mirror of
https://gitee.com/milvus-io/milvus.git
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300 lines
9.3 KiB
Go
300 lines
9.3 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 proxy
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import (
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"context"
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"strconv"
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"time"
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"go.uber.org/zap"
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"golang.org/x/sync/errgroup"
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"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
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"github.com/milvus-io/milvus-proto/go-api/v2/milvuspb"
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"github.com/milvus-io/milvus-proto/go-api/v2/msgpb"
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"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
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"github.com/milvus-io/milvus/internal/allocator"
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"github.com/milvus-io/milvus/pkg/log"
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"github.com/milvus-io/milvus/pkg/metrics"
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"github.com/milvus-io/milvus/pkg/mq/msgstream"
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"github.com/milvus-io/milvus/pkg/util/commonpbutil"
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"github.com/milvus-io/milvus/pkg/util/paramtable"
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"github.com/milvus-io/milvus/pkg/util/retry"
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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)
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func genInsertMsgsByPartition(ctx context.Context,
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segmentID UniqueID,
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partitionID UniqueID,
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partitionName string,
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rowOffsets []int,
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channelName string,
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insertMsg *msgstream.InsertMsg,
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) ([]msgstream.TsMsg, error) {
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threshold := Params.PulsarCfg.MaxMessageSize.GetAsInt()
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// create empty insert message
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createInsertMsg := func(segmentID UniqueID, channelName string) *msgstream.InsertMsg {
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insertReq := msgpb.InsertRequest{
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Base: commonpbutil.NewMsgBase(
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commonpbutil.WithMsgType(commonpb.MsgType_Insert),
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commonpbutil.WithTimeStamp(insertMsg.BeginTimestamp), // entity's timestamp was set to equal it.BeginTimestamp in preExecute()
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commonpbutil.WithSourceID(insertMsg.Base.SourceID),
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),
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CollectionID: insertMsg.CollectionID,
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PartitionID: partitionID,
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CollectionName: insertMsg.CollectionName,
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PartitionName: partitionName,
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SegmentID: segmentID,
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ShardName: channelName,
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Version: msgpb.InsertDataVersion_ColumnBased,
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}
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insertReq.FieldsData = make([]*schemapb.FieldData, len(insertMsg.GetFieldsData()))
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msg := &msgstream.InsertMsg{
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BaseMsg: msgstream.BaseMsg{
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Ctx: ctx,
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},
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InsertRequest: insertReq,
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}
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return msg
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}
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repackedMsgs := make([]msgstream.TsMsg, 0)
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requestSize := 0
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msg := createInsertMsg(segmentID, channelName)
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for _, offset := range rowOffsets {
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curRowMessageSize, err := typeutil.EstimateEntitySize(insertMsg.GetFieldsData(), offset)
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if err != nil {
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return nil, err
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}
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// if insertMsg's size is greater than the threshold, split into multiple insertMsgs
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if requestSize+curRowMessageSize >= threshold {
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repackedMsgs = append(repackedMsgs, msg)
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msg = createInsertMsg(segmentID, channelName)
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requestSize = 0
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}
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typeutil.AppendFieldData(msg.FieldsData, insertMsg.GetFieldsData(), int64(offset))
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msg.HashValues = append(msg.HashValues, insertMsg.HashValues[offset])
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msg.Timestamps = append(msg.Timestamps, insertMsg.Timestamps[offset])
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msg.RowIDs = append(msg.RowIDs, insertMsg.RowIDs[offset])
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msg.NumRows++
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requestSize += curRowMessageSize
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}
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repackedMsgs = append(repackedMsgs, msg)
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return repackedMsgs, nil
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}
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func repackInsertDataByPartition(ctx context.Context,
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partitionName string,
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rowOffsets []int,
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channelName string,
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insertMsg *msgstream.InsertMsg,
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segIDAssigner *segIDAssigner,
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) ([]msgstream.TsMsg, error) {
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res := make([]msgstream.TsMsg, 0)
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maxTs := Timestamp(0)
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for _, offset := range rowOffsets {
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ts := insertMsg.Timestamps[offset]
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if maxTs < ts {
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maxTs = ts
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}
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}
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partitionID, err := globalMetaCache.GetPartitionID(ctx, insertMsg.GetDbName(), insertMsg.CollectionName, partitionName)
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if err != nil {
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return nil, err
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}
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beforeAssign := time.Now()
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assignedSegmentInfos, err := segIDAssigner.GetSegmentID(insertMsg.CollectionID, partitionID, channelName, uint32(len(rowOffsets)), maxTs)
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metrics.ProxyAssignSegmentIDLatency.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10)).Observe(float64(time.Since(beforeAssign).Milliseconds()))
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if err != nil {
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log.Error("allocate segmentID for insert data failed",
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zap.String("collectionName", insertMsg.CollectionName),
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zap.String("channelName", channelName),
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zap.Int("allocate count", len(rowOffsets)),
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zap.Error(err))
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return nil, err
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}
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startPos := 0
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for segmentID, count := range assignedSegmentInfos {
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subRowOffsets := rowOffsets[startPos : startPos+int(count)]
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msgs, err := genInsertMsgsByPartition(ctx, segmentID, partitionID, partitionName, subRowOffsets, channelName, insertMsg)
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if err != nil {
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log.Warn("repack insert data to insert msgs failed",
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zap.String("collectionName", insertMsg.CollectionName),
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zap.Int64("partitionID", partitionID),
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zap.Error(err))
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return nil, err
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}
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res = append(res, msgs...)
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startPos += int(count)
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}
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return res, nil
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}
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func setMsgID(ctx context.Context,
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msgs []msgstream.TsMsg,
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idAllocator *allocator.IDAllocator,
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) error {
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var idBegin int64
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var err error
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err = retry.Do(ctx, func() error {
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idBegin, _, err = idAllocator.Alloc(uint32(len(msgs)))
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return err
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})
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if err != nil {
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log.Error("failed to allocate msg id", zap.Error(err))
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return err
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}
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for i, msg := range msgs {
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msg.SetID(idBegin + UniqueID(i))
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}
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return nil
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}
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func repackInsertData(ctx context.Context,
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channelNames []string,
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insertMsg *msgstream.InsertMsg,
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result *milvuspb.MutationResult,
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idAllocator *allocator.IDAllocator,
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segIDAssigner *segIDAssigner,
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) (*msgstream.MsgPack, error) {
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msgPack := &msgstream.MsgPack{
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BeginTs: insertMsg.BeginTs(),
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EndTs: insertMsg.EndTs(),
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}
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channel2RowOffsets := assignChannelsByPK(result.IDs, channelNames, insertMsg)
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for channel, rowOffsets := range channel2RowOffsets {
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partitionName := insertMsg.PartitionName
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msgs, err := repackInsertDataByPartition(ctx, partitionName, rowOffsets, channel, insertMsg, segIDAssigner)
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if err != nil {
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log.Warn("repack insert data to msg pack failed",
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zap.String("collectionName", insertMsg.CollectionName),
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zap.String("partition name", partitionName),
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zap.Error(err))
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return nil, err
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}
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msgPack.Msgs = append(msgPack.Msgs, msgs...)
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}
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err := setMsgID(ctx, msgPack.Msgs, idAllocator)
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if err != nil {
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log.Error("failed to set msgID when repack insert data",
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zap.String("collectionName", insertMsg.CollectionName),
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zap.String("partition name", insertMsg.PartitionName),
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zap.Error(err))
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return nil, err
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}
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return msgPack, nil
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}
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func repackInsertDataWithPartitionKey(ctx context.Context,
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channelNames []string,
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partitionKeys *schemapb.FieldData,
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insertMsg *msgstream.InsertMsg,
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result *milvuspb.MutationResult,
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idAllocator *allocator.IDAllocator,
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segIDAssigner *segIDAssigner,
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) (*msgstream.MsgPack, error) {
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msgPack := &msgstream.MsgPack{
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BeginTs: insertMsg.BeginTs(),
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EndTs: insertMsg.EndTs(),
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}
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channel2RowOffsets := assignChannelsByPK(result.IDs, channelNames, insertMsg)
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partitionNames, err := getDefaultPartitionNames(ctx, insertMsg.GetDbName(), insertMsg.CollectionName)
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if err != nil {
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log.Warn("get default partition names failed in partition key mode",
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zap.String("collectionName", insertMsg.CollectionName),
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zap.Error(err))
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return nil, err
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}
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hashValues, err := typeutil.HashKey2Partitions(partitionKeys, partitionNames)
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if err != nil {
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log.Warn("has partition keys to partitions failed",
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zap.String("collectionName", insertMsg.CollectionName),
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zap.Error(err))
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return nil, err
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}
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for channel, rowOffsets := range channel2RowOffsets {
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partition2RowOffsets := make(map[string][]int)
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for _, idx := range rowOffsets {
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partitionName := partitionNames[hashValues[idx]]
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if _, ok := partition2RowOffsets[partitionName]; !ok {
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partition2RowOffsets[partitionName] = []int{}
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}
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partition2RowOffsets[partitionName] = append(partition2RowOffsets[partitionName], idx)
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}
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errGroup, _ := errgroup.WithContext(ctx)
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partition2Msgs := typeutil.NewConcurrentMap[string, []msgstream.TsMsg]()
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for partitionName, offsets := range partition2RowOffsets {
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partitionName := partitionName
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offsets := offsets
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errGroup.Go(func() error {
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msgs, err := repackInsertDataByPartition(ctx, partitionName, offsets, channel, insertMsg, segIDAssigner)
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if err != nil {
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return err
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}
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partition2Msgs.Insert(partitionName, msgs)
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return nil
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})
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}
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err = errGroup.Wait()
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if err != nil {
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log.Warn("repack insert data into insert msg pack failed",
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zap.String("collectionName", insertMsg.CollectionName),
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zap.String("channelName", channel),
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zap.Error(err))
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return nil, err
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}
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partition2Msgs.Range(func(name string, msgs []msgstream.TsMsg) bool {
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msgPack.Msgs = append(msgPack.Msgs, msgs...)
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return true
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})
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}
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err = setMsgID(ctx, msgPack.Msgs, idAllocator)
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if err != nil {
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log.Error("failed to set msgID when repack insert data",
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zap.String("collectionName", insertMsg.CollectionName),
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zap.Error(err))
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return nil, err
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}
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return msgPack, nil
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}
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