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142 lines
4.4 KiB
Go
142 lines
4.4 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package datanode
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import (
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"context"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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"github.com/milvus-io/milvus/pkg/log"
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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)
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const (
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maxTaskNum = 1024
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)
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type compactionExecutor struct {
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executing *typeutil.ConcurrentMap[int64, compactor] // planID to compactor
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completedCompactor *typeutil.ConcurrentMap[int64, compactor] // planID to compactor
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completed *typeutil.ConcurrentMap[int64, *datapb.CompactionResult] // planID to CompactionResult
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taskCh chan compactor
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dropped *typeutil.ConcurrentSet[string] // vchannel dropped
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}
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func newCompactionExecutor() *compactionExecutor {
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return &compactionExecutor{
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executing: typeutil.NewConcurrentMap[int64, compactor](),
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completedCompactor: typeutil.NewConcurrentMap[int64, compactor](),
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completed: typeutil.NewConcurrentMap[int64, *datapb.CompactionResult](),
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taskCh: make(chan compactor, maxTaskNum),
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dropped: typeutil.NewConcurrentSet[string](),
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}
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}
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func (c *compactionExecutor) execute(task compactor) {
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c.taskCh <- task
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c.toExecutingState(task)
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}
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func (c *compactionExecutor) toExecutingState(task compactor) {
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c.executing.Insert(task.getPlanID(), task)
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}
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func (c *compactionExecutor) toCompleteState(task compactor) {
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task.complete()
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c.executing.GetAndRemove(task.getPlanID())
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}
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func (c *compactionExecutor) injectDone(planID UniqueID, success bool) {
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c.completed.GetAndRemove(planID)
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task, loaded := c.completedCompactor.GetAndRemove(planID)
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if loaded {
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task.injectDone(success)
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}
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}
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// These two func are bounded for waitGroup
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func (c *compactionExecutor) executeWithState(task compactor) {
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go c.executeTask(task)
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}
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func (c *compactionExecutor) start(ctx context.Context) {
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for {
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select {
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case <-ctx.Done():
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return
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case task := <-c.taskCh:
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c.executeWithState(task)
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}
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}
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}
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func (c *compactionExecutor) executeTask(task compactor) {
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defer func() {
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c.toCompleteState(task)
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}()
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log.Info("start to execute compaction", zap.Int64("planID", task.getPlanID()), zap.Int64("Collection", task.getCollection()), zap.String("channel", task.getChannelName()))
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result, err := task.compact()
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if err != nil {
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log.Warn("compaction task failed",
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zap.Int64("planID", task.getPlanID()),
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zap.Error(err),
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)
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} else {
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c.completed.Insert(task.getPlanID(), result)
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c.completedCompactor.Insert(task.getPlanID(), task)
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}
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log.Info("end to execute compaction", zap.Int64("planID", task.getPlanID()))
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}
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func (c *compactionExecutor) stopTask(planID UniqueID) {
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task, loaded := c.executing.GetAndRemove(planID)
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if loaded {
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log.Warn("compaction executor stop task", zap.Int64("planID", planID), zap.String("vChannelName", task.getChannelName()))
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task.stop()
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}
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}
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func (c *compactionExecutor) channelValidateForCompaction(vChannelName string) bool {
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// if vchannel marked dropped, compaction should not proceed
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return !c.dropped.Contain(vChannelName)
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}
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func (c *compactionExecutor) stopExecutingtaskByVChannelName(vChannelName string) {
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c.dropped.Insert(vChannelName)
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c.executing.Range(func(planID int64, task compactor) bool {
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if task.getChannelName() == vChannelName {
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c.stopTask(planID)
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}
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return true
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})
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// remove all completed plans for vChannelName
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c.completed.Range(func(planID int64, result *datapb.CompactionResult) bool {
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if result.GetChannel() == vChannelName {
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c.injectDone(planID, true)
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log.Info("remove compaction results for dropped channel",
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zap.String("channel", vChannelName),
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zap.Int64("planID", planID))
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}
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return true
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})
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}
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