mirror of https://github.com/milvus-io/milvus.git
107 lines
4.1 KiB
Go
107 lines
4.1 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 flusherimpl
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import (
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"context"
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"github.com/cockroachdb/errors"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/flushcommon/writebuffer"
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"github.com/milvus-io/milvus/internal/streamingnode/server/resource"
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"github.com/milvus-io/milvus/pkg/v2/log"
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"github.com/milvus-io/milvus/pkg/v2/proto/datapb"
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"github.com/milvus-io/milvus/pkg/v2/streaming/util/message"
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"github.com/milvus-io/milvus/pkg/v2/util/merr"
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"github.com/milvus-io/milvus/pkg/v2/util/retry"
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)
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func newMsgHandler(wbMgr writebuffer.BufferManager) *msgHandlerImpl {
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return &msgHandlerImpl{
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wbMgr: wbMgr,
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}
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}
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type msgHandlerImpl struct {
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wbMgr writebuffer.BufferManager
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}
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func (impl *msgHandlerImpl) HandleCreateSegment(ctx context.Context, createSegmentMsg message.ImmutableCreateSegmentMessageV2) error {
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vchannel := createSegmentMsg.VChannel()
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h := createSegmentMsg.Header()
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if err := impl.createNewGrowingSegment(ctx, vchannel, h); err != nil {
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return err
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}
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logger := log.With(log.FieldMessage(createSegmentMsg))
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if err := impl.wbMgr.CreateNewGrowingSegment(ctx, vchannel, h.PartitionId, h.SegmentId); err != nil {
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logger.Warn("fail to create new growing segment")
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return err
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}
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log.Info("create new growing segment")
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return nil
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}
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func (impl *msgHandlerImpl) createNewGrowingSegment(ctx context.Context, vchannel string, h *message.CreateSegmentMessageHeader) error {
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// Transfer the pending segment into growing state.
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// Alloc the growing segment at datacoord first.
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mix, err := resource.Resource().MixCoordClient().GetWithContext(ctx)
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if err != nil {
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return err
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}
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logger := log.With(zap.Int64("collectionID", h.CollectionId), zap.Int64("partitionID", h.PartitionId), zap.Int64("segmentID", h.SegmentId))
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return retry.Do(ctx, func() (err error) {
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resp, err := mix.AllocSegment(ctx, &datapb.AllocSegmentRequest{
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CollectionId: h.CollectionId,
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PartitionId: h.PartitionId,
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SegmentId: h.SegmentId,
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Vchannel: vchannel,
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StorageVersion: h.StorageVersion,
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IsCreatedByStreaming: true,
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})
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if err := merr.CheckRPCCall(resp, err); err != nil {
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logger.Warn("failed to alloc growing segment at datacoord")
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return errors.Wrap(err, "failed to alloc growing segment at datacoord")
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}
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logger.Info("alloc growing segment at datacoord")
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return nil
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}, retry.AttemptAlways())
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}
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func (impl *msgHandlerImpl) HandleFlush(flushMsg message.ImmutableFlushMessageV2) error {
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vchannel := flushMsg.VChannel()
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if err := impl.wbMgr.SealSegments(context.Background(), vchannel, []int64{flushMsg.Header().SegmentId}); err != nil {
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return errors.Wrap(err, "failed to seal segments")
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}
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return nil
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}
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func (impl *msgHandlerImpl) HandleManualFlush(flushMsg message.ImmutableManualFlushMessageV2) error {
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vchannel := flushMsg.VChannel()
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if err := impl.wbMgr.SealSegments(context.Background(), vchannel, flushMsg.Header().SegmentIds); err != nil {
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return errors.Wrap(err, "failed to seal segments")
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}
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if err := impl.wbMgr.FlushChannel(context.Background(), vchannel, flushMsg.Header().FlushTs); err != nil {
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return errors.Wrap(err, "failed to flush channel")
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} // may be redundant.
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return nil
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}
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func (impl *msgHandlerImpl) HandleSchemaChange(ctx context.Context, msg message.ImmutableSchemaChangeMessageV2) error {
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return impl.wbMgr.SealSegments(context.Background(), msg.VChannel(), msg.Header().FlushedSegmentIds)
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}
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