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enhance: Periodically synchronize segments to datanode watcher (#33420)
issue: #32809 --------- Signed-off-by: Cai Zhang <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| // Licensed to the LF AI & Data foundation under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package datacoord | ||
|
|
||
| import ( | ||
| "sync" | ||
| "time" | ||
|
|
||
| "github.com/samber/lo" | ||
| "go.uber.org/zap" | ||
|
|
||
| "github.com/milvus-io/milvus/internal/proto/datapb" | ||
| "github.com/milvus-io/milvus/pkg/log" | ||
| "github.com/milvus-io/milvus/pkg/util/logutil" | ||
| "github.com/milvus-io/milvus/pkg/util/typeutil" | ||
| ) | ||
|
|
||
| type SyncSegmentsScheduler struct { | ||
| quit chan struct{} | ||
| wg sync.WaitGroup | ||
|
|
||
| meta *meta | ||
| channelManager ChannelManager | ||
| sessions SessionManager | ||
| } | ||
|
|
||
| func newSyncSegmentsScheduler(m *meta, channelManager ChannelManager, sessions SessionManager) *SyncSegmentsScheduler { | ||
| return &SyncSegmentsScheduler{ | ||
| quit: make(chan struct{}), | ||
| wg: sync.WaitGroup{}, | ||
| meta: m, | ||
| channelManager: channelManager, | ||
| sessions: sessions, | ||
| } | ||
| } | ||
|
|
||
| func (sss *SyncSegmentsScheduler) Start() { | ||
| sss.quit = make(chan struct{}) | ||
| sss.wg.Add(1) | ||
|
|
||
| go func() { | ||
| defer logutil.LogPanic() | ||
| ticker := time.NewTicker(Params.DataCoordCfg.SyncSegmentsInterval.GetAsDuration(time.Second)) | ||
| defer sss.wg.Done() | ||
|
|
||
| for { | ||
| select { | ||
| case <-sss.quit: | ||
| log.Info("sync segments scheduler quit") | ||
| ticker.Stop() | ||
| return | ||
| case <-ticker.C: | ||
| sss.SyncSegmentsForCollections() | ||
| } | ||
| } | ||
| }() | ||
| log.Info("SyncSegmentsScheduler started...") | ||
| } | ||
|
|
||
| func (sss *SyncSegmentsScheduler) Stop() { | ||
| close(sss.quit) | ||
| sss.wg.Wait() | ||
| } | ||
|
|
||
| func (sss *SyncSegmentsScheduler) SyncSegmentsForCollections() { | ||
| collIDs := sss.meta.ListCollections() | ||
| for _, collID := range collIDs { | ||
| collInfo := sss.meta.GetCollection(collID) | ||
| if collInfo == nil { | ||
| log.Warn("collection info is nil, skip it", zap.Int64("collectionID", collID)) | ||
| continue | ||
| } | ||
| pkField, err := typeutil.GetPrimaryFieldSchema(collInfo.Schema) | ||
| if err != nil { | ||
| log.Warn("get primary field from schema failed", zap.Int64("collectionID", collID), | ||
| zap.Error(err)) | ||
| continue | ||
| } | ||
| for _, channelName := range collInfo.VChannelNames { | ||
| nodeID, err := sss.channelManager.FindWatcher(channelName) | ||
| if err != nil { | ||
| log.Warn("find watcher for channel failed", zap.Int64("collectionID", collID), | ||
| zap.String("channelName", channelName), zap.Error(err)) | ||
| continue | ||
| } | ||
| for _, partitionID := range collInfo.Partitions { | ||
| if err := sss.SyncSegments(collID, partitionID, channelName, nodeID, pkField.GetFieldID()); err != nil { | ||
| log.Warn("sync segment with channel failed, retry next ticker", | ||
| zap.Int64("collectionID", collID), | ||
| zap.Int64("partitionID", partitionID), | ||
| zap.String("channel", channelName), | ||
| zap.Error(err)) | ||
| continue | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func (sss *SyncSegmentsScheduler) SyncSegments(collectionID, partitionID int64, channelName string, nodeID, pkFieldID int64) error { | ||
| log := log.With(zap.Int64("collectionID", collectionID), zap.Int64("partitionID", partitionID), | ||
| zap.String("channelName", channelName), zap.Int64("nodeID", nodeID)) | ||
| segments := sss.meta.SelectSegments(WithChannel(channelName), SegmentFilterFunc(func(info *SegmentInfo) bool { | ||
| return info.GetPartitionID() == partitionID && isSegmentHealthy(info) | ||
| })) | ||
| req := &datapb.SyncSegmentsRequest{ | ||
| ChannelName: channelName, | ||
| PartitionId: partitionID, | ||
| CollectionId: collectionID, | ||
| SegmentInfos: make(map[int64]*datapb.SyncSegmentInfo), | ||
| } | ||
|
|
||
| for _, seg := range segments { | ||
| for _, statsLog := range seg.GetStatslogs() { | ||
| if statsLog.GetFieldID() == pkFieldID { | ||
| req.SegmentInfos[seg.ID] = &datapb.SyncSegmentInfo{ | ||
| SegmentId: seg.GetID(), | ||
| PkStatsLog: statsLog, | ||
| State: seg.GetState(), | ||
| Level: seg.GetLevel(), | ||
| NumOfRows: seg.GetNumOfRows(), | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
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| if err := sss.sessions.SyncSegments(nodeID, req); err != nil { | ||
| log.Warn("fail to sync segments with node", zap.Error(err)) | ||
| return err | ||
| } | ||
| log.Info("sync segments success", zap.Int64s("segments", lo.Map(segments, func(t *SegmentInfo, i int) int64 { | ||
| return t.GetID() | ||
| }))) | ||
| return nil | ||
| } |
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