Fix remove segment when querynode receive segmentChangeInfo

internal/querycoord/query_coord_test.go

@@ -375,6 +375,38 @@ func TestHandoffSegmentLoop(t *testing.T) {
 		waitTaskFinalState(handoffTask, taskFailed)
 	})
 
+	releasePartitionTask := genReleasePartitionTask(baseCtx, queryCoord)
+	err = queryCoord.scheduler.Enqueue(releasePartitionTask)
+	assert.Nil(t, err)
+	waitTaskFinalState(releasePartitionTask, taskExpired)
+
+	t.Run("Test handoffReleasedPartition", func(t *testing.T) {
+		baseTask := newBaseTask(baseCtx, querypb.TriggerCondition_handoff)
+		segmentInfo := &querypb.SegmentInfo{
+			SegmentID:    defaultSegmentID,
+			CollectionID: defaultCollectionID,
+			PartitionID:  defaultPartitionID,
+			SegmentState: querypb.SegmentState_sealed,
+		}
+		handoffReq := &querypb.HandoffSegmentsRequest{
+			Base: &commonpb.MsgBase{
+				MsgType: commonpb.MsgType_HandoffSegments,
+			},
+			SegmentInfos: []*querypb.SegmentInfo{segmentInfo},
+		}
+		handoffTask := &handoffTask{
+			baseTask:               baseTask,
+			HandoffSegmentsRequest: handoffReq,
+			dataCoord:              queryCoord.dataCoordClient,
+			cluster:                queryCoord.cluster,
+			meta:                   queryCoord.meta,
+		}
+		err = queryCoord.scheduler.Enqueue(handoffTask)
+		assert.Nil(t, err)
+
+		waitTaskFinalState(handoffTask, taskExpired)
+	})
+
 	queryCoord.Stop()
 	err = removeAllSession()
 	assert.Nil(t, err)

internal/querycoord/task.go

@@ -1428,6 +1428,11 @@ func (ht *handoffTask) execute(ctx context.Context) error {
 			continue
 		}
 
+		if collectionInfo.LoadType == querypb.LoadType_loadCollection && ht.meta.hasReleasePartition(collectionID, partitionID) {
+			log.Debug("handoffTask: partition has not been released", zap.Int64("collectionID", collectionID), zap.Int64("partitionID", partitionID))
+			continue
+		}
+
 		partitionLoaded := false
 		for _, id := range collectionInfo.PartitionIDs {
 			if id == partitionID {

internal/querynode/query_collection.go

@@ -328,31 +328,12 @@ func (q *queryCollection) adjustByChangeInfo(msg *msgstream.SealedSegmentsChange
 				},
 			},
 		})
-		// 3. delete growing segment because these segments are loaded
-		hasGrowingSegment := q.streaming.replica.hasSegment(segment.SegmentID)
-		if hasGrowingSegment {
-			err = q.streaming.replica.removeSegment(segment.SegmentID)
-			if err != nil {
-				return err
-			}
-			log.Debug("remove growing segment in adjustByChangeInfo",
-				zap.Any("collectionID", q.collectionID),
-				zap.Any("segmentID", segment.SegmentID),
-			)
-		}
 	}
 
 	// for OfflineSegments:
 	for _, segment := range msg.OfflineSegments {
-		// 1. update global sealed segments
+		// update global sealed segments
 		q.globalSegmentManager.removeGlobalSegmentInfo(segment.SegmentID)
-		// 2. load balance, remove old sealed segments
-		if msg.OfflineNodeID == Params.QueryNodeID {
-			err := q.historical.replica.removeSegment(segment.SegmentID)
-			if err != nil {
-				return err
-			}
-		}
 	}
 	return nil
 }

internal/querynode/query_collection_test.go

@@ -666,6 +666,6 @@ func TestQueryCollection_adjustByChangeInfo(t *testing.T) {
 		info.OfflineSegments = append(info.OfflineSegments, genSimpleSegmentInfo())
 
 		err = qc.adjustByChangeInfo(info)
-		assert.Error(t, err)
+		assert.Nil(t, err)
 	})
 }

internal/querynode/query_node.go

@@ -43,7 +43,6 @@ import (
 	etcdkv "github.com/milvus-io/milvus/internal/kv/etcd"
 	"github.com/milvus-io/milvus/internal/log"
 	"github.com/milvus-io/milvus/internal/msgstream"
-	"github.com/milvus-io/milvus/internal/proto/datapb"
 	"github.com/milvus-io/milvus/internal/proto/internalpb"
 	"github.com/milvus-io/milvus/internal/proto/querypb"
 	"github.com/milvus-io/milvus/internal/types"
@@ -356,23 +355,7 @@ func (node *QueryNode) adjustByChangeInfo(info *querypb.SealedSegmentsChangeInfo
 
 	// For online segments:
 	for _, segmentInfo := range info.OnlineSegments {
-		// 1. update excluded segment, cluster have been loaded sealed segments,
-		// so we need to avoid getting growing segment from flow graph.
-		node.streaming.replica.addExcludedSegments(segmentInfo.CollectionID, []*datapb.SegmentInfo{
-			{
-				ID:            segmentInfo.SegmentID,
-				CollectionID:  segmentInfo.CollectionID,
-				PartitionID:   segmentInfo.PartitionID,
-				InsertChannel: segmentInfo.ChannelID,
-				NumOfRows:     segmentInfo.NumRows,
-				// TODO: add status, remove query pb segment status, use common pb segment status?
-				DmlPosition: &internalpb.MsgPosition{
-					// use max timestamp to filter out dm messages
-					Timestamp: typeutil.MaxTimestamp,
-				},
-			},
-		})
-		// 2. delete growing segment because these segments are loaded in historical.
+		// delete growing segment because these segments are loaded in historical.
 		hasGrowingSegment := node.streaming.replica.hasSegment(segmentInfo.SegmentID)
 		if hasGrowingSegment {
 			err := node.streaming.replica.removeSegment(segmentInfo.SegmentID)
@@ -389,7 +372,7 @@ func (node *QueryNode) adjustByChangeInfo(info *querypb.SealedSegmentsChangeInfo
 
 	// For offline segments:
 	for _, segment := range info.OfflineSegments {
-		// 1. load balance or compaction, remove old sealed segments.
+		// load balance or compaction, remove old sealed segments.
 		if info.OfflineNodeID == Params.QueryNodeID {
 			err := node.historical.replica.removeSegment(segment.SegmentID)
 			if err != nil {