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enhance: Periodically synchronize segments to datanode watcher (#33420)
issue: #32809 --------- Signed-off-by: Cai Zhang <cai.zhang@zilliz.com>
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// 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. | ||
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package datacoord | ||
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import ( | ||
"sync" | ||
"time" | ||
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"github.com/samber/lo" | ||
"go.uber.org/zap" | ||
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"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" | ||
) | ||
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type SyncSegmentsScheduler struct { | ||
quit chan struct{} | ||
wg sync.WaitGroup | ||
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meta *meta | ||
channelManager ChannelManager | ||
sessions SessionManager | ||
} | ||
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func newSyncSegmentsScheduler(m *meta, channelManager ChannelManager, sessions SessionManager) *SyncSegmentsScheduler { | ||
return &SyncSegmentsScheduler{ | ||
quit: make(chan struct{}), | ||
wg: sync.WaitGroup{}, | ||
meta: m, | ||
channelManager: channelManager, | ||
sessions: sessions, | ||
} | ||
} | ||
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func (sss *SyncSegmentsScheduler) Start() { | ||
sss.quit = make(chan struct{}) | ||
sss.wg.Add(1) | ||
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go func() { | ||
defer logutil.LogPanic() | ||
ticker := time.NewTicker(Params.DataCoordCfg.SyncSegmentsInterval.GetAsDuration(time.Second)) | ||
defer sss.wg.Done() | ||
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for { | ||
select { | ||
case <-sss.quit: | ||
log.Info("sync segments scheduler quit") | ||
ticker.Stop() | ||
return | ||
case <-ticker.C: | ||
sss.SyncSegmentsForCollections() | ||
} | ||
} | ||
}() | ||
log.Info("SyncSegmentsScheduler started...") | ||
} | ||
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func (sss *SyncSegmentsScheduler) Stop() { | ||
close(sss.quit) | ||
sss.wg.Wait() | ||
} | ||
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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.SyncFlushedSegments(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 | ||
} | ||
} | ||
} | ||
} | ||
} | ||
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func (sss *SyncSegmentsScheduler) SyncFlushedSegments(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 && isFlush(info) | ||
})) | ||
req := &datapb.SyncSegmentsRequest{ | ||
ChannelName: channelName, | ||
PartitionId: partitionID, | ||
CollectionId: collectionID, | ||
SegmentInfos: make(map[int64]*datapb.SyncSegmentInfo), | ||
} | ||
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for _, seg := range segments { | ||
req.SegmentInfos[seg.ID] = &datapb.SyncSegmentInfo{ | ||
SegmentId: seg.GetID(), | ||
State: seg.GetState(), | ||
Level: seg.GetLevel(), | ||
NumOfRows: seg.GetNumOfRows(), | ||
} | ||
for _, statsLog := range seg.GetStatslogs() { | ||
if statsLog.GetFieldID() == pkFieldID { | ||
req.SegmentInfos[seg.ID].PkStatsLog = statsLog | ||
break | ||
} | ||
} | ||
} | ||
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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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