mirror of
https://gitee.com/milvus-io/milvus.git
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638 lines
20 KiB
Go
638 lines
20 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 querynode
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import (
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"context"
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"errors"
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"fmt"
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"runtime/debug"
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"time"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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"github.com/milvus-io/milvus/internal/proto/internalpb"
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queryPb "github.com/milvus-io/milvus/internal/proto/querypb"
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"github.com/milvus-io/milvus/internal/util/funcutil"
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)
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type task interface {
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ID() UniqueID // return ReqID
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Timestamp() Timestamp
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PreExecute(ctx context.Context) error
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Execute(ctx context.Context) error
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PostExecute(ctx context.Context) error
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WaitToFinish() error
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Notify(err error)
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OnEnqueue() error
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}
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type baseTask struct {
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done chan error
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ctx context.Context
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id UniqueID
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ts Timestamp
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}
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func (b *baseTask) Ctx() context.Context {
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return b.ctx
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}
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func (b *baseTask) OnEnqueue() error {
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return nil
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}
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func (b *baseTask) ID() UniqueID {
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return b.id
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}
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func (b *baseTask) Timestamp() Timestamp {
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return b.ts
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}
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func (b *baseTask) PreExecute(ctx context.Context) error {
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return nil
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}
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func (b *baseTask) PostExecute(ctx context.Context) error {
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return nil
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}
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func (b *baseTask) WaitToFinish() error {
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err := <-b.done
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return err
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}
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func (b *baseTask) Notify(err error) {
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b.done <- err
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}
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type watchDmChannelsTask struct {
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baseTask
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req *queryPb.WatchDmChannelsRequest
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node *QueryNode
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}
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type watchDeltaChannelsTask struct {
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baseTask
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req *queryPb.WatchDeltaChannelsRequest
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node *QueryNode
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}
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type loadSegmentsTask struct {
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baseTask
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req *queryPb.LoadSegmentsRequest
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node *QueryNode
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}
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type releaseCollectionTask struct {
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baseTask
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req *queryPb.ReleaseCollectionRequest
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node *QueryNode
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}
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type releasePartitionsTask struct {
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baseTask
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req *queryPb.ReleasePartitionsRequest
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node *QueryNode
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}
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// watchDmChannelsTask
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func (w *watchDmChannelsTask) Execute(ctx context.Context) (err error) {
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collectionID := w.req.CollectionID
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partitionIDs := w.req.GetPartitionIDs()
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lType := w.req.GetLoadMeta().GetLoadType()
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if lType == queryPb.LoadType_UnKnownType {
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// if no partitionID is specified, load type is load collection
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if len(partitionIDs) != 0 {
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lType = queryPb.LoadType_LoadPartition
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} else {
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lType = queryPb.LoadType_LoadCollection
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}
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}
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// get all vChannels
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var vChannels, pChannels []Channel
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VPChannels := make(map[string]string) // map[vChannel]pChannel
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for _, info := range w.req.Infos {
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v := info.ChannelName
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p := funcutil.ToPhysicalChannel(info.ChannelName)
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vChannels = append(vChannels, v)
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pChannels = append(pChannels, p)
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VPChannels[v] = p
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}
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if len(VPChannels) != len(vChannels) {
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return errors.New("get physical channels failed, illegal channel length, collectionID = " + fmt.Sprintln(collectionID))
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}
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log.Info("Starting WatchDmChannels ...",
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zap.String("collectionName", w.req.Schema.Name),
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zap.Int64("collectionID", collectionID),
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zap.Int64("replicaID", w.req.GetReplicaID()),
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zap.Any("load type", lType),
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zap.Strings("vChannels", vChannels),
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zap.Strings("pChannels", pChannels),
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)
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// init collection meta
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coll := w.node.metaReplica.addCollection(collectionID, w.req.Schema)
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//add shard cluster
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for _, vchannel := range vChannels {
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w.node.ShardClusterService.addShardCluster(w.req.GetCollectionID(), w.req.GetReplicaID(), vchannel)
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}
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defer func() {
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if err != nil {
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for _, vchannel := range vChannels {
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w.node.ShardClusterService.releaseShardCluster(vchannel)
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}
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}
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}()
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// load growing segments
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unFlushedSegments := make([]*queryPb.SegmentLoadInfo, 0)
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unFlushedSegmentIDs := make([]UniqueID, 0)
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for _, info := range w.req.Infos {
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for _, ufInfo := range info.UnflushedSegments {
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// unFlushed segment may not have binLogs, skip loading
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if len(ufInfo.Binlogs) > 0 {
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unFlushedSegments = append(unFlushedSegments, &queryPb.SegmentLoadInfo{
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SegmentID: ufInfo.ID,
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PartitionID: ufInfo.PartitionID,
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CollectionID: ufInfo.CollectionID,
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BinlogPaths: ufInfo.Binlogs,
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NumOfRows: ufInfo.NumOfRows,
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Statslogs: ufInfo.Statslogs,
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Deltalogs: ufInfo.Deltalogs,
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})
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unFlushedSegmentIDs = append(unFlushedSegmentIDs, ufInfo.ID)
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}
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}
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}
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req := &queryPb.LoadSegmentsRequest{
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Base: &commonpb.MsgBase{
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MsgType: commonpb.MsgType_LoadSegments,
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MsgID: w.req.Base.MsgID, // use parent task's msgID
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},
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Infos: unFlushedSegments,
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CollectionID: collectionID,
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Schema: w.req.GetSchema(),
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LoadMeta: w.req.GetLoadMeta(),
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}
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// update partition info from unFlushedSegments and loadMeta
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for _, info := range req.Infos {
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err = w.node.metaReplica.addPartition(collectionID, info.PartitionID)
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if err != nil {
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return err
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}
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}
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for _, partitionID := range req.GetLoadMeta().GetPartitionIDs() {
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err = w.node.metaReplica.addPartition(collectionID, partitionID)
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if err != nil {
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return err
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}
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}
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log.Info("loading growing segments in WatchDmChannels...",
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zap.Int64("collectionID", collectionID),
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zap.Int64s("unFlushedSegmentIDs", unFlushedSegmentIDs),
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)
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err = w.node.loader.loadSegment(req, segmentTypeGrowing)
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if err != nil {
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log.Warn(err.Error())
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return err
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}
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log.Info("successfully load growing segments done in WatchDmChannels",
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zap.Int64("collectionID", collectionID),
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zap.Int64s("unFlushedSegmentIDs", unFlushedSegmentIDs),
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)
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// remove growing segment if watch dmChannels failed
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defer func() {
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if err != nil {
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collection, err2 := w.node.metaReplica.getCollectionByID(collectionID)
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if err2 == nil {
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collection.Lock()
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defer collection.Unlock()
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for _, segmentID := range unFlushedSegmentIDs {
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w.node.metaReplica.removeSegment(segmentID, segmentTypeGrowing)
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}
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}
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}
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}()
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consumeSubName := funcutil.GenChannelSubName(Params.CommonCfg.QueryNodeSubName, collectionID, Params.QueryNodeCfg.GetNodeID())
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// group channels by to seeking or consuming
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channel2SeekPosition := make(map[string]*internalpb.MsgPosition)
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channel2AsConsumerPosition := make(map[string]*internalpb.MsgPosition)
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for _, info := range w.req.Infos {
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if info.SeekPosition == nil || len(info.SeekPosition.MsgID) == 0 {
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channel2AsConsumerPosition[info.ChannelName] = info.SeekPosition
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continue
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}
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info.SeekPosition.MsgGroup = consumeSubName
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channel2SeekPosition[info.ChannelName] = info.SeekPosition
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}
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log.Info("watchDMChannel, group channels done", zap.Int64("collectionID", collectionID))
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// add excluded segments for unFlushed segments,
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// unFlushed segments before check point should be filtered out.
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unFlushedCheckPointInfos := make([]*datapb.SegmentInfo, 0)
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for _, info := range w.req.Infos {
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unFlushedCheckPointInfos = append(unFlushedCheckPointInfos, info.UnflushedSegments...)
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}
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w.node.metaReplica.addExcludedSegments(collectionID, unFlushedCheckPointInfos)
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unflushedSegmentIDs := make([]UniqueID, 0)
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for i := 0; i < len(unFlushedCheckPointInfos); i++ {
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unflushedSegmentIDs = append(unflushedSegmentIDs, unFlushedCheckPointInfos[i].GetID())
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}
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log.Info("watchDMChannel, add check points info for unFlushed segments done",
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zap.Int64("collectionID", collectionID),
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zap.Any("unflushedSegmentIDs", unflushedSegmentIDs),
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)
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// add excluded segments for flushed segments,
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// flushed segments with later check point than seekPosition should be filtered out.
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flushedCheckPointInfos := make([]*datapb.SegmentInfo, 0)
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for _, info := range w.req.Infos {
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for _, flushedSegment := range info.FlushedSegments {
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for _, position := range channel2SeekPosition {
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if flushedSegment.DmlPosition != nil &&
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flushedSegment.DmlPosition.ChannelName == position.ChannelName &&
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flushedSegment.DmlPosition.Timestamp > position.Timestamp {
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flushedCheckPointInfos = append(flushedCheckPointInfos, flushedSegment)
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}
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}
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}
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}
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w.node.metaReplica.addExcludedSegments(collectionID, flushedCheckPointInfos)
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log.Info("watchDMChannel, add check points info for flushed segments done",
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zap.Int64("collectionID", collectionID),
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zap.Any("flushedCheckPointInfos", flushedCheckPointInfos),
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)
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// add excluded segments for dropped segments,
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// dropped segments with later check point than seekPosition should be filtered out.
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droppedCheckPointInfos := make([]*datapb.SegmentInfo, 0)
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for _, info := range w.req.Infos {
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for _, droppedSegment := range info.DroppedSegments {
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for _, position := range channel2SeekPosition {
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if droppedSegment != nil &&
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droppedSegment.DmlPosition.ChannelName == position.ChannelName &&
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droppedSegment.DmlPosition.Timestamp > position.Timestamp {
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droppedCheckPointInfos = append(droppedCheckPointInfos, droppedSegment)
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}
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}
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}
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}
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w.node.metaReplica.addExcludedSegments(collectionID, droppedCheckPointInfos)
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log.Info("watchDMChannel, add check points info for dropped segments done",
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zap.Int64("collectionID", collectionID),
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zap.Any("droppedCheckPointInfos", droppedCheckPointInfos),
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)
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// add flow graph
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channel2FlowGraph, err := w.node.dataSyncService.addFlowGraphsForDMLChannels(collectionID, vChannels)
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if err != nil {
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log.Warn("watchDMChannel, add flowGraph for dmChannels failed", zap.Int64("collectionID", collectionID), zap.Strings("vChannels", vChannels), zap.Error(err))
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return err
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}
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log.Info("Query node add DML flow graphs", zap.Int64("collectionID", collectionID), zap.Any("channels", vChannels))
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// channels as consumer
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for channel, fg := range channel2FlowGraph {
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if _, ok := channel2AsConsumerPosition[channel]; ok {
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// use pChannel to consume
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err = fg.consumeFlowGraph(VPChannels[channel], consumeSubName)
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if err != nil {
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log.Error("msgStream as consumer failed for dmChannels", zap.Int64("collectionID", collectionID), zap.String("vChannel", channel))
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break
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}
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}
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if pos, ok := channel2SeekPosition[channel]; ok {
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pos.MsgGroup = consumeSubName
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// use pChannel to seek
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pos.ChannelName = VPChannels[channel]
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err = fg.seekQueryNodeFlowGraph(pos)
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if err != nil {
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log.Error("msgStream seek failed for dmChannels", zap.Int64("collectionID", collectionID), zap.String("vChannel", channel))
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break
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}
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}
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}
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if err != nil {
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log.Warn("watchDMChannel, add flowGraph for dmChannels failed", zap.Int64("collectionID", collectionID), zap.Strings("vChannels", vChannels), zap.Error(err))
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for _, fg := range channel2FlowGraph {
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fg.flowGraph.Close()
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}
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gcChannels := make([]Channel, 0)
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for channel := range channel2FlowGraph {
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gcChannels = append(gcChannels, channel)
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}
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w.node.dataSyncService.removeFlowGraphsByDMLChannels(gcChannels)
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return err
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}
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log.Info("watchDMChannel, add flowGraph for dmChannels success", zap.Int64("collectionID", collectionID), zap.Strings("vChannels", vChannels))
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coll.addVChannels(vChannels)
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coll.addPChannels(pChannels)
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coll.setLoadType(lType)
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log.Info("watchDMChannel, init replica done", zap.Int64("collectionID", collectionID), zap.Strings("vChannels", vChannels))
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// create tSafe
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for _, channel := range vChannels {
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w.node.tSafeReplica.addTSafe(channel)
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}
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// add tsafe watch in query shard if exists
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for _, dmlChannel := range vChannels {
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if !w.node.queryShardService.hasQueryShard(dmlChannel) {
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w.node.queryShardService.addQueryShard(collectionID, dmlChannel, w.req.GetReplicaID())
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}
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}
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// start flow graphs
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for _, fg := range channel2FlowGraph {
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fg.flowGraph.Start()
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}
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log.Info("WatchDmChannels done", zap.Int64("collectionID", collectionID), zap.Strings("vChannels", vChannels))
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return nil
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}
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// watchDeltaChannelsTask
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func (w *watchDeltaChannelsTask) Execute(ctx context.Context) error {
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collectionID := w.req.CollectionID
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// get all vChannels
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vDeltaChannels := make([]Channel, 0)
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pDeltaChannels := make([]Channel, 0)
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VPDeltaChannels := make(map[string]string) // map[vChannel]pChannel
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vChannel2SeekPosition := make(map[string]*internalpb.MsgPosition)
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for _, info := range w.req.Infos {
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v := info.ChannelName
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p := funcutil.ToPhysicalChannel(info.ChannelName)
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vDeltaChannels = append(vDeltaChannels, v)
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pDeltaChannels = append(pDeltaChannels, p)
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VPDeltaChannels[v] = p
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vChannel2SeekPosition[v] = info.SeekPosition
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}
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log.Info("Starting WatchDeltaChannels ...",
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zap.Any("collectionID", collectionID),
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zap.Any("vDeltaChannels", vDeltaChannels),
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zap.Any("pChannels", pDeltaChannels),
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)
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if len(VPDeltaChannels) != len(vDeltaChannels) {
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return errors.New("get physical channels failed, illegal channel length, collectionID = " + fmt.Sprintln(collectionID))
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}
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log.Info("Get physical channels done",
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zap.Any("collectionID", collectionID),
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)
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if hasColl := w.node.metaReplica.hasCollection(collectionID); !hasColl {
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return fmt.Errorf("cannot find collection with collectionID, %d", collectionID)
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}
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coll, err := w.node.metaReplica.getCollectionByID(collectionID)
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if err != nil {
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return err
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}
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channel2FlowGraph, err := w.node.dataSyncService.addFlowGraphsForDeltaChannels(collectionID, vDeltaChannels)
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if err != nil {
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log.Warn("watchDeltaChannel, add flowGraph for deltaChannel failed", zap.Int64("collectionID", collectionID), zap.Strings("vDeltaChannels", vDeltaChannels), zap.Error(err))
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return err
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}
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consumeSubName := funcutil.GenChannelSubName(Params.CommonCfg.QueryNodeSubName, collectionID, Params.QueryNodeCfg.GetNodeID())
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// channels as consumer
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for channel, fg := range channel2FlowGraph {
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// use pChannel to consume
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err = fg.consumeFlowGraphFromLatest(VPDeltaChannels[channel], consumeSubName)
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if err != nil {
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log.Error("msgStream as consumer failed for deltaChannels", zap.Int64("collectionID", collectionID), zap.Strings("vDeltaChannels", vDeltaChannels))
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break
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}
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err = w.node.loader.FromDmlCPLoadDelete(w.ctx, collectionID, vChannel2SeekPosition[channel])
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if err != nil {
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log.Error("watchDeltaChannelsTask from dml cp load delete failed", zap.Int64("collectionID", collectionID), zap.Strings("vDeltaChannels", vDeltaChannels))
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break
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}
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}
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if err != nil {
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log.Warn("watchDeltaChannel, add flowGraph for deltaChannel failed", zap.Int64("collectionID", collectionID), zap.Strings("vDeltaChannels", vDeltaChannels), zap.Error(err))
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for _, fg := range channel2FlowGraph {
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fg.flowGraph.Close()
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}
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gcChannels := make([]Channel, 0)
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for channel := range channel2FlowGraph {
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gcChannels = append(gcChannels, channel)
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}
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w.node.dataSyncService.removeFlowGraphsByDeltaChannels(gcChannels)
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return err
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}
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log.Info("watchDeltaChannel, add flowGraph for deltaChannel success", zap.Int64("collectionID", collectionID), zap.Strings("vDeltaChannels", vDeltaChannels))
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//set collection replica
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coll.addVDeltaChannels(vDeltaChannels)
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coll.addPDeltaChannels(pDeltaChannels)
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// create tSafe
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for _, channel := range vDeltaChannels {
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w.node.tSafeReplica.addTSafe(channel)
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}
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// add tsafe watch in query shard if exists
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for _, channel := range vDeltaChannels {
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dmlChannel, err := funcutil.ConvertChannelName(channel, Params.CommonCfg.RootCoordDelta, Params.CommonCfg.RootCoordDml)
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if err != nil {
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log.Warn("failed to convert delta channel to dml", zap.String("channel", channel), zap.Error(err))
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continue
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}
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if !w.node.queryShardService.hasQueryShard(dmlChannel) {
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w.node.queryShardService.addQueryShard(collectionID, dmlChannel, w.req.GetReplicaId())
|
|
}
|
|
}
|
|
|
|
// start flow graphs
|
|
for _, fg := range channel2FlowGraph {
|
|
fg.flowGraph.Start()
|
|
}
|
|
|
|
log.Info("WatchDeltaChannels done", zap.Int64("collectionID", collectionID), zap.String("ChannelIDs", fmt.Sprintln(vDeltaChannels)))
|
|
return nil
|
|
}
|
|
|
|
// loadSegmentsTask
|
|
|
|
func (l *loadSegmentsTask) PreExecute(ctx context.Context) error {
|
|
log.Info("LoadSegmentTask PreExecute start", zap.Int64("msgID", l.req.Base.MsgID))
|
|
var err error
|
|
// init meta
|
|
collectionID := l.req.GetCollectionID()
|
|
l.node.metaReplica.addCollection(collectionID, l.req.GetSchema())
|
|
for _, partitionID := range l.req.GetLoadMeta().GetPartitionIDs() {
|
|
err = l.node.metaReplica.addPartition(collectionID, partitionID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
// filter segments that are already loaded in this querynode
|
|
var filteredInfos []*queryPb.SegmentLoadInfo
|
|
for _, info := range l.req.Infos {
|
|
has, err := l.node.metaReplica.hasSegment(info.SegmentID, segmentTypeSealed)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if !has {
|
|
filteredInfos = append(filteredInfos, info)
|
|
} else {
|
|
log.Debug("ignore segment that is already loaded", zap.Int64("segmentID", info.SegmentID))
|
|
}
|
|
}
|
|
l.req.Infos = filteredInfos
|
|
log.Info("LoadSegmentTask PreExecute done", zap.Int64("msgID", l.req.Base.MsgID))
|
|
return nil
|
|
}
|
|
|
|
func (l *loadSegmentsTask) Execute(ctx context.Context) error {
|
|
// TODO: support db
|
|
log.Info("LoadSegmentTask Execute start", zap.Int64("msgID", l.req.Base.MsgID))
|
|
err := l.node.loader.loadSegment(l.req, segmentTypeSealed)
|
|
if err != nil {
|
|
log.Warn(err.Error())
|
|
return err
|
|
}
|
|
|
|
// reload delete log from cp to latest position
|
|
for _, deltaPosition := range l.req.DeltaPositions {
|
|
err = l.node.loader.FromDmlCPLoadDelete(ctx, l.req.CollectionID, deltaPosition)
|
|
if err != nil {
|
|
for _, segment := range l.req.Infos {
|
|
l.node.metaReplica.removeSegment(segment.SegmentID, segmentTypeSealed)
|
|
}
|
|
log.Warn("LoadSegmentTask from delta check point load delete failed", zap.Int64("msgID", l.req.Base.MsgID), zap.Error(err))
|
|
return err
|
|
}
|
|
}
|
|
|
|
log.Info("LoadSegmentTask Execute done", zap.Int64("msgID", l.req.Base.MsgID))
|
|
return nil
|
|
}
|
|
|
|
type ReplicaType int
|
|
|
|
const (
|
|
replicaNone ReplicaType = iota
|
|
replicaStreaming
|
|
replicaHistorical
|
|
)
|
|
|
|
func (r *releaseCollectionTask) Execute(ctx context.Context) error {
|
|
log.Info("Execute release collection task", zap.Any("collectionID", r.req.CollectionID))
|
|
// sleep to wait for query tasks done
|
|
const gracefulReleaseTime = 1
|
|
time.Sleep(gracefulReleaseTime * time.Second)
|
|
log.Info("Starting release collection...",
|
|
zap.Any("collectionID", r.req.CollectionID),
|
|
)
|
|
|
|
collection, err := r.node.metaReplica.getCollectionByID(r.req.CollectionID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// set release time
|
|
log.Info("set release time", zap.Any("collectionID", r.req.CollectionID))
|
|
collection.setReleaseTime(r.req.Base.Timestamp, true)
|
|
|
|
// remove all flow graphs of the target collection
|
|
vChannels := collection.getVChannels()
|
|
vDeltaChannels := collection.getVDeltaChannels()
|
|
r.node.dataSyncService.removeFlowGraphsByDMLChannels(vChannels)
|
|
r.node.dataSyncService.removeFlowGraphsByDeltaChannels(vDeltaChannels)
|
|
|
|
// remove all tSafes of the target collection
|
|
for _, channel := range vChannels {
|
|
r.node.tSafeReplica.removeTSafe(channel)
|
|
}
|
|
for _, channel := range vDeltaChannels {
|
|
r.node.tSafeReplica.removeTSafe(channel)
|
|
}
|
|
log.Info("Release tSafe in releaseCollectionTask",
|
|
zap.Int64("collectionID", r.req.CollectionID),
|
|
zap.Strings("vChannels", vChannels),
|
|
zap.Strings("vDeltaChannels", vDeltaChannels),
|
|
)
|
|
|
|
r.node.metaReplica.removeExcludedSegments(r.req.CollectionID)
|
|
r.node.queryShardService.releaseCollection(r.req.CollectionID)
|
|
err = r.node.metaReplica.removeCollection(r.req.CollectionID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
debug.FreeOSMemory()
|
|
log.Info("ReleaseCollection done", zap.Int64("collectionID", r.req.CollectionID))
|
|
return nil
|
|
}
|
|
|
|
// releasePartitionsTask
|
|
func (r *releasePartitionsTask) Execute(ctx context.Context) error {
|
|
log.Info("Execute release partition task",
|
|
zap.Any("collectionID", r.req.CollectionID),
|
|
zap.Any("partitionIDs", r.req.PartitionIDs))
|
|
|
|
// sleep to wait for query tasks done
|
|
const gracefulReleaseTime = 1
|
|
time.Sleep(gracefulReleaseTime * time.Second)
|
|
|
|
_, err := r.node.metaReplica.getCollectionByID(r.req.CollectionID)
|
|
if err != nil {
|
|
return fmt.Errorf("release partitions failed, collectionID = %d, err = %s", r.req.CollectionID, err)
|
|
}
|
|
log.Info("start release partition", zap.Any("collectionID", r.req.CollectionID))
|
|
|
|
for _, id := range r.req.PartitionIDs {
|
|
// remove partition from streaming and historical
|
|
hasPartition := r.node.metaReplica.hasPartition(id)
|
|
if hasPartition {
|
|
err := r.node.metaReplica.removePartition(id)
|
|
if err != nil {
|
|
// not return, try to release all partitions
|
|
log.Warn(err.Error())
|
|
}
|
|
}
|
|
}
|
|
|
|
log.Info("Release partition task done",
|
|
zap.Any("collectionID", r.req.CollectionID),
|
|
zap.Any("partitionIDs", r.req.PartitionIDs))
|
|
return nil
|
|
}
|