_version - .get_compaction_group_levels(old_compaction_group_id) + .get_compaction_group_levels(left_compaction_group_id) .levels[base_level - 1] - .table_infos[0] - .table_ids, - vec![101] + .table_infos + .len(), + 1 ); assert_eq!( current_version - .get_compaction_group_levels(new_compaction_group_id) + .get_compaction_group_levels(right_compaction_group_id) .levels[base_level - 1] .table_infos .len(), @@ -1974,7 +1875,7 @@ async fn test_split_compaction_group_on_demand_bottom_levels() { ); assert_eq!( current_version - .get_compaction_group_levels(new_compaction_group_id) + .get_compaction_group_levels(left_compaction_group_id) .levels[base_level - 1] .table_infos[0] .table_ids, @@ -1982,11 +1883,11 @@ async fn test_split_compaction_group_on_demand_bottom_levels() { ); assert_eq!( current_version - .get_compaction_group_levels(new_compaction_group_id) + .get_compaction_group_levels(right_compaction_group_id) .levels[base_level - 1] .table_infos[1] .table_ids, - vec![100] + vec![103] ); } @@ -2004,39 +1905,11 @@ async fn test_compaction_task_expiration_due_to_split_group() { .await .unwrap(); let sst_1 = LocalSstableInfo { - sst_info: SstableInfo { - object_id: 10, - sst_id: 10, - key_range: KeyRange { - left: iterator_test_key_of_epoch(1, 1, 1).into(), - right: iterator_test_key_of_epoch(1, 1, 1).into(), - right_exclusive: false, - }, - table_ids: vec![100, 101], - min_epoch: 20, - max_epoch: 20, - file_size: 100, - sst_size: 100, - ..Default::default() - }, + sst_info: gen_sstable_info(10, vec![100, 101], test_epoch(20)), table_stats: Default::default(), }; let sst_2 = LocalSstableInfo { - sst_info: SstableInfo { - object_id: 11, - sst_id: 11, - key_range: KeyRange { - left: iterator_test_key_of_epoch(1, 1, 1).into(), - right: iterator_test_key_of_epoch(1, 1, 1).into(), - right_exclusive: false, - }, - table_ids: vec![101], - min_epoch: 20, - max_epoch: 20, - file_size: 100, - sst_size: 100, - ..Default::default() - }, + sst_info: gen_sstable_info(11, vec![101], test_epoch(20)), table_stats: Default::default(), }; @@ -2057,7 +1930,7 @@ async fn test_compaction_task_expiration_due_to_split_group() { get_manual_compact_task(hummock_manager.clone(), compaction_group_id, 0).await; assert_eq!(compaction_task.input_ssts[0].table_infos.len(), 2); hummock_manager - .split_compaction_group(compaction_group_id, &[100], 0) + .move_state_tables_to_dedicated_compaction_group(compaction_group_id, &[100], 0) .await .unwrap(); @@ -2072,6 +1945,8 @@ async fn test_compaction_task_expiration_due_to_split_group() { "version should not change because compaction task has been cancelled" ); + let compaction_group_id = + get_compaction_group_id_by_table_id(hummock_manager.clone(), 101).await; let compaction_task = get_manual_compact_task(hummock_manager.clone(), compaction_group_id, 0).await; assert_eq!(compaction_task.input_ssts[0].table_infos.len(), 2); @@ -2138,7 +2013,7 @@ async fn test_move_tables_between_compaction_group() { assert!(sst_ids.contains(&14)); hummock_manager - .split_compaction_group(2, &[100], 0) + .move_state_tables_to_dedicated_compaction_group(2, &[100], 0) .await .unwrap(); let compaction_group_id = @@ -2274,7 +2149,11 @@ async fn test_partition_level() { let compaction_group_id = StaticCompactionGroupId::StateDefault.into(); hummock_manager - .split_compaction_group(compaction_group_id, &[100], env.opts.partition_vnode_count) + .move_state_tables_to_dedicated_compaction_group( + compaction_group_id, + &[100], + env.opts.partition_vnode_count, + ) .await .unwrap(); let new_compaction_group_id = @@ -2364,39 +2243,11 @@ async fn test_unregister_moved_table() { .await .unwrap(); let sst_1 = LocalSstableInfo { - sst_info: SstableInfo { - object_id: 10, - sst_id: 10, - key_range: KeyRange { - left: iterator_test_key_of_epoch(100, 1, 20).into(), - right: iterator_test_key_of_epoch(100, 100, 20).into(), - right_exclusive: false, - }, - table_ids: vec![100], - min_epoch: 20, - max_epoch: 20, - file_size: 100, - sst_size: 100, - ..Default::default() - }, + sst_info: gen_sstable_info(10, vec![100], test_epoch(20)), table_stats: Default::default(), }; let sst_2 = LocalSstableInfo { - sst_info: SstableInfo { - object_id: 11, - sst_id: 11, - key_range: KeyRange { - left: iterator_test_key_of_epoch(100, 101, 20).into(), - right: iterator_test_key_of_epoch(101, 100, 20).into(), - right_exclusive: false, - }, - table_ids: vec![100, 101], - min_epoch: 20, - max_epoch: 20, - file_size: 100, - sst_size: 100, - ..Default::default() - }, + sst_info: gen_sstable_info(11, vec![100, 101], test_epoch(20)), table_stats: Default::default(), }; @@ -2414,30 +2265,31 @@ async fn test_unregister_moved_table() { let compaction_group_id = StaticCompactionGroupId::StateDefault.into(); let new_compaction_group_id = hummock_manager - .split_compaction_group(compaction_group_id, &[100], 0) + .move_state_tables_to_dedicated_compaction_group(compaction_group_id, &[100], 0) .await - .unwrap(); - assert_ne!(new_compaction_group_id, 2); - assert!(new_compaction_group_id > StaticCompactionGroupId::End as u64); + .unwrap() + .0; let current_version = hummock_manager.get_current_version().await; - assert_eq!( - new_compaction_group_id, - current_version.levels.keys().max().cloned().unwrap() - ); + let left_compaction_group_id = + get_compaction_group_id_by_table_id(hummock_manager.clone(), 100).await; + assert_eq!(new_compaction_group_id, left_compaction_group_id); assert_eq!(current_version.levels.len(), 3); + + let right_compaction_group_id = + get_compaction_group_id_by_table_id(hummock_manager.clone(), 101).await; assert_eq!( - get_compaction_group_object_ids(¤t_version, 2), + get_compaction_group_object_ids(¤t_version, right_compaction_group_id), vec![11] ); assert_eq!( - get_compaction_group_object_ids(¤t_version, new_compaction_group_id), + get_compaction_group_object_ids(¤t_version, left_compaction_group_id), vec![10, 11] ); assert_eq!( current_version .state_table_info - .compaction_group_member_table_ids(2) + .compaction_group_member_table_ids(right_compaction_group_id) .iter() .map(|table_id| table_id.table_id) .collect_vec(), @@ -2446,7 +2298,7 @@ async fn test_unregister_moved_table() { assert_eq!( current_version .state_table_info - .compaction_group_member_table_ids(new_compaction_group_id) + .compaction_group_member_table_ids(left_compaction_group_id) .iter() .map(|table_id| table_id.table_id) .collect_vec(), @@ -2454,25 +2306,22 @@ async fn test_unregister_moved_table() { ); hummock_manager - .unregister_table_ids([TableId::new(100)]) + .unregister_table_ids([TableId::new(101)]) .await .unwrap(); let current_version = hummock_manager.get_current_version().await; assert_eq!(current_version.levels.len(), 2); - assert!(!current_version - .levels - .contains_key(&new_compaction_group_id)); assert_eq!( - get_compaction_group_object_ids(¤t_version, 2), - vec![11] + get_compaction_group_object_ids(¤t_version, left_compaction_group_id), + vec![10, 11] ); assert_eq!( current_version .state_table_info - .compaction_group_member_table_ids(2) + .compaction_group_member_table_ids(left_compaction_group_id) .iter() .map(|table_id| table_id.table_id) .collect_vec(), - vec![101] + vec![100] ); } diff --git a/src/meta/src/hummock/manager/transaction.rs b/src/meta/src/hummock/manager/transaction.rs index 74c2c45bff3ed..c664c76b400fc 100644 --- a/src/meta/src/hummock/manager/transaction.rs +++ b/src/meta/src/hummock/manager/transaction.rs @@ -155,7 +155,8 @@ impl<'a> HummockVersionTransaction<'a> { as CompactionGroupId, new_sst_start_id: 0, // No need to set it when `NewCompactionGroup` table_ids: vec![], - version: CompatibilityVersion::NoMemberTableIds as i32, + version: CompatibilityVersion::SplitGroupByTableId as i32, + split_key: None, })); } } diff --git a/src/meta/src/rpc/metrics.rs b/src/meta/src/rpc/metrics.rs index 98e51d0ed7851..382e83afa1533 100644 --- a/src/meta/src/rpc/metrics.rs +++ b/src/meta/src/rpc/metrics.rs @@ -174,7 +174,7 @@ pub struct MetaMetrics { pub compact_task_size: HistogramVec, pub compact_task_file_count: HistogramVec, pub compact_task_batch_count: HistogramVec, - pub move_state_table_count: IntCounterVec, + pub split_compaction_group_count: IntCounterVec, pub state_table_count: IntGaugeVec, pub branched_sst_count: IntGaugeVec, @@ -703,9 +703,9 @@ impl MetaMetrics { ) .unwrap(); - let move_state_table_count = register_int_counter_vec_with_registry!( - "storage_move_state_table_count", - "Count of trigger move state table", + let split_compaction_group_count = register_int_counter_vec_with_registry!( + "storage_split_compaction_group_count", + "Count of trigger split compaction group", &["group"], registry ) @@ -825,7 +825,7 @@ impl MetaMetrics { compact_task_file_count, compact_task_batch_count, table_write_throughput, - move_state_table_count, + split_compaction_group_count, state_table_count, branched_sst_count, compaction_event_consumed_latency, diff --git a/src/storage/hummock_sdk/src/compaction_group/hummock_version_ext.rs b/src/storage/hummock_sdk/src/compaction_group/hummock_version_ext.rs index 5ea75ec87897c..2ce4eeda1dc7d 100644 --- a/src/storage/hummock_sdk/src/compaction_group/hummock_version_ext.rs +++ b/src/storage/hummock_sdk/src/compaction_group/hummock_version_ext.rs @@ -27,7 +27,7 @@ use risingwave_pb::hummock::{ }; use tracing::warn; -use super::group_split::get_sub_level_insert_hint; +use super::group_split::split_sst_with_table_ids; use super::{group_split, StateTableId}; use crate::change_log::{ChangeLogDeltaCommon, TableChangeLogCommon}; use crate::compaction_group::StaticCompactionGroupId; @@ -36,8 +36,8 @@ use crate::level::{Level, Levels, OverlappingLevel}; use crate::sstable_info::SstableInfo; use crate::table_watermark::{ReadTableWatermark, TableWatermarks}; use crate::version::{ - GroupDelta, GroupDeltas, HummockVersion, HummockVersionDelta, HummockVersionStateTableInfo, - IntraLevelDelta, + GroupDelta, GroupDeltas, HummockVersion, HummockVersionCommon, HummockVersionDelta, + HummockVersionStateTableInfo, IntraLevelDelta, }; use crate::{can_concat, CompactionGroupId, HummockSstableId, HummockSstableObjectId}; @@ -327,27 +327,56 @@ impl HummockVersion { pub fn count_new_ssts_in_group_split( &self, parent_group_id: CompactionGroupId, - member_table_ids: HashSet, + split_key: Bytes, ) -> u64 { self.levels .get(&parent_group_id) .map_or(0, |parent_levels| { - parent_levels - .l0 - .sub_levels - .iter() - .chain(parent_levels.levels.iter()) - .flat_map(|level| &level.table_infos) - .map(|sst_info| { - // `sst_info.table_ids` will never be empty. - for table_id in &sst_info.table_ids { - if member_table_ids.contains(table_id) { - return 2; - } - } - 0 - }) - .sum() + let l0 = &parent_levels.l0; + let mut split_count = 0; + for sub_level in &l0.sub_levels { + if sub_level.level_type == PbLevelType::Overlapping { + // TODO: use table_id / vnode / key_range filter + split_count += sub_level + .table_infos + .iter() + .map(|sst| { + if let group_split::SstSplitType::Both = + group_split::need_to_split(sst, split_key.clone()) + { + 2 + } else { + 0 + } + }) + .sum::(); + continue; + } + + let pos = group_split::get_split_pos(&sub_level.table_infos, split_key.clone()); + let sst = sub_level.table_infos.get(pos).unwrap(); + + if let group_split::SstSplitType::Both = + group_split::need_to_split(sst, split_key.clone()) + { + split_count += 2; + } + } + + for level in &parent_levels.levels { + if level.table_infos.is_empty() { + continue; + } + let pos = group_split::get_split_pos(&level.table_infos, split_key.clone()); + let sst = level.table_infos.get(pos).unwrap(); + if let group_split::SstSplitType::Both = + group_split::need_to_split(sst, split_key.clone()) + { + split_count += 2; + } + } + + split_count }) } @@ -375,8 +404,10 @@ impl HummockVersion { } return; } else if !self.levels.contains_key(&parent_group_id) { - warn!(parent_group_id, "non-existing parent group id to init from"); - return; + unreachable!( + "non-existing parent group id {} to init from", + parent_group_id + ); } let [parent_levels, cur_levels] = self .levels @@ -402,7 +433,7 @@ impl HummockVersion { if insert_table_infos.is_empty() { continue; } - match get_sub_level_insert_hint(&target_l0.sub_levels, sub_level) { + match group_split::get_sub_level_insert_hint(&target_l0.sub_levels, sub_level) { Ok(idx) => { add_ssts_to_sub_level(target_l0, idx, insert_table_infos); } @@ -578,12 +609,27 @@ impl HummockVersion { BTreeSet::from_iter(group_construct.table_ids.clone()) }; - self.init_with_parent_group( - parent_group_id, - *compaction_group_id, - member_table_ids, - group_construct.get_new_sst_start_id(), - ); + if group_construct.version >= CompatibilityVersion::SplitGroupByTableId as _ { + let split_key = if group_construct.split_key.is_some() { + Some(Bytes::from(group_construct.split_key.clone().unwrap())) + } else { + None + }; + self.init_with_parent_group_v2( + parent_group_id, + *compaction_group_id, + group_construct.get_new_sst_start_id(), + split_key.clone(), + ); + } else { + // for backward-compatibility of previous hummock version delta + self.init_with_parent_group( + parent_group_id, + *compaction_group_id, + member_table_ids, + group_construct.get_new_sst_start_id(), + ); + } } else if let Some(group_merge) = &summary.group_merge { tracing::info!( "group_merge left {:?} right {:?}", @@ -835,6 +881,124 @@ impl HummockVersion { } } +impl HummockVersionCommon { + pub fn init_with_parent_group_v2( + &mut self, + parent_group_id: CompactionGroupId, + group_id: CompactionGroupId, + new_sst_start_id: u64, + split_key: Option, + ) { + let mut new_sst_id = new_sst_start_id; + if parent_group_id == StaticCompactionGroupId::NewCompactionGroup as CompactionGroupId { + if new_sst_start_id != 0 { + if cfg!(debug_assertions) { + panic!( + "non-zero sst start id {} for NewCompactionGroup", + new_sst_start_id + ); + } else { + warn!( + new_sst_start_id, + "non-zero sst start id for NewCompactionGroup" + ); + } + } + return; + } else if !self.levels.contains_key(&parent_group_id) { + unreachable!( + "non-existing parent group id {} to init from (V2)", + parent_group_id + ); + } + + let [parent_levels, cur_levels] = self + .levels + .get_many_mut([&parent_group_id, &group_id]) + .unwrap(); + let l0 = &mut parent_levels.l0; + { + for sub_level in &mut l0.sub_levels { + let target_l0 = &mut cur_levels.l0; + // Remove SST from sub level may result in empty sub level. It will be purged + // whenever another compaction task is finished. + let insert_table_infos = if let Some(split_key) = &split_key { + group_split::split_sst_info_for_level_v2( + sub_level, + &mut new_sst_id, + split_key.clone(), + ) + } else { + vec![] + }; + + if insert_table_infos.is_empty() { + continue; + } + + sub_level + .table_infos + .extract_if(|sst_info| sst_info.table_ids.is_empty()) + .for_each(|sst_info| { + sub_level.total_file_size -= sst_info.sst_size; + sub_level.uncompressed_file_size -= sst_info.uncompressed_file_size; + l0.total_file_size -= sst_info.sst_size; + l0.uncompressed_file_size -= sst_info.uncompressed_file_size; + }); + match group_split::get_sub_level_insert_hint(&target_l0.sub_levels, sub_level) { + Ok(idx) => { + add_ssts_to_sub_level(target_l0, idx, insert_table_infos); + } + Err(idx) => { + insert_new_sub_level( + target_l0, + sub_level.sub_level_id, + sub_level.level_type, + insert_table_infos, + Some(idx), + ); + } + } + } + } + + for (idx, level) in parent_levels.levels.iter_mut().enumerate() { + let insert_table_infos = if let Some(split_key) = &split_key { + group_split::split_sst_info_for_level_v2(level, &mut new_sst_id, split_key.clone()) + } else { + vec![] + }; + + if insert_table_infos.is_empty() { + continue; + } + + cur_levels.levels[idx].total_file_size += insert_table_infos + .iter() + .map(|sst| sst.sst_size) + .sum::(); + cur_levels.levels[idx].uncompressed_file_size += insert_table_infos + .iter() + .map(|sst| sst.uncompressed_file_size) + .sum::(); + cur_levels.levels[idx] + .table_infos + .extend(insert_table_infos); + cur_levels.levels[idx] + .table_infos + .sort_by(|sst1, sst2| sst1.key_range.cmp(&sst2.key_range)); + assert!(can_concat(&cur_levels.levels[idx].table_infos)); + level + .table_infos + .extract_if(|sst_info| sst_info.table_ids.is_empty()) + .for_each(|sst_info| { + level.total_file_size -= sst_info.sst_size; + level.uncompressed_file_size -= sst_info.uncompressed_file_size; + }); + } + } +} + #[easy_ext::ext(HummockLevelsExt)] impl Levels { pub fn apply_compact_ssts( @@ -1011,7 +1175,7 @@ fn split_sst_info_for_level( .cloned() .collect_vec(); if !removed_table_ids.is_empty() { - let branch_sst = split_sst( + let branch_sst = split_sst_with_table_ids( sst_info, new_sst_id, sst_info.sst_size / 2, @@ -1329,42 +1493,6 @@ pub fn validate_version(version: &HummockVersion) -> Vec { res } -pub fn split_sst( - sst_info: &mut SstableInfo, - new_sst_id: &mut u64, - old_sst_size: u64, - new_sst_size: u64, - new_table_ids: Vec, -) -> SstableInfo { - let mut branch_table_info = sst_info.clone(); - branch_table_info.sst_id = *new_sst_id; - branch_table_info.sst_size = new_sst_size; - *new_sst_id += 1; - - sst_info.sst_id = *new_sst_id; - sst_info.sst_size = old_sst_size; - *new_sst_id += 1; - - { - // related github.com/risingwavelabs/risingwave/pull/17898/ - // This is a temporary implementation that will update `table_ids`` based on the new split rule after PR 17898 - // sst_info.table_ids = vec[1, 2, 3]; - // new_table_ids = vec[2, 3, 4]; - // branch_table_info.table_ids = vec[1, 2, 3] ∩ vec[2, 3, 4] = vec[2, 3] - let set1: BTreeSet<_> = sst_info.table_ids.iter().cloned().collect(); - let set2: BTreeSet<_> = new_table_ids.into_iter().collect(); - let intersection: Vec<_> = set1.intersection(&set2).cloned().collect(); - - // Update table_ids - branch_table_info.table_ids = intersection; - sst_info - .table_ids - .retain(|table_id| !branch_table_info.table_ids.contains(table_id)); - } - - branch_table_info -} - #[cfg(test)] mod tests { use std::collections::HashMap; @@ -1372,9 +1500,11 @@ mod tests { use bytes::Bytes; use risingwave_common::catalog::TableId; use risingwave_common::hash::VirtualNode; + use risingwave_common::util::epoch::test_epoch; use risingwave_pb::hummock::{CompactionConfig, GroupConstruct, GroupDestroy, LevelType}; - use crate::compaction_group::group_split; + use super::group_split; + use crate::compaction_group::group_split::*; use crate::compaction_group::hummock_version_ext::build_initial_compaction_group_levels; use crate::key::{gen_key_from_str, FullKey}; use crate::key_range::KeyRange; @@ -1385,6 +1515,36 @@ mod tests { }; use crate::HummockVersionId; + fn gen_sstable_info(sst_id: u64, table_ids: Vec, epoch: u64) -> SstableInfo { + let table_key_l = gen_key_from_str(VirtualNode::ZERO, "1"); + let table_key_r = gen_key_from_str(VirtualNode::MAX_FOR_TEST, "1"); + let full_key_l = FullKey::for_test( + TableId::new(*table_ids.first().unwrap()), + table_key_l, + epoch, + ) + .encode(); + let full_key_r = + FullKey::for_test(TableId::new(*table_ids.last().unwrap()), table_key_r, epoch) + .encode(); + + SstableInfo { + sst_id, + key_range: KeyRange { + left: full_key_l.into(), + right: full_key_r.into(), + right_exclusive: false, + }, + table_ids, + object_id: sst_id, + min_epoch: 20, + max_epoch: 20, + file_size: 100, + sst_size: 100, + ..Default::default() + } + } + #[test] fn test_get_sst_object_ids() { let mut version = HummockVersion { @@ -1943,4 +2103,459 @@ mod tests { assert_eq!(600, left_levels.levels[0].total_file_size); } } + + #[test] + fn test_get_split_pos() { + let epoch = test_epoch(1); + let s1 = gen_sstable_info(1, vec![1, 2], epoch); + let s2 = gen_sstable_info(2, vec![3, 4, 5], epoch); + let s3 = gen_sstable_info(3, vec![6, 7], epoch); + + let ssts = vec![s1, s2, s3]; + let split_key = group_split::build_split_key(4, VirtualNode::ZERO); + + let pos = group_split::get_split_pos(&ssts, split_key.clone()); + assert_eq!(1, pos); + + let pos = group_split::get_split_pos(&vec![], split_key); + assert_eq!(0, pos); + } + + #[test] + fn test_split_sst() { + let epoch = test_epoch(1); + let sst = gen_sstable_info(1, vec![1, 2, 3, 5], epoch); + + { + let split_key = group_split::build_split_key(3, VirtualNode::ZERO); + let origin_sst = sst.clone(); + let sst_size = origin_sst.sst_size; + let split_type = group_split::need_to_split(&origin_sst, split_key.clone()); + assert_eq!(SstSplitType::Both, split_type); + + let mut new_sst_id = 10; + let (origin_sst, branched_sst) = group_split::split_sst( + origin_sst, + &mut new_sst_id, + split_key, + sst_size / 2, + sst_size / 2, + ); + + let origin_sst = origin_sst.unwrap(); + let branched_sst = branched_sst.unwrap(); + + assert!(origin_sst.key_range.right_exclusive); + assert!(origin_sst + .key_range + .right + .cmp(&branched_sst.key_range.left) + .is_le()); + assert!(origin_sst.table_ids.is_sorted()); + assert!(branched_sst.table_ids.is_sorted()); + assert!(origin_sst.table_ids.last().unwrap() < branched_sst.table_ids.first().unwrap()); + assert!(branched_sst.sst_size < origin_sst.file_size); + assert_eq!(10, branched_sst.sst_id); + assert_eq!(11, origin_sst.sst_id); + assert_eq!(&3, branched_sst.table_ids.first().unwrap()); // split table_id to right + } + + { + // test un-exist table_id + let split_key = group_split::build_split_key(4, VirtualNode::ZERO); + let origin_sst = sst.clone(); + let sst_size = origin_sst.sst_size; + let split_type = group_split::need_to_split(&origin_sst, split_key.clone()); + assert_eq!(SstSplitType::Both, split_type); + + let mut new_sst_id = 10; + let (origin_sst, branched_sst) = group_split::split_sst( + origin_sst, + &mut new_sst_id, + split_key, + sst_size / 2, + sst_size / 2, + ); + + let origin_sst = origin_sst.unwrap(); + let branched_sst = branched_sst.unwrap(); + + assert!(origin_sst.key_range.right_exclusive); + assert!(origin_sst.key_range.right.le(&branched_sst.key_range.left)); + assert!(origin_sst.table_ids.is_sorted()); + assert!(branched_sst.table_ids.is_sorted()); + assert!(origin_sst.table_ids.last().unwrap() < branched_sst.table_ids.first().unwrap()); + assert!(branched_sst.sst_size < origin_sst.file_size); + assert_eq!(10, branched_sst.sst_id); + assert_eq!(11, origin_sst.sst_id); + assert_eq!(&5, branched_sst.table_ids.first().unwrap()); // split table_id to right + } + + { + let split_key = group_split::build_split_key(6, VirtualNode::ZERO); + let origin_sst = sst.clone(); + let split_type = group_split::need_to_split(&origin_sst, split_key); + assert_eq!(SstSplitType::Left, split_type); + } + + { + let split_key = group_split::build_split_key(4, VirtualNode::ZERO); + let origin_sst = sst.clone(); + let split_type = group_split::need_to_split(&origin_sst, split_key); + assert_eq!(SstSplitType::Both, split_type); + + let split_key = group_split::build_split_key(1, VirtualNode::ZERO); + let origin_sst = sst.clone(); + let split_type = group_split::need_to_split(&origin_sst, split_key); + assert_eq!(SstSplitType::Right, split_type); + } + + { + // test key_range left = right + let mut sst = gen_sstable_info(1, vec![1], epoch); + sst.key_range.right = sst.key_range.left.clone(); + let split_key = group_split::build_split_key(1, VirtualNode::ZERO); + let origin_sst = sst.clone(); + let sst_size = origin_sst.sst_size; + + let mut new_sst_id = 10; + let (origin_sst, branched_sst) = group_split::split_sst( + origin_sst, + &mut new_sst_id, + split_key, + sst_size / 2, + sst_size / 2, + ); + + assert!(origin_sst.is_none()); + assert!(branched_sst.is_some()); + } + } + + #[test] + fn test_split_sst_info_for_level() { + let mut version = HummockVersion { + id: HummockVersionId(0), + levels: HashMap::from_iter([( + 1, + build_initial_compaction_group_levels( + 1, + &CompactionConfig { + max_level: 6, + ..Default::default() + }, + ), + )]), + ..Default::default() + }; + + let cg1 = version.levels.get_mut(&1).unwrap(); + + cg1.levels[0] = Level { + level_idx: 1, + level_type: LevelType::Nonoverlapping, + table_infos: vec![ + gen_sst_info( + 1, + vec![3], + FullKey::for_test( + TableId::new(3), + gen_key_from_str(VirtualNode::from_index(1), "1"), + 0, + ) + .encode() + .into(), + FullKey::for_test( + TableId::new(3), + gen_key_from_str(VirtualNode::from_index(200), "1"), + 0, + ) + .encode() + .into(), + ), + gen_sst_info( + 10, + vec![3, 4], + FullKey::for_test( + TableId::new(3), + gen_key_from_str(VirtualNode::from_index(201), "1"), + 0, + ) + .encode() + .into(), + FullKey::for_test( + TableId::new(4), + gen_key_from_str(VirtualNode::from_index(10), "1"), + 0, + ) + .encode() + .into(), + ), + gen_sst_info( + 11, + vec![4], + FullKey::for_test( + TableId::new(4), + gen_key_from_str(VirtualNode::from_index(11), "1"), + 0, + ) + .encode() + .into(), + FullKey::for_test( + TableId::new(4), + gen_key_from_str(VirtualNode::from_index(200), "1"), + 0, + ) + .encode() + .into(), + ), + ], + total_file_size: 300, + ..Default::default() + }; + + cg1.l0.sub_levels.push(Level { + level_idx: 0, + table_infos: vec![ + gen_sst_info( + 2, + vec![2], + FullKey::for_test( + TableId::new(0), + gen_key_from_str(VirtualNode::from_index(1), "1"), + 0, + ) + .encode() + .into(), + FullKey::for_test( + TableId::new(2), + gen_key_from_str(VirtualNode::from_index(200), "1"), + 0, + ) + .encode() + .into(), + ), + gen_sst_info( + 22, + vec![2], + FullKey::for_test( + TableId::new(0), + gen_key_from_str(VirtualNode::from_index(1), "1"), + 0, + ) + .encode() + .into(), + FullKey::for_test( + TableId::new(2), + gen_key_from_str(VirtualNode::from_index(200), "1"), + 0, + ) + .encode() + .into(), + ), + gen_sst_info( + 23, + vec![2], + FullKey::for_test( + TableId::new(0), + gen_key_from_str(VirtualNode::from_index(1), "1"), + 0, + ) + .encode() + .into(), + FullKey::for_test( + TableId::new(2), + gen_key_from_str(VirtualNode::from_index(200), "1"), + 0, + ) + .encode() + .into(), + ), + gen_sst_info( + 24, + vec![2], + FullKey::for_test( + TableId::new(2), + gen_key_from_str(VirtualNode::from_index(1), "1"), + 0, + ) + .encode() + .into(), + FullKey::for_test( + TableId::new(2), + gen_key_from_str(VirtualNode::from_index(200), "1"), + 0, + ) + .encode() + .into(), + ), + gen_sst_info( + 25, + vec![2], + FullKey::for_test( + TableId::new(0), + gen_key_from_str(VirtualNode::from_index(1), "1"), + 0, + ) + .encode() + .into(), + FullKey::for_test( + TableId::new(0), + gen_key_from_str(VirtualNode::from_index(200), "1"), + 0, + ) + .encode() + .into(), + ), + ], + sub_level_id: 101, + level_type: LevelType::Overlapping, + total_file_size: 300, + ..Default::default() + }); + + { + // split Overlapping level + let split_key = group_split::build_split_key(1, VirtualNode::ZERO); + + let mut new_sst_id = 100; + let x = group_split::split_sst_info_for_level_v2( + &mut cg1.l0.sub_levels[0], + &mut new_sst_id, + split_key, + ); + // assert_eq!(3, x.len()); + // assert_eq!(100, x[0].sst_id); + // assert_eq!(100, x[0].sst_size); + // assert_eq!(101, x[1].sst_id); + // assert_eq!(100, x[1].sst_size); + // assert_eq!(102, x[2].sst_id); + // assert_eq!(100, x[2].sst_size); + + let mut right_l0 = OverlappingLevel { + sub_levels: vec![], + total_file_size: 0, + uncompressed_file_size: 0, + }; + + right_l0.sub_levels.push(Level { + level_idx: 0, + table_infos: x, + sub_level_id: 101, + total_file_size: 100, + level_type: LevelType::Overlapping, + ..Default::default() + }); + + let right_levels = Levels { + levels: vec![], + l0: right_l0, + ..Default::default() + }; + + merge_levels(cg1, right_levels); + } + + { + // test split empty level + let mut new_sst_id = 100; + let split_key = group_split::build_split_key(1, VirtualNode::ZERO); + let x = group_split::split_sst_info_for_level_v2( + &mut cg1.levels[2], + &mut new_sst_id, + split_key, + ); + + assert!(x.is_empty()); + } + + { + // test split to right Nonoverlapping level + let mut cg1 = cg1.clone(); + let split_key = group_split::build_split_key(1, VirtualNode::ZERO); + + let mut new_sst_id = 100; + let x = group_split::split_sst_info_for_level_v2( + &mut cg1.levels[0], + &mut new_sst_id, + split_key, + ); + + assert_eq!(3, x.len()); + assert_eq!(1, x[0].sst_id); + assert_eq!(100, x[0].sst_size); + assert_eq!(10, x[1].sst_id); + assert_eq!(100, x[1].sst_size); + assert_eq!(11, x[2].sst_id); + assert_eq!(100, x[2].sst_size); + + assert_eq!(0, cg1.levels[0].table_infos.len()); + } + + { + // test split to left Nonoverlapping level + let mut cg1 = cg1.clone(); + let split_key = group_split::build_split_key(5, VirtualNode::ZERO); + + let mut new_sst_id = 100; + let x = group_split::split_sst_info_for_level_v2( + &mut cg1.levels[0], + &mut new_sst_id, + split_key, + ); + + assert_eq!(0, x.len()); + assert_eq!(3, cg1.levels[0].table_infos.len()); + } + + // { + // // test split to both Nonoverlapping level + // let mut cg1 = cg1.clone(); + // let split_key = build_split_key(3, VirtualNode::MAX); + + // let mut new_sst_id = 100; + // let x = group_split::split_sst_info_for_level_v2( + // &mut cg1.levels[0], + // &mut new_sst_id, + // split_key, + // ); + + // assert_eq!(2, x.len()); + // assert_eq!(100, x[0].sst_id); + // assert_eq!(100 / 2, x[0].sst_size); + // assert_eq!(11, x[1].sst_id); + // assert_eq!(100, x[1].sst_size); + // assert_eq!(vec![3, 4], x[0].table_ids); + + // assert_eq!(2, cg1.levels[0].table_infos.len()); + // assert_eq!(101, cg1.levels[0].table_infos[1].sst_id); + // assert_eq!(100 / 2, cg1.levels[0].table_infos[1].sst_size); + // assert_eq!(vec![3], cg1.levels[0].table_infos[1].table_ids); + // } + + { + // test split to both Nonoverlapping level + let mut cg1 = cg1.clone(); + let split_key = group_split::build_split_key(4, VirtualNode::ZERO); + + let mut new_sst_id = 100; + let x = group_split::split_sst_info_for_level_v2( + &mut cg1.levels[0], + &mut new_sst_id, + split_key, + ); + + assert_eq!(2, x.len()); + assert_eq!(100, x[0].sst_id); + assert_eq!(100 / 2, x[0].sst_size); + assert_eq!(11, x[1].sst_id); + assert_eq!(100, x[1].sst_size); + assert_eq!(vec![4], x[1].table_ids); + + assert_eq!(2, cg1.levels[0].table_infos.len()); + assert_eq!(101, cg1.levels[0].table_infos[1].sst_id); + assert_eq!(100 / 2, cg1.levels[0].table_infos[1].sst_size); + assert_eq!(vec![3], cg1.levels[0].table_infos[1].table_ids); + } + } } diff --git a/src/storage/hummock_sdk/src/compaction_group/mod.rs b/src/storage/hummock_sdk/src/compaction_group/mod.rs index 94ef89b8046e2..0bf3fcea1c4e7 100644 --- a/src/storage/hummock_sdk/src/compaction_group/mod.rs +++ b/src/storage/hummock_sdk/src/compaction_group/mod.rs @@ -46,11 +46,232 @@ impl From for CompactionGroupId { pub mod group_split { use std::cmp::Ordering; + use std::collections::BTreeSet; + + use bytes::Bytes; + use risingwave_common::catalog::TableId; + use risingwave_common::hash::VirtualNode; + use risingwave_pb::hummock::PbLevelType; use super::hummock_version_ext::insert_new_sub_level; - use crate::can_concat; + use super::StateTableId; + use crate::key::{FullKey, TableKey}; + use crate::key_range::KeyRange; use crate::level::{Level, Levels}; + use crate::sstable_info::SstableInfo; + use crate::{can_concat, HummockEpoch, KeyComparator}; + + /// The split will follow the following rules: + /// 1. Ssts with `split_key` will be split into two separate ssts and their `key_range` will be changed `sst_1`: [`sst.key_range.right`, `split_key`) `sst_2`: [`split_key`, `sst.key_range.right`]. + /// 2. Currently only `vnode` 0 and `vnode` max is supported. + /// 3. Due to the above rule, `vnode` max will be rewritten as `table_id` + 1, vnode 0 + + // By default, the split key is constructed with vnode = 0 and epoch = MAX, so that we can split table_id to the right group + pub fn build_split_key(table_id: StateTableId, vnode: VirtualNode) -> Bytes { + build_split_full_key(table_id, vnode).encode().into() + } + + /// generate a full key for convenience to get the `table_id` and `vnode` + pub fn build_split_full_key( + mut table_id: StateTableId, + mut vnode: VirtualNode, + ) -> FullKey> { + if VirtualNode::MAX_REPRESENTABLE == vnode { + // Modify `table_id` to `next_table_id` to satisfy the `split_to_right`` rule, so that the `table_id`` originally passed in will be split to left. + table_id = table_id.strict_add(1); + vnode = VirtualNode::ZERO; + } + + FullKey::new( + TableId::from(table_id), + TableKey(vnode.to_be_bytes().to_vec()), + HummockEpoch::MAX, + ) + } + + #[derive(Debug, PartialEq, Clone)] + pub enum SstSplitType { + Left, + Right, + Both, + } + + /// Determine whether the SST needs to be split, and if so, which side to split. + pub fn need_to_split(sst: &SstableInfo, split_key: Bytes) -> SstSplitType { + let key_range = &sst.key_range; + // 1. compare left + if KeyComparator::compare_encoded_full_key(&split_key, &key_range.left).is_le() { + return SstSplitType::Right; + } + + // 2. compare right + if key_range.right_exclusive { + if KeyComparator::compare_encoded_full_key(&split_key, &key_range.right).is_ge() { + return SstSplitType::Left; + } + } else if KeyComparator::compare_encoded_full_key(&split_key, &key_range.right).is_gt() { + return SstSplitType::Left; + } + + SstSplitType::Both + } + + /// Split the SST into two parts based on the split key. + /// The left part is the original SST, and the right part is the new SST. + /// The split key is exclusive for the left part and inclusive for the right part. + /// The `table_ids` of the new SST are calculated based on the split key. + /// e.g. + /// `sst.table_ids` = [1, 2, 3, 4, 5, 6, 7, 8, 9], `split_key` = (`table_id` = 5, vnode = 0) + /// then the result: + /// sst1 { + /// `sst_id`: `new_sst_id + 1`, + /// `table_ids`: [1, 2, 3, 4], + /// `key_range`: [left, `split_key`), + /// `sst_size`: `left_size`, + /// } + /// sst2 { + /// `sst_id`: `new_sst_id`, + /// `table_ids`: [5, 6, 7, 8, 9], + /// `key_range`: [`split_key`, right], + /// `sst_size`: `right_size`, + /// } + pub fn split_sst( + mut origin_sst_info: SstableInfo, + new_sst_id: &mut u64, + split_key: Bytes, + left_size: u64, + right_size: u64, + ) -> (Option, Option) { + let mut branch_table_info = origin_sst_info.clone(); + branch_table_info.sst_id = *new_sst_id; + *new_sst_id += 1; + origin_sst_info.sst_id = *new_sst_id; + *new_sst_id += 1; + + let (key_range_l, key_range_r) = { + let key_range = &origin_sst_info.key_range; + let l = KeyRange { + left: key_range.left.clone(), + right: split_key.clone(), + right_exclusive: true, + }; + + let r = KeyRange { + left: split_key.clone(), + right: key_range.right.clone(), + right_exclusive: key_range.right_exclusive, + }; + + (l, r) + }; + let (table_ids_l, table_ids_r) = + split_table_ids_with_split_key(&origin_sst_info.table_ids, split_key.clone()); + + // rebuild the key_range and size and sstable file size + { + // origin_sst_info + origin_sst_info.key_range = key_range_l; + origin_sst_info.sst_size = left_size; + origin_sst_info.table_ids = table_ids_l; + } + + { + // new sst + branch_table_info.key_range = key_range_r; + branch_table_info.sst_size = right_size; + branch_table_info.table_ids = table_ids_r; + } + + // This function does not make any assumptions about the incoming sst, so add some judgement to ensure that the generated sst meets the restrictions. + if origin_sst_info.table_ids.is_empty() { + (None, Some(branch_table_info)) + } else if branch_table_info.table_ids.is_empty() { + (Some(origin_sst_info), None) + } else if KeyComparator::compare_encoded_full_key( + &origin_sst_info.key_range.left, + &origin_sst_info.key_range.right, + ) + .is_eq() + { + // avoid empty key_range of origin_sst + (None, Some(branch_table_info)) + } else { + (Some(origin_sst_info), Some(branch_table_info)) + } + } + + /// The old split sst logic with `table_ids` + /// This function is used to split the sst into two parts based on the `table_ids`. + /// In contrast to `split_sst`, this function does not modify the `key_range` and does not guarantee that the split ssts can be merged, which needs to be guaranteed by the caller. + pub fn split_sst_with_table_ids( + sst_info: &mut SstableInfo, + new_sst_id: &mut u64, + old_sst_size: u64, + new_sst_size: u64, + new_table_ids: Vec, + ) -> SstableInfo { + let mut branch_table_info = sst_info.clone(); + branch_table_info.sst_id = *new_sst_id; + branch_table_info.sst_size = new_sst_size; + *new_sst_id += 1; + + sst_info.sst_id = *new_sst_id; + sst_info.sst_size = old_sst_size; + *new_sst_id += 1; + + { + // related github.com/risingwavelabs/risingwave/pull/17898/ + // This is a temporary implementation that will update `table_ids`` based on the new split rule after PR 17898 + // sst_info.table_ids = vec[1, 2, 3]; + // new_table_ids = vec[2, 3, 4]; + // branch_table_info.table_ids = vec[1, 2, 3] ∩ vec[2, 3, 4] = vec[2, 3] + let set1: BTreeSet<_> = sst_info.table_ids.iter().cloned().collect(); + let set2: BTreeSet<_> = new_table_ids.into_iter().collect(); + let intersection: Vec<_> = set1.intersection(&set2).cloned().collect(); + + // Update table_ids + branch_table_info.table_ids = intersection; + sst_info + .table_ids + .retain(|table_id| !branch_table_info.table_ids.contains(table_id)); + } + + branch_table_info + } + // Should avoid split same table_id into two groups + pub fn split_table_ids_with_split_key( + table_ids: &Vec, + split_key: Bytes, + ) -> (Vec, Vec) { + assert!(table_ids.is_sorted()); + let split_full_key = FullKey::decode(&split_key); + let split_user_key = split_full_key.user_key; + let vnode = split_user_key.get_vnode_id(); + let table_id = split_user_key.table_id.table_id(); + split_table_ids_with_table_id_and_vnode(table_ids, table_id, vnode) + } + + pub fn split_table_ids_with_table_id_and_vnode( + table_ids: &Vec, + table_id: StateTableId, + vnode: usize, + ) -> (Vec, Vec) { + assert!(table_ids.is_sorted()); + assert_eq!(VirtualNode::ZERO, VirtualNode::from_index(vnode)); + let pos = table_ids.partition_point(|&id| id < table_id); + (table_ids[..pos].to_vec(), table_ids[pos..].to_vec()) + } + + pub fn get_split_pos(sstables: &Vec, split_key: Bytes) -> usize { + sstables + .partition_point(|sst| { + KeyComparator::compare_encoded_full_key(&sst.key_range.left, &split_key).is_lt() + }) + .saturating_sub(1) + } + + /// Merge the right levels into the left levels. pub fn merge_levels(left_levels: &mut Levels, right_levels: Levels) { let right_l0 = right_levels.l0; @@ -154,4 +375,143 @@ pub mod group_split { Err(target_levels.len()) } + + /// Split the SSTs in the level according to the split key. + pub fn split_sst_info_for_level_v2( + level: &mut Level, + new_sst_id: &mut u64, + split_key: Bytes, + ) -> Vec { + if level.table_infos.is_empty() { + return vec![]; + } + + let mut insert_table_infos = vec![]; + if level.level_type == PbLevelType::Overlapping { + level.table_infos.retain_mut(|sst| { + let sst_split_type = need_to_split(sst, split_key.clone()); + match sst_split_type { + SstSplitType::Left => true, + SstSplitType::Right => { + insert_table_infos.push(sst.clone()); + false + } + SstSplitType::Both => { + let (left, right) = split_sst( + sst.clone(), + new_sst_id, + split_key.clone(), + sst.sst_size / 2, + sst.sst_size / 2, + ); + if let Some(branch_sst) = right { + insert_table_infos.push(branch_sst); + } + + if left.is_some() { + *sst = left.unwrap(); + true + } else { + false + } + } + } + }); + } else { + let pos = get_split_pos(&level.table_infos, split_key.clone()); + if pos >= level.table_infos.len() { + return insert_table_infos; + } + + let sst_split_type = need_to_split(&level.table_infos[pos], split_key.clone()); + match sst_split_type { + SstSplitType::Left => { + insert_table_infos.extend_from_slice(&level.table_infos[pos + 1..]); + level.table_infos = level.table_infos[0..=pos].to_vec(); + } + SstSplitType::Right => { + assert_eq!(0, pos); + insert_table_infos.extend_from_slice(&level.table_infos[pos..]); // the sst at pos has been split to the right + level.table_infos.clear(); + } + SstSplitType::Both => { + // split the sst + let sst = level.table_infos[pos].clone(); + let sst_size = sst.sst_size; + let (left, right) = split_sst( + sst, + new_sst_id, + split_key.clone(), + sst_size / 2, + sst_size / 2, + ); + + if let Some(branch_sst) = right { + insert_table_infos.push(branch_sst); + } + + let right_start = pos + 1; + let left_end = pos; + // the sst at pos has been split to both left and right + // the branched sst has been inserted to the `insert_table_infos` + insert_table_infos.extend_from_slice(&level.table_infos[right_start..]); + level.table_infos = level.table_infos[0..=left_end].to_vec(); + if let Some(origin_sst) = left { + // replace the origin sst with the left part + level.table_infos[left_end] = origin_sst; + } else { + level.table_infos.pop(); + } + } + }; + } + + insert_table_infos + } +} + +#[cfg(test)] +mod tests { + use risingwave_common::hash::VirtualNode; + + #[test] + fn test_split_table_ids() { + let table_ids = vec![1, 2, 3, 4, 5, 6, 7, 8, 9]; + let (left, right) = super::group_split::split_table_ids_with_table_id_and_vnode( + &table_ids, + 5, + VirtualNode::ZERO.to_index(), + ); + assert_eq!(left, vec![1, 2, 3, 4]); + assert_eq!(right, vec![5, 6, 7, 8, 9]); + + // test table_id not in the table_ids + + let (left, right) = super::group_split::split_table_ids_with_table_id_and_vnode( + &table_ids, + 10, + VirtualNode::ZERO.to_index(), + ); + assert_eq!(left, vec![1, 2, 3, 4, 5, 6, 7, 8, 9]); + assert!(right.is_empty()); + + let (left, right) = super::group_split::split_table_ids_with_table_id_and_vnode( + &table_ids, + 0, + VirtualNode::ZERO.to_index(), + ); + + assert!(left.is_empty()); + assert_eq!(right, vec![1, 2, 3, 4, 5, 6, 7, 8, 9]); + } + + #[test] + fn test_split_table_ids_with_split_key() { + let table_ids = vec![1, 2, 3, 4, 5, 6, 7, 8, 9]; + let split_key = super::group_split::build_split_key(5, VirtualNode::ZERO); + let (left, right) = + super::group_split::split_table_ids_with_split_key(&table_ids, split_key); + assert_eq!(left, vec![1, 2, 3, 4]); + assert_eq!(right, vec![5, 6, 7, 8, 9]); + } } diff --git a/src/storage/hummock_sdk/src/lib.rs b/src/storage/hummock_sdk/src/lib.rs index 6058d3a16d5e8..9e35e1e31a66f 100644 --- a/src/storage/hummock_sdk/src/lib.rs +++ b/src/storage/hummock_sdk/src/lib.rs @@ -21,6 +21,7 @@ #![feature(is_sorted)] #![feature(let_chains)] #![feature(btree_cursors)] +#![feature(strict_overflow_ops)] mod key_cmp; use std::cmp::Ordering; diff --git a/src/storage/hummock_test/src/compactor_tests.rs b/src/storage/hummock_test/src/compactor_tests.rs index 86a5d2545aa85..038621af70b8b 100644 --- a/src/storage/hummock_test/src/compactor_tests.rs +++ b/src/storage/hummock_test/src/compactor_tests.rs @@ -2028,27 +2028,11 @@ pub(crate) mod tests { .unwrap(); } - // compact - compact_once( - parent_group_id, - 0, - hummock_manager_ref.clone(), - compact_ctx.clone(), - filter_key_extractor_manager.clone(), - sstable_object_id_manager.clone(), - ) - .await; - let new_cg_id = hummock_manager_ref - .split_compaction_group(parent_group_id, &split_table_ids, 0) + .move_state_tables_to_dedicated_compaction_group(parent_group_id, &split_table_ids, 0) .await - .unwrap(); - - assert_ne!(parent_group_id, new_cg_id); - assert!(hummock_manager_ref - .merge_compaction_group(parent_group_id, new_cg_id) - .await - .is_err()); + .unwrap() + .0; write_data( &storage, @@ -2092,9 +2076,10 @@ pub(crate) mod tests { .unwrap(); let new_cg_id = hummock_manager_ref - .split_compaction_group(parent_group_id, &split_table_ids, 0) + .move_state_tables_to_dedicated_compaction_group(parent_group_id, &split_table_ids, 0) .await - .unwrap(); + .unwrap() + .0; compact_once( parent_group_id, @@ -2152,9 +2137,10 @@ pub(crate) mod tests { // try split let new_cg_id = hummock_manager_ref - .split_compaction_group(parent_group_id, &split_table_ids, 0) + .move_state_tables_to_dedicated_compaction_group(parent_group_id, &split_table_ids, 0) .await - .unwrap(); + .unwrap() + .0; // write right write_data( @@ -2272,18 +2258,12 @@ pub(crate) mod tests { // try split let new_cg_id = hummock_manager_ref - .split_compaction_group(parent_group_id, &split_table_ids, 0) + .move_state_tables_to_dedicated_compaction_group(parent_group_id, &split_table_ids, 0) .await - .unwrap(); - - // try merge - assert!(hummock_manager_ref - .merge_compaction_group(parent_group_id, new_cg_id) - .await - .is_err()); + .unwrap() + .0; // write left and write - write_data( &storage, (&mut local_1, true), diff --git a/src/tests/simulation/tests/integration_tests/compaction/mod.rs b/src/tests/simulation/tests/integration_tests/compaction/mod.rs index 0cd8ea767c3ed..f9f23ac72387c 100644 --- a/src/tests/simulation/tests/integration_tests/compaction/mod.rs +++ b/src/tests/simulation/tests/integration_tests/compaction/mod.rs @@ -126,12 +126,14 @@ async fn test_vnode_watermark_reclaim_impl( cluster.split_compaction_group(2, table_id).await.unwrap(); tokio::time::sleep(Duration::from_secs(5)).await; let compaction_group_id = session - .run("SELECT max(id) FROM rw_hummock_compaction_group_configs;") + .run(format!( + "SELECT id FROM rw_hummock_compaction_group_configs where member_tables @> '[{}]'::jsonb;", + table_id + )) .await .unwrap() .parse::() .unwrap(); - assert!(compaction_group_id > 3); session .run("INSERT INTO t2 VALUES (now(), 1);")