mirror of
https://gitee.com/milvus-io/milvus.git
synced 2025-12-07 17:48:29 +08:00
277849a915
See also #27675 Since serialization segment buffer does not related to sync manager can shall be done before submit into sync manager. So that the pk statistic file could be more accurate and reduce complex logic inside sync manager. --------- Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
349 lines
10 KiB
Go
349 lines
10 KiB
Go
// 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 syncmgr
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"path"
|
|
|
|
"go.uber.org/zap"
|
|
|
|
"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
|
|
"github.com/milvus-io/milvus-proto/go-api/v2/msgpb"
|
|
"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
|
|
"github.com/milvus-io/milvus/internal/allocator"
|
|
"github.com/milvus-io/milvus/internal/datanode/metacache"
|
|
"github.com/milvus-io/milvus/internal/proto/datapb"
|
|
"github.com/milvus-io/milvus/internal/storage"
|
|
"github.com/milvus-io/milvus/pkg/common"
|
|
"github.com/milvus-io/milvus/pkg/log"
|
|
"github.com/milvus-io/milvus/pkg/metrics"
|
|
"github.com/milvus-io/milvus/pkg/util/merr"
|
|
"github.com/milvus-io/milvus/pkg/util/metautil"
|
|
"github.com/milvus-io/milvus/pkg/util/paramtable"
|
|
"github.com/milvus-io/milvus/pkg/util/retry"
|
|
"github.com/milvus-io/milvus/pkg/util/timerecord"
|
|
"github.com/milvus-io/milvus/pkg/util/typeutil"
|
|
)
|
|
|
|
type SyncTask struct {
|
|
chunkManager storage.ChunkManager
|
|
allocator allocator.Interface
|
|
|
|
segment *metacache.SegmentInfo
|
|
collectionID int64
|
|
partitionID int64
|
|
segmentID int64
|
|
channelName string
|
|
schema *schemapb.CollectionSchema
|
|
pkField *schemapb.FieldSchema
|
|
startPosition *msgpb.MsgPosition
|
|
checkpoint *msgpb.MsgPosition
|
|
// batchSize is the row number of this sync task,
|
|
// not the total num of rows of segemnt
|
|
batchSize int64
|
|
level datapb.SegmentLevel
|
|
|
|
tsFrom typeutil.Timestamp
|
|
tsTo typeutil.Timestamp
|
|
|
|
isFlush bool
|
|
isDrop bool
|
|
|
|
metacache metacache.MetaCache
|
|
metaWriter MetaWriter
|
|
|
|
insertBinlogs map[int64]*datapb.FieldBinlog // map[int64]*datapb.Binlog
|
|
statsBinlogs map[int64]*datapb.FieldBinlog // map[int64]*datapb.Binlog
|
|
deltaBinlog *datapb.FieldBinlog
|
|
|
|
binlogBlobs map[int64]*storage.Blob // fieldID => blob
|
|
binlogMemsize map[int64]int64 // memory size
|
|
batchStatsBlob *storage.Blob
|
|
mergedStatsBlob *storage.Blob
|
|
deltaBlob *storage.Blob
|
|
deltaRowCount int64
|
|
|
|
segmentData map[string][]byte
|
|
|
|
writeRetryOpts []retry.Option
|
|
|
|
failureCallback func(err error)
|
|
|
|
tr *timerecord.TimeRecorder
|
|
}
|
|
|
|
func (t *SyncTask) getLogger() *log.MLogger {
|
|
return log.Ctx(context.Background()).With(
|
|
zap.Int64("collectionID", t.collectionID),
|
|
zap.Int64("partitionID", t.partitionID),
|
|
zap.Int64("segmentID", t.segmentID),
|
|
zap.String("channel", t.channelName),
|
|
)
|
|
}
|
|
|
|
func (t *SyncTask) handleError(err error, metricSegLevel string) {
|
|
if t.failureCallback != nil {
|
|
t.failureCallback(err)
|
|
}
|
|
|
|
metrics.DataNodeFlushBufferCount.WithLabelValues(fmt.Sprint(paramtable.GetNodeID()), metrics.FailLabel, metricSegLevel).Inc()
|
|
if !t.isFlush {
|
|
metrics.DataNodeAutoFlushBufferCount.WithLabelValues(fmt.Sprint(paramtable.GetNodeID()), metrics.FailLabel, metricSegLevel).Inc()
|
|
}
|
|
}
|
|
|
|
func (t *SyncTask) Run() (err error) {
|
|
t.tr = timerecord.NewTimeRecorder("syncTask")
|
|
metricSegLevel := t.level.String()
|
|
|
|
log := t.getLogger()
|
|
defer func() {
|
|
if err != nil {
|
|
t.handleError(err, metricSegLevel)
|
|
}
|
|
}()
|
|
|
|
var has bool
|
|
t.segment, has = t.metacache.GetSegmentByID(t.segmentID)
|
|
if !has {
|
|
log.Warn("failed to sync data, segment not found in metacache")
|
|
err := merr.WrapErrSegmentNotFound(t.segmentID)
|
|
t.handleError(err, metricSegLevel)
|
|
return err
|
|
}
|
|
|
|
if t.segment.CompactTo() == metacache.NullSegment {
|
|
log.Info("segment compacted to zero-length segment, discard sync task")
|
|
return nil
|
|
}
|
|
|
|
if t.segment.CompactTo() > 0 {
|
|
log.Info("syncing segment compacted, update segment id", zap.Int64("compactTo", t.segment.CompactTo()))
|
|
// update sync task segment id
|
|
// it's ok to use compactTo segmentID here, since there shall be no insert for compacted segment
|
|
t.segmentID = t.segment.CompactTo()
|
|
}
|
|
|
|
err = t.processInsertBlobs()
|
|
if err != nil {
|
|
log.Warn("failed to process insert blobs", zap.Error(err))
|
|
return err
|
|
}
|
|
|
|
err = t.processStatsBlob()
|
|
if err != nil {
|
|
log.Warn("failed to serialize insert data", zap.Error(err))
|
|
t.handleError(err, metricSegLevel)
|
|
log.Warn("failed to process stats blobs", zap.Error(err))
|
|
return err
|
|
}
|
|
|
|
err = t.processDeltaBlob()
|
|
if err != nil {
|
|
log.Warn("failed to serialize delete data", zap.Error(err))
|
|
t.handleError(err, metricSegLevel)
|
|
log.Warn("failed to process delta blobs", zap.Error(err))
|
|
return err
|
|
}
|
|
|
|
/*
|
|
var totalSize float64 = 0
|
|
if t.deleteData != nil {
|
|
totalSize += float64(t.deleteData.Size())
|
|
}
|
|
|
|
if t.insertData != nil {
|
|
totalSize += float64(t.insertData.GetMemorySize())
|
|
}
|
|
metrics.DataNodeFlushedSize.WithLabelValues(fmt.Sprint(paramtable.GetNodeID()), metrics.AllLabel, metricSegLevel).Add(totalSize)
|
|
metrics.DataNodeEncodeBufferLatency.WithLabelValues(fmt.Sprint(paramtable.GetNodeID()), metricSegLevel).Observe(float64(t.tr.RecordSpan().Milliseconds()))*/
|
|
|
|
err = t.writeLogs()
|
|
if err != nil {
|
|
log.Warn("failed to save serialized data into storage", zap.Error(err))
|
|
t.handleError(err, metricSegLevel)
|
|
return err
|
|
}
|
|
|
|
metrics.DataNodeSave2StorageLatency.WithLabelValues(fmt.Sprint(paramtable.GetNodeID()), metricSegLevel).Observe(float64(t.tr.RecordSpan().Milliseconds()))
|
|
|
|
if t.metaWriter != nil {
|
|
err = t.writeMeta()
|
|
if err != nil {
|
|
log.Warn("failed to save serialized data into storage", zap.Error(err))
|
|
t.handleError(err, metricSegLevel)
|
|
return err
|
|
}
|
|
}
|
|
|
|
actions := []metacache.SegmentAction{metacache.FinishSyncing(t.batchSize)}
|
|
switch {
|
|
case t.isDrop:
|
|
actions = append(actions, metacache.UpdateState(commonpb.SegmentState_Dropped))
|
|
case t.isFlush:
|
|
actions = append(actions, metacache.UpdateState(commonpb.SegmentState_Flushed))
|
|
}
|
|
|
|
t.metacache.UpdateSegments(metacache.MergeSegmentAction(actions...), metacache.WithSegmentIDs(t.segment.SegmentID()))
|
|
|
|
log.Info("task done")
|
|
|
|
if !t.isFlush {
|
|
metrics.DataNodeAutoFlushBufferCount.WithLabelValues(fmt.Sprint(paramtable.GetNodeID()), metrics.SuccessLabel, metricSegLevel).Inc()
|
|
}
|
|
metrics.DataNodeFlushBufferCount.WithLabelValues(fmt.Sprint(paramtable.GetNodeID()), metrics.SuccessLabel, metricSegLevel).Inc()
|
|
return nil
|
|
}
|
|
|
|
func (t *SyncTask) processInsertBlobs() error {
|
|
if len(t.binlogBlobs) == 0 {
|
|
return nil
|
|
}
|
|
|
|
logidx, _, err := t.allocator.Alloc(uint32(len(t.binlogBlobs)))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
for fieldID, blob := range t.binlogBlobs {
|
|
k := metautil.JoinIDPath(t.collectionID, t.partitionID, t.segmentID, fieldID, logidx)
|
|
key := path.Join(t.chunkManager.RootPath(), common.SegmentInsertLogPath, k)
|
|
t.segmentData[key] = blob.GetValue()
|
|
t.appendBinlog(fieldID, &datapb.Binlog{
|
|
EntriesNum: blob.RowNum,
|
|
TimestampFrom: t.tsFrom,
|
|
TimestampTo: t.tsTo,
|
|
LogPath: key,
|
|
LogSize: t.binlogMemsize[fieldID],
|
|
})
|
|
logidx++
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (t *SyncTask) processStatsBlob() error {
|
|
if t.batchStatsBlob != nil {
|
|
logidx, err := t.allocator.AllocOne()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
t.convertBlob2StatsBinlog(t.batchStatsBlob, t.pkField.GetFieldID(), logidx, t.batchSize)
|
|
}
|
|
if t.mergedStatsBlob != nil {
|
|
totalRowNum := t.segment.NumOfRows()
|
|
t.convertBlob2StatsBinlog(t.mergedStatsBlob, t.pkField.GetFieldID(), int64(storage.CompoundStatsType), totalRowNum)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (t *SyncTask) processDeltaBlob() error {
|
|
if t.deltaBlob != nil {
|
|
logID, err := t.allocator.AllocOne()
|
|
if err != nil {
|
|
log.Error("failed to alloc ID", zap.Error(err))
|
|
return err
|
|
}
|
|
|
|
value := t.deltaBlob.GetValue()
|
|
data := &datapb.Binlog{}
|
|
|
|
blobKey := metautil.JoinIDPath(t.collectionID, t.partitionID, t.segmentID, logID)
|
|
blobPath := path.Join(t.chunkManager.RootPath(), common.SegmentDeltaLogPath, blobKey)
|
|
|
|
t.segmentData[blobPath] = value
|
|
data.LogSize = int64(len(t.deltaBlob.Value))
|
|
data.LogPath = blobPath
|
|
data.TimestampFrom = t.tsFrom
|
|
data.TimestampTo = t.tsTo
|
|
data.EntriesNum = t.deltaRowCount
|
|
t.appendDeltalog(data)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (t *SyncTask) convertBlob2StatsBinlog(blob *storage.Blob, fieldID, logID int64, rowNum int64) {
|
|
key := metautil.JoinIDPath(t.collectionID, t.partitionID, t.segmentID, fieldID, logID)
|
|
key = path.Join(t.chunkManager.RootPath(), common.SegmentStatslogPath, key)
|
|
|
|
value := blob.GetValue()
|
|
t.segmentData[key] = value
|
|
t.appendStatslog(fieldID, &datapb.Binlog{
|
|
EntriesNum: rowNum,
|
|
TimestampFrom: t.tsFrom,
|
|
TimestampTo: t.tsTo,
|
|
LogPath: key,
|
|
LogSize: int64(len(value)),
|
|
})
|
|
}
|
|
|
|
func (t *SyncTask) appendBinlog(fieldID int64, binlog *datapb.Binlog) {
|
|
fieldBinlog, ok := t.insertBinlogs[fieldID]
|
|
if !ok {
|
|
fieldBinlog = &datapb.FieldBinlog{
|
|
FieldID: fieldID,
|
|
}
|
|
t.insertBinlogs[fieldID] = fieldBinlog
|
|
}
|
|
|
|
fieldBinlog.Binlogs = append(fieldBinlog.Binlogs, binlog)
|
|
}
|
|
|
|
func (t *SyncTask) appendStatslog(fieldID int64, statlog *datapb.Binlog) {
|
|
fieldBinlog, ok := t.statsBinlogs[fieldID]
|
|
if !ok {
|
|
fieldBinlog = &datapb.FieldBinlog{
|
|
FieldID: fieldID,
|
|
}
|
|
t.statsBinlogs[fieldID] = fieldBinlog
|
|
}
|
|
fieldBinlog.Binlogs = append(fieldBinlog.Binlogs, statlog)
|
|
}
|
|
|
|
func (t *SyncTask) appendDeltalog(deltalog *datapb.Binlog) {
|
|
t.deltaBinlog.Binlogs = append(t.deltaBinlog.Binlogs, deltalog)
|
|
}
|
|
|
|
// writeLogs writes log files (binlog/deltalog/statslog) into storage via chunkManger.
|
|
func (t *SyncTask) writeLogs() error {
|
|
return retry.Do(context.Background(), func() error {
|
|
return t.chunkManager.MultiWrite(context.Background(), t.segmentData)
|
|
}, t.writeRetryOpts...)
|
|
}
|
|
|
|
// writeMeta updates segments via meta writer in option.
|
|
func (t *SyncTask) writeMeta() error {
|
|
return t.metaWriter.UpdateSync(t)
|
|
}
|
|
|
|
func (t *SyncTask) SegmentID() int64 {
|
|
return t.segmentID
|
|
}
|
|
|
|
func (t *SyncTask) Checkpoint() *msgpb.MsgPosition {
|
|
return t.checkpoint
|
|
}
|
|
|
|
func (t *SyncTask) StartPosition() *msgpb.MsgPosition {
|
|
return t.startPosition
|
|
}
|
|
|
|
func (t *SyncTask) ChannelName() string {
|
|
return t.channelName
|
|
}
|