From 0c39e0370cc1415b95adc4f29b44c61bcfe445f4 Mon Sep 17 00:00:00 2001
From: Bingyi Sun <sunbingyi1992@gmail.com>
Date: Wed, 15 Dec 2021 10:53:16 +0800
Subject: [PATCH] Move segment statistics update to datanode tt loop (#13233)

Signed-off-by: sunby <bingyi.sun@zilliz.com>

Co-authored-by: sunby <bingyi.sun@zilliz.com>
---
 internal/datacoord/param_table.go             |  11 -
 internal/datacoord/param_table_test.go        |   3 -
 .../datacoord/segment_allocation_policy.go    |   3 +-
 internal/datacoord/segment_manager_test.go    |   1 +
 internal/datacoord/server.go                  | 196 ++++----
 internal/datacoord/server_test.go             |  69 +--
 internal/datacoord/services.go                |   4 +-
 internal/datanode/data_node.go                |   1 -
 internal/datanode/data_node_test.go           |   1 -
 .../datanode/flow_graph_insert_buffer_node.go | 102 +---
 .../flow_graph_insert_buffer_node_test.go     |   9 +-
 internal/datanode/flow_graph_time_ticker.go   |  57 ++-
 .../datanode/flow_graph_time_ticker_test.go   |   6 +-
 internal/datanode/param_table.go              |  13 -
 internal/datanode/param_table_test.go         |   6 -
 internal/datanode/segment_replica.go          |   8 +-
 internal/msgstream/msg.go                     |  63 ---
 internal/msgstream/msg_test.go                |  44 --
 internal/msgstream/unmarshal.go               |   2 -
 internal/proto/data_coord.proto               |   6 +
 internal/proto/datapb/data_coord.pb.go        | 444 ++++++++++--------
 internal/proto/internal.proto                 |  15 -
 internal/proto/internalpb/internal.pb.go      | 395 +++++-----------
 23 files changed, 558 insertions(+), 901 deletions(-)

diff --git a/internal/datacoord/param_table.go b/internal/datacoord/param_table.go
index af39206a04..f1831212d9 100644
--- a/internal/datacoord/param_table.go
+++ b/internal/datacoord/param_table.go
@@ -69,7 +69,6 @@ type ParamTable struct {
 	// --- Channels ---
 	ClusterChannelPrefix      string
 	InsertChannelPrefixName   string
-	StatisticsChannelName     string
 	TimeTickChannelName       string
 	SegmentInfoChannelName    string
 	DataCoordSubscriptionName string
@@ -117,7 +116,6 @@ func (p *ParamTable) Init() {
 	// Has to init global msgchannel prefix before other channel names
 	p.initClusterMsgChannelPrefix()
 	p.initInsertChannelPrefixName()
-	p.initStatisticsChannelName()
 	p.initTimeTickChannelName()
 	p.initSegmentInfoChannelName()
 	p.initDataCoordSubscriptionName()
@@ -244,15 +242,6 @@ func (p *ParamTable) initInsertChannelPrefixName() {
 	p.InsertChannelPrefixName = strings.Join(s, "-")
 }
 
-func (p *ParamTable) initStatisticsChannelName() {
-	config, err := p.Load("msgChannel.chanNamePrefix.dataCoordStatistic")
-	if err != nil {
-		panic(err)
-	}
-	s := []string{p.ClusterChannelPrefix, config}
-	p.StatisticsChannelName = strings.Join(s, "-")
-}
-
 func (p *ParamTable) initTimeTickChannelName() {
 	config, err := p.Load("msgChannel.chanNamePrefix.dataCoordTimeTick")
 	if err != nil {
diff --git a/internal/datacoord/param_table_test.go b/internal/datacoord/param_table_test.go
index 7d5313129a..23f00975ed 100644
--- a/internal/datacoord/param_table_test.go
+++ b/internal/datacoord/param_table_test.go
@@ -29,9 +29,6 @@ func TestParamTable(t *testing.T) {
 	assert.Equal(t, Params.InsertChannelPrefixName, "by-dev-insert-channel-")
 	t.Logf("data coord insert channel = %s", Params.InsertChannelPrefixName)
 
-	assert.Equal(t, Params.StatisticsChannelName, "by-dev-datacoord-statistics-channel")
-	t.Logf("data coord stats channel = %s", Params.StatisticsChannelName)
-
 	assert.Equal(t, Params.TimeTickChannelName, "by-dev-datacoord-timetick-channel")
 	t.Logf("data coord timetick channel = %s", Params.TimeTickChannelName)
 
diff --git a/internal/datacoord/segment_allocation_policy.go b/internal/datacoord/segment_allocation_policy.go
index 66d44c1681..8ff76badd7 100644
--- a/internal/datacoord/segment_allocation_policy.go
+++ b/internal/datacoord/segment_allocation_policy.go
@@ -142,5 +142,6 @@ const flushInterval = 2 * time.Second
 func flushPolicyV1(segment *SegmentInfo, t Timestamp) bool {
 	return segment.GetState() == commonpb.SegmentState_Sealed &&
 		segment.GetLastExpireTime() <= t &&
-		time.Since(segment.lastFlushTime) >= flushInterval
+		time.Since(segment.lastFlushTime) >= flushInterval &&
+		segment.currRows != 0
 }
diff --git a/internal/datacoord/segment_manager_test.go b/internal/datacoord/segment_manager_test.go
index 91aaee18aa..8ef7c3e6c5 100644
--- a/internal/datacoord/segment_manager_test.go
+++ b/internal/datacoord/segment_manager_test.go
@@ -302,6 +302,7 @@ func TestGetFlushableSegments(t *testing.T) {
 		assert.EqualValues(t, 1, len(ids))
 		assert.EqualValues(t, allocations[0].SegmentID, ids[0])
 
+		meta.SetCurrentRows(allocations[0].SegmentID, 1)
 		ids, err = segmentManager.GetFlushableSegments(context.TODO(), "c1", allocations[0].ExpireTime)
 		assert.Nil(t, err)
 		assert.EqualValues(t, 1, len(ids))
diff --git a/internal/datacoord/server.go b/internal/datacoord/server.go
index db82b4ddec..09eae3a2db 100644
--- a/internal/datacoord/server.go
+++ b/internal/datacoord/server.go
@@ -399,8 +399,7 @@ func (s *Server) initMeta() error {
 
 func (s *Server) startServerLoop() {
 	s.serverLoopCtx, s.serverLoopCancel = context.WithCancel(s.ctx)
-	s.serverLoopWg.Add(4)
-	s.startStatsChannel(s.serverLoopCtx)
+	s.serverLoopWg.Add(3)
 	s.startDataNodeTtLoop(s.serverLoopCtx)
 	s.startWatchService(s.serverLoopCtx)
 	s.startFlushLoop(s.serverLoopCtx)
@@ -415,44 +414,6 @@ func (s *Server) startServerLoop() {
 	})
 }
 
-func (s *Server) startStatsChannel(ctx context.Context) {
-	statsStream, _ := s.msFactory.NewMsgStream(ctx)
-	statsStream.AsConsumer([]string{Params.StatisticsChannelName}, Params.DataCoordSubscriptionName)
-	log.Debug("DataCoord creates statistics channel consumer",
-		zap.String("channel", Params.StatisticsChannelName),
-		zap.String("description", Params.DataCoordSubscriptionName))
-	statsStream.Start()
-	go func() {
-		defer logutil.LogPanic()
-		defer s.serverLoopWg.Done()
-		defer statsStream.Close()
-		for {
-			select {
-			case <-ctx.Done():
-				log.Debug("statistics channel shutdown")
-				return
-			default:
-			}
-			msgPack := statsStream.Consume()
-			if msgPack == nil {
-				log.Debug("receive nil stats msg, shutdown stats channel")
-				return
-			}
-			for _, msg := range msgPack.Msgs {
-				if msg.Type() != commonpb.MsgType_SegmentStatistics {
-					log.Warn("receive unknown msg from segment statistics channel",
-						zap.Stringer("msgType", msg.Type()))
-					continue
-				}
-				ssMsg := msg.(*msgstream.SegmentStatisticsMsg)
-				for _, stat := range ssMsg.SegStats {
-					s.meta.SetCurrentRows(stat.GetSegmentID(), stat.GetNumRows())
-				}
-			}
-		}
-	}()
-}
-
 // startDataNodeTtLoop start a goroutine to recv data node tt msg from msgstream
 // tt msg stands for the currently consumed timestamp for each channel
 func (s *Server) startDataNodeTtLoop(ctx context.Context) {
@@ -475,6 +436,7 @@ func (s *Server) startDataNodeTtLoop(ctx context.Context) {
 			checker.Start()
 			defer checker.Stop()
 		}
+
 		defer logutil.LogPanic()
 		defer s.serverLoopWg.Done()
 		defer ttMsgStream.Close()
@@ -491,75 +453,119 @@ func (s *Server) startDataNodeTtLoop(ctx context.Context) {
 				return
 			}
 			for _, msg := range msgPack.Msgs {
-				if msg.Type() != commonpb.MsgType_DataNodeTt {
-					log.Warn("receive unexpected msg type from tt channel",
-						zap.Stringer("msgType", msg.Type()))
+				ttMsg, ok := msg.(*msgstream.DataNodeTtMsg)
+				if !ok {
+					log.Warn("receive unexpected msg type from tt channel")
 					continue
 				}
-				ttMsg := msg.(*msgstream.DataNodeTtMsg)
 				if enableTtChecker {
 					checker.Check()
 				}
 
-				ch := ttMsg.ChannelName
-				ts := ttMsg.Timestamp
-				if err := s.segmentManager.ExpireAllocations(ch, ts); err != nil {
-					log.Warn("failed to expire allocations", zap.Error(err))
+				if err := s.handleTimetickMessage(ctx, ttMsg); err != nil {
+					log.Error("failed to handle timetick message", zap.Error(err))
 					continue
 				}
-				physical, _ := tsoutil.ParseTS(ts)
-				if time.Since(physical).Minutes() > 1 {
-					// if lag behind, log every 1 mins about
-					log.RatedWarn(60.0, "Time tick lag behind for more than 1 minutes", zap.String("channel", ch), zap.Time("tt", physical))
-				}
-				segments, err := s.segmentManager.GetFlushableSegments(ctx, ch, ts)
-				if err != nil {
-					log.Warn("get flushable segments failed", zap.Error(err))
-					continue
-				}
-
-				staleSegments := s.meta.SelectSegments(func(info *SegmentInfo) bool {
-					return isSegmentHealthy(info) &&
-						info.GetInsertChannel() == ch &&
-						!info.lastFlushTime.IsZero() &&
-						time.Since(info.lastFlushTime).Minutes() >= segmentTimedFlushDuration
-				})
-
-				if len(segments)+len(staleSegments) == 0 {
-					continue
-				}
-				log.Debug("flush segments", zap.Int64s("segmentIDs", segments), zap.Int("markSegments count", len(staleSegments)))
-				segmentInfos := make([]*datapb.SegmentInfo, 0, len(segments))
-				for _, id := range segments {
-					sInfo := s.meta.GetSegment(id)
-					if sInfo == nil {
-						log.Error("get segment from meta error", zap.Int64("id", id),
-							zap.Error(err))
-						continue
-					}
-					segmentInfos = append(segmentInfos, sInfo.SegmentInfo)
-					s.meta.SetLastFlushTime(id, time.Now())
-				}
-				markSegments := make([]*datapb.SegmentInfo, 0, len(staleSegments))
-				for _, segment := range staleSegments {
-					for _, fSeg := range segmentInfos {
-						// check segment needs flush first
-						if segment.GetID() == fSeg.GetID() {
-							continue
-						}
-					}
-					markSegments = append(markSegments, segment.SegmentInfo)
-					s.meta.SetLastFlushTime(segment.GetID(), time.Now())
-				}
-				if len(segmentInfos)+len(markSegments) > 0 {
-					s.cluster.Flush(s.ctx, segmentInfos, markSegments)
-				}
 			}
 			s.helper.eventAfterHandleDataNodeTt()
 		}
 	}()
 }
 
+func (s *Server) handleTimetickMessage(ctx context.Context, ttMsg *msgstream.DataNodeTtMsg) error {
+	ch := ttMsg.GetChannelName()
+	ts := ttMsg.GetTimestamp()
+	physical, _ := tsoutil.ParseTS(ts)
+	if time.Since(physical).Minutes() > 1 {
+		// if lag behind, log every 1 mins about
+		log.RatedWarn(60.0, "time tick lag behind for more than 1 minutes", zap.String("channel", ch), zap.Time("timetick", physical))
+	}
+
+	s.updateSegmentStatistics(ttMsg.GetSegmentsStats())
+
+	if err := s.segmentManager.ExpireAllocations(ch, ts); err != nil {
+		return fmt.Errorf("expire allocations: %w", err)
+	}
+
+	flushableIDs, err := s.segmentManager.GetFlushableSegments(ctx, ch, ts)
+	if err != nil {
+		return fmt.Errorf("get flushable segments: %w", err)
+	}
+	flushableSegments := s.getFlushableSegmentsInfo(flushableIDs)
+
+	staleSegments := s.getStaleSegmentsInfo(ch)
+	staleSegments = s.filterWithFlushableSegments(staleSegments, flushableIDs)
+
+	if len(flushableSegments)+len(staleSegments) == 0 {
+		return nil
+	}
+
+	log.Debug("flush segments", zap.Int64s("segmentIDs", flushableIDs), zap.Int("markSegments count", len(staleSegments)))
+
+	s.setLastFlushTime(flushableSegments)
+	s.setLastFlushTime(staleSegments)
+
+	finfo, minfo := make([]*datapb.SegmentInfo, 0, len(flushableSegments)), make([]*datapb.SegmentInfo, 0, len(staleSegments))
+	for _, info := range flushableSegments {
+		finfo = append(finfo, info.SegmentInfo)
+	}
+	for _, info := range staleSegments {
+		minfo = append(minfo, info.SegmentInfo)
+	}
+	s.cluster.Flush(s.ctx, finfo, minfo)
+	return nil
+}
+
+func (s *Server) updateSegmentStatistics(stats []*datapb.SegmentStats) {
+	for _, stat := range stats {
+		s.meta.SetCurrentRows(stat.GetSegmentID(), stat.GetNumRows())
+	}
+}
+
+func (s *Server) getFlushableSegmentsInfo(flushableIDs []int64) []*SegmentInfo {
+	res := make([]*SegmentInfo, 0, len(flushableIDs))
+	for _, id := range flushableIDs {
+		sinfo := s.meta.GetSegment(id)
+		if sinfo == nil {
+			log.Error("get segment from meta error", zap.Int64("id", id))
+			continue
+		}
+		res = append(res, sinfo)
+	}
+	return res
+}
+
+func (s *Server) getStaleSegmentsInfo(ch string) []*SegmentInfo {
+	return s.meta.SelectSegments(func(info *SegmentInfo) bool {
+		return isSegmentHealthy(info) &&
+			info.GetInsertChannel() == ch &&
+			!info.lastFlushTime.IsZero() &&
+			time.Since(info.lastFlushTime).Minutes() >= segmentTimedFlushDuration
+	})
+}
+
+func (s *Server) filterWithFlushableSegments(staleSegments []*SegmentInfo, flushableIDs []int64) []*SegmentInfo {
+	filter := map[int64]struct{}{}
+	for _, sid := range flushableIDs {
+		filter[sid] = struct{}{}
+	}
+
+	res := make([]*SegmentInfo, 0, len(staleSegments))
+	for _, sinfo := range staleSegments {
+		if _, ok := filter[sinfo.GetID()]; ok {
+			continue
+		}
+		res = append(res, sinfo)
+	}
+	return res
+}
+
+func (s *Server) setLastFlushTime(segments []*SegmentInfo) {
+	for _, sinfo := range segments {
+		s.meta.SetLastFlushTime(sinfo.GetID(), time.Now())
+	}
+}
+
 // start a goroutine wto watch services
 func (s *Server) startWatchService(ctx context.Context) {
 	go s.watchService(ctx)
diff --git a/internal/datacoord/server_test.go b/internal/datacoord/server_test.go
index 6f013643ed..334c1b6034 100644
--- a/internal/datacoord/server_test.go
+++ b/internal/datacoord/server_test.go
@@ -194,6 +194,8 @@ func TestFlush(t *testing.T) {
 		resp, err := svr.Flush(context.TODO(), req)
 		assert.Nil(t, err)
 		assert.EqualValues(t, commonpb.ErrorCode_Success, resp.Status.ErrorCode)
+
+		svr.meta.SetCurrentRows(segID, 1)
 		ids, err := svr.segmentManager.GetFlushableSegments(context.TODO(), "channel-1", expireTs)
 		assert.Nil(t, err)
 		assert.EqualValues(t, 1, len(ids))
@@ -250,15 +252,6 @@ func TestGetTimeTickChannel(t *testing.T) {
 	assert.EqualValues(t, Params.TimeTickChannelName, resp.Value)
 }
 
-func TestGetStatisticsChannel(t *testing.T) {
-	svr := newTestServer(t, nil)
-	defer closeTestServer(t, svr)
-	resp, err := svr.GetStatisticsChannel(context.TODO())
-	assert.Nil(t, err)
-	assert.EqualValues(t, commonpb.ErrorCode_Success, resp.Status.ErrorCode)
-	assert.EqualValues(t, Params.StatisticsChannelName, resp.Value)
-}
-
 func TestGetSegmentStates(t *testing.T) {
 	t.Run("normal cases", func(t *testing.T) {
 		svr := newTestServer(t, nil)
@@ -720,55 +713,6 @@ func TestServer_getSystemInfoMetrics(t *testing.T) {
 	}
 }
 
-func TestChannel(t *testing.T) {
-	svr := newTestServer(t, nil)
-	defer closeTestServer(t, svr)
-
-	t.Run("Test StatsChannel", func(t *testing.T) {
-		const segID = 0
-		const rowNum = int64(100)
-
-		segInfo := &datapb.SegmentInfo{
-			ID: segID,
-		}
-		err := svr.meta.AddSegment(NewSegmentInfo(segInfo))
-		assert.Nil(t, err)
-
-		stats := &internalpb.SegmentStatisticsUpdates{
-			SegmentID: segID,
-			NumRows:   rowNum,
-		}
-		genMsg := func(msgType commonpb.MsgType, t Timestamp) *msgstream.SegmentStatisticsMsg {
-			return &msgstream.SegmentStatisticsMsg{
-				BaseMsg: msgstream.BaseMsg{
-					HashValues: []uint32{0},
-				},
-				SegmentStatistics: internalpb.SegmentStatistics{
-					Base: &commonpb.MsgBase{
-						MsgType:   msgType,
-						MsgID:     0,
-						Timestamp: t,
-						SourceID:  0,
-					},
-					SegStats: []*internalpb.SegmentStatisticsUpdates{stats},
-				},
-			}
-		}
-
-		statsStream, _ := svr.msFactory.NewMsgStream(svr.ctx)
-		statsStream.AsProducer([]string{Params.StatisticsChannelName})
-		statsStream.Start()
-		defer statsStream.Close()
-
-		msgPack := msgstream.MsgPack{}
-		msgPack.Msgs = append(msgPack.Msgs, genMsg(commonpb.MsgType_SegmentStatistics, 123))
-		msgPack.Msgs = append(msgPack.Msgs, genMsg(commonpb.MsgType_SegmentInfo, 234))
-		msgPack.Msgs = append(msgPack.Msgs, genMsg(commonpb.MsgType_SegmentStatistics, 345))
-		err = statsStream.Produce(&msgPack)
-		assert.Nil(t, err)
-	})
-}
-
 type spySegmentManager struct {
 	spyCh chan struct{}
 }
@@ -1143,6 +1087,10 @@ func TestDataNodeTtChannel(t *testing.T) {
 
 		msgPack := msgstream.MsgPack{}
 		msg := genMsg(commonpb.MsgType_DataNodeTt, "ch-1", assign.ExpireTime)
+		msg.SegmentsStats = append(msg.SegmentsStats, &datapb.SegmentStats{
+			SegmentID: assign.GetSegID(),
+			NumRows:   1,
+		})
 		msgPack.Msgs = append(msgPack.Msgs, msg)
 		err = ttMsgStream.Produce(&msgPack)
 		assert.Nil(t, err)
@@ -1217,6 +1165,10 @@ func TestDataNodeTtChannel(t *testing.T) {
 
 		msgPack := msgstream.MsgPack{}
 		msg := genMsg(commonpb.MsgType_DataNodeTt, "ch-1", assign.ExpireTime)
+		msg.SegmentsStats = append(msg.SegmentsStats, &datapb.SegmentStats{
+			SegmentID: assign.GetSegID(),
+			NumRows:   1,
+		})
 		msgPack.Msgs = append(msgPack.Msgs, msg)
 		err = ttMsgStream.Produce(&msgPack)
 		assert.Nil(t, err)
@@ -2250,7 +2202,6 @@ func TestGetFlushState(t *testing.T) {
 func newTestServer(t *testing.T, receiveCh chan interface{}, opts ...Option) *Server {
 	Params.Init()
 	Params.TimeTickChannelName = Params.TimeTickChannelName + strconv.Itoa(rand.Int())
-	Params.StatisticsChannelName = Params.StatisticsChannelName + strconv.Itoa(rand.Int())
 	var err error
 	factory := msgstream.NewPmsFactory()
 	m := map[string]interface{}{
diff --git a/internal/datacoord/services.go b/internal/datacoord/services.go
index ff7cd05320..10c972f2e0 100644
--- a/internal/datacoord/services.go
+++ b/internal/datacoord/services.go
@@ -55,9 +55,9 @@ func (s *Server) GetTimeTickChannel(ctx context.Context) (*milvuspb.StringRespon
 func (s *Server) GetStatisticsChannel(ctx context.Context) (*milvuspb.StringResponse, error) {
 	return &milvuspb.StringResponse{
 		Status: &commonpb.Status{
-			ErrorCode: commonpb.ErrorCode_Success,
+			ErrorCode: commonpb.ErrorCode_UnexpectedError,
+			Reason:    "no statistics channel",
 		},
-		Value: Params.StatisticsChannelName,
 	}, nil
 }
 
diff --git a/internal/datanode/data_node.go b/internal/datanode/data_node.go
index 1eea5f983a..0e607f8142 100644
--- a/internal/datanode/data_node.go
+++ b/internal/datanode/data_node.go
@@ -204,7 +204,6 @@ func (node *DataNode) Register() error {
 // Init function does nothing now.
 func (node *DataNode) Init() error {
 	log.Debug("DataNode Init",
-		zap.String("SegmentStatisticsChannelName", Params.SegmentStatisticsChannelName),
 		zap.String("TimeTickChannelName", Params.TimeTickChannelName),
 	)
 
diff --git a/internal/datanode/data_node_test.go b/internal/datanode/data_node_test.go
index 1976c47ba7..7ae32a9f51 100644
--- a/internal/datanode/data_node_test.go
+++ b/internal/datanode/data_node_test.go
@@ -55,7 +55,6 @@ func TestMain(t *testing.M) {
 	Params.Init()
 	// change to specific channel for test
 	Params.TimeTickChannelName = Params.TimeTickChannelName + strconv.Itoa(rand.Int())
-	Params.SegmentStatisticsChannelName = Params.SegmentStatisticsChannelName + strconv.Itoa(rand.Int())
 	code := t.Run()
 	os.Exit(code)
 }
diff --git a/internal/datanode/flow_graph_insert_buffer_node.go b/internal/datanode/flow_graph_insert_buffer_node.go
index 6df4a5a971..80c6100ba9 100644
--- a/internal/datanode/flow_graph_insert_buffer_node.go
+++ b/internal/datanode/flow_graph_insert_buffer_node.go
@@ -63,10 +63,9 @@ type insertBufferNode struct {
 	flushingSegCache *Cache
 	flushManager     flushManager
 
-	timeTickStream          msgstream.MsgStream
-	segmentStatisticsStream msgstream.MsgStream
-	ttLogger                timeTickLogger
-	ttMerger                *mergedTimeTickerSender
+	timeTickStream msgstream.MsgStream
+	ttLogger       timeTickLogger
+	ttMerger       *mergedTimeTickerSender
 }
 
 type timeTickLogger struct {
@@ -158,10 +157,6 @@ func (ibNode *insertBufferNode) Close() {
 	if ibNode.timeTickStream != nil {
 		ibNode.timeTickStream.Close()
 	}
-
-	if ibNode.segmentStatisticsStream != nil {
-		ibNode.segmentStatisticsStream.Close()
-	}
 }
 
 func (ibNode *insertBufferNode) Operate(in []Msg) []Msg {
@@ -211,14 +206,6 @@ func (ibNode *insertBufferNode) Operate(in []Msg) []Msg {
 		return []Msg{}
 	}
 
-	if len(seg2Upload) > 0 {
-		log.Debug("flowgraph insert buffer node consumed msgs with end position", zap.String("channel", ibNode.channelName), zap.Any("end position", endPositions[0]))
-		err := ibNode.uploadMemStates2Coord(seg2Upload)
-		if err != nil {
-			log.Error("upload segment statistics to coord error", zap.Error(err))
-		}
-	}
-
 	// insert messages -> buffer
 	for _, msg := range fgMsg.insertMessages {
 		err := ibNode.bufferInsertMsg(msg, endPositions[0])
@@ -357,7 +344,7 @@ func (ibNode *insertBufferNode) Operate(in []Msg) []Msg {
 		}
 	}
 
-	if err := ibNode.writeHardTimeTick(fgMsg.timeRange.timestampMax); err != nil {
+	if err := ibNode.writeHardTimeTick(fgMsg.timeRange.timestampMax, seg2Upload); err != nil {
 		log.Error("send hard time tick into pulsar channel failed", zap.Error(err))
 	}
 
@@ -709,58 +696,11 @@ func readBinary(reader io.Reader, receiver interface{}, dataType schemapb.DataTy
 }
 
 // writeHardTimeTick writes timetick once insertBufferNode operates.
-func (ibNode *insertBufferNode) writeHardTimeTick(ts Timestamp) error {
+func (ibNode *insertBufferNode) writeHardTimeTick(ts Timestamp, segmentIDs []int64) error {
 	ibNode.ttLogger.LogTs(ts)
-	ibNode.ttMerger.bufferTs(ts)
+	ibNode.ttMerger.bufferTs(ts, segmentIDs)
 	return nil
 }
-
-// uploadMemStates2Coord uploads latest changed segments statistics in DataNode memory to DataCoord
-//  through a msgStream channel.
-//
-// Currently, the statistics includes segment ID and its total number of rows in memory.
-func (ibNode *insertBufferNode) uploadMemStates2Coord(segIDs []UniqueID) error {
-	statsUpdates := make([]*internalpb.SegmentStatisticsUpdates, 0, len(segIDs))
-	for _, segID := range segIDs {
-		updates, err := ibNode.replica.getSegmentStatisticsUpdates(segID)
-		if err != nil {
-			log.Error("get segment statistics updates wrong", zap.Int64("segmentID", segID), zap.Error(err))
-			continue
-		}
-
-		log.Debug("Segment Statistics to Update",
-			zap.Int64("segment ID", updates.GetSegmentID()),
-			zap.Int64("collection ID", ibNode.replica.getCollectionID()),
-			zap.String("vchannel name", ibNode.channelName),
-			zap.Int64("numOfRows", updates.GetNumRows()),
-		)
-
-		statsUpdates = append(statsUpdates, updates)
-	}
-
-	segStats := internalpb.SegmentStatistics{
-		Base: &commonpb.MsgBase{
-			MsgType:   commonpb.MsgType_SegmentStatistics,
-			MsgID:     UniqueID(0),  // GOOSE TODO
-			Timestamp: Timestamp(0), // GOOSE TODO
-			SourceID:  Params.NodeID,
-		},
-		SegStats: statsUpdates,
-	}
-
-	var msg msgstream.TsMsg = &msgstream.SegmentStatisticsMsg{
-		BaseMsg: msgstream.BaseMsg{
-			HashValues: []uint32{0}, // GOOSE TODO
-		},
-		SegmentStatistics: segStats,
-	}
-
-	var msgPack = msgstream.MsgPack{
-		Msgs: []msgstream.TsMsg{msg},
-	}
-	return ibNode.segmentStatisticsStream.Produce(&msgPack)
-}
-
 func (ibNode *insertBufferNode) getCollectionandPartitionIDbySegID(segmentID UniqueID) (collID, partitionID UniqueID, err error) {
 	return ibNode.replica.getCollectionAndPartitionID(segmentID)
 }
@@ -782,17 +722,16 @@ func newInsertBufferNode(ctx context.Context, flushCh <-chan flushMsg, fm flushM
 	var wTtMsgStream msgstream.MsgStream = wTt
 	wTtMsgStream.Start()
 
-	// update statistics channel
-	segS, err := config.msFactory.NewMsgStream(ctx)
-	if err != nil {
-		return nil, err
-	}
-	segS.AsProducer([]string{Params.SegmentStatisticsChannelName})
-	log.Debug("datanode AsProducer", zap.String("SegmentStatisChannelName", Params.SegmentStatisticsChannelName))
-	var segStatisticsMsgStream msgstream.MsgStream = segS
-	segStatisticsMsgStream.Start()
-
-	mt := newMergedTimeTickerSender(func(ts Timestamp) error {
+	mt := newMergedTimeTickerSender(func(ts Timestamp, segmentIDs []int64) error {
+		stats := make([]*datapb.SegmentStats, 0, len(segmentIDs))
+		for _, sid := range segmentIDs {
+			stat, err := config.replica.getSegmentStatisticsUpdates(sid)
+			if err != nil {
+				log.Warn("failed to get segment statistics info", zap.Int64("segmentID", sid), zap.Error(err))
+				continue
+			}
+			stats = append(stats, stat)
+		}
 		msgPack := msgstream.MsgPack{}
 		timeTickMsg := msgstream.DataNodeTtMsg{
 			BaseMsg: msgstream.BaseMsg{
@@ -806,8 +745,9 @@ func newInsertBufferNode(ctx context.Context, flushCh <-chan flushMsg, fm flushM
 					MsgID:     0,
 					Timestamp: ts,
 				},
-				ChannelName: config.vChannelName,
-				Timestamp:   ts,
+				ChannelName:   config.vChannelName,
+				Timestamp:     ts,
+				SegmentsStats: stats,
 			},
 		}
 		msgPack.Msgs = append(msgPack.Msgs, &timeTickMsg)
@@ -818,9 +758,7 @@ func newInsertBufferNode(ctx context.Context, flushCh <-chan flushMsg, fm flushM
 		BaseNode:     baseNode,
 		insertBuffer: sync.Map{},
 
-		timeTickStream:          wTtMsgStream,
-		segmentStatisticsStream: segStatisticsMsgStream,
-
+		timeTickStream:   wTtMsgStream,
 		flushMap:         sync.Map{},
 		flushChan:        flushCh,
 		flushingSegCache: flushingSegCache,
diff --git a/internal/datanode/flow_graph_insert_buffer_node_test.go b/internal/datanode/flow_graph_insert_buffer_node_test.go
index 1d5db5d774..5093951d6b 100644
--- a/internal/datanode/flow_graph_insert_buffer_node_test.go
+++ b/internal/datanode/flow_graph_insert_buffer_node_test.go
@@ -110,13 +110,6 @@ func TestFlowGraphInsertBufferNodeCreate(t *testing.T) {
 
 	_, err = newInsertBufferNode(ctx, flushChan, fm, newCache(), c)
 	assert.Error(t, err)
-
-	c.msFactory = &CDFMsFactory{
-		Factory: msFactory,
-		cd:      1,
-	}
-	_, err = newInsertBufferNode(ctx, flushChan, fm, newCache(), c)
-	assert.Error(t, err)
 }
 
 type mockMsg struct{}
@@ -142,7 +135,7 @@ func TestFlowGraphInsertBufferNode_Operate(t *testing.T) {
 		for _, test := range invalidInTests {
 			te.Run(test.description, func(t0 *testing.T) {
 				ibn := &insertBufferNode{
-					ttMerger: newMergedTimeTickerSender(func(Timestamp) error { return nil }),
+					ttMerger: newMergedTimeTickerSender(func(Timestamp, []int64) error { return nil }),
 				}
 				rt := ibn.Operate(test.in)
 				assert.Empty(t0, rt)
diff --git a/internal/datanode/flow_graph_time_ticker.go b/internal/datanode/flow_graph_time_ticker.go
index bf9c629676..3de47a45fe 100644
--- a/internal/datanode/flow_graph_time_ticker.go
+++ b/internal/datanode/flow_graph_time_ticker.go
@@ -19,22 +19,22 @@ package datanode
 import (
 	"sync"
 	"time"
-
-	"go.uber.org/atomic"
 )
 
-type sendTimeTick func(Timestamp) error
+type sendTimeTick func(Timestamp, []int64) error
 
 // mergedTimeTickerSender reduces time ticker sending rate when datanode is doing `fast-forwarding`
 // it makes sure time ticker send at most 10 times a second (1tick/100millisecond)
 // and the last time tick is always sent
 type mergedTimeTickerSender struct {
-	ts   atomic.Uint64 // current ts value
-	cond *sync.Cond    // condition to send timeticker
-	send sendTimeTick  // actual sender logic
+	ts         uint64
+	segmentIDs map[int64]struct{}
+	lastSent   time.Time
+	mu         sync.Mutex
+
+	cond *sync.Cond   // condition to send timeticker
+	send sendTimeTick // actual sender logic
 
-	lastSent  time.Time
-	lastMut   sync.RWMutex
 	wg        sync.WaitGroup
 	closeCh   chan struct{}
 	closeOnce sync.Once
@@ -42,12 +42,12 @@ type mergedTimeTickerSender struct {
 
 func newMergedTimeTickerSender(send sendTimeTick) *mergedTimeTickerSender {
 	mt := &mergedTimeTickerSender{
-		cond:    sync.NewCond(&sync.Mutex{}),
-		send:    send,
-		closeCh: make(chan struct{}),
+		ts:         0, // 0 for not tt send
+		segmentIDs: make(map[int64]struct{}),
+		cond:       sync.NewCond(&sync.Mutex{}),
+		send:       send,
+		closeCh:    make(chan struct{}),
 	}
-	mt.ts.Store(0) // 0 for not tt send
-
 	mt.wg.Add(2)
 	go mt.tick()
 	go mt.work()
@@ -55,10 +55,13 @@ func newMergedTimeTickerSender(send sendTimeTick) *mergedTimeTickerSender {
 	return mt
 }
 
-func (mt *mergedTimeTickerSender) bufferTs(ts Timestamp) {
-	mt.ts.Store(ts)
-	mt.lastMut.RLock()
-	defer mt.lastMut.RUnlock()
+func (mt *mergedTimeTickerSender) bufferTs(ts Timestamp, segmentIDs []int64) {
+	mt.mu.Lock()
+	defer mt.mu.Unlock()
+	mt.ts = ts
+	for _, sid := range segmentIDs {
+		mt.segmentIDs[sid] = struct{}{}
+	}
 
 	if !mt.lastSent.IsZero() && time.Since(mt.lastSent) > time.Millisecond*100 {
 		mt.cond.L.Lock()
@@ -94,7 +97,7 @@ func (mt *mergedTimeTickerSender) isClosed() bool {
 
 func (mt *mergedTimeTickerSender) work() {
 	defer mt.wg.Done()
-	ts, lastTs := uint64(0), uint64(0)
+	lastTs := uint64(0)
 	for {
 		mt.cond.L.Lock()
 		if mt.isClosed() {
@@ -102,15 +105,21 @@ func (mt *mergedTimeTickerSender) work() {
 			return
 		}
 		mt.cond.Wait()
-		ts = mt.ts.Load()
 		mt.cond.L.Unlock()
-		if ts != lastTs {
-			mt.send(ts)
-			lastTs = ts
-			mt.lastMut.Lock()
+
+		mt.mu.Lock()
+		if mt.ts != lastTs {
+			var sids []int64
+			for sid := range mt.segmentIDs {
+				sids = append(sids, sid)
+			}
+			mt.segmentIDs = make(map[int64]struct{})
+			lastTs = mt.ts
 			mt.lastSent = time.Now()
-			mt.lastMut.Unlock()
+
+			mt.send(mt.ts, sids)
 		}
+		mt.mu.Unlock()
 	}
 }
 
diff --git a/internal/datanode/flow_graph_time_ticker_test.go b/internal/datanode/flow_graph_time_ticker_test.go
index 07bdf82a28..4c1b9d27e5 100644
--- a/internal/datanode/flow_graph_time_ticker_test.go
+++ b/internal/datanode/flow_graph_time_ticker_test.go
@@ -12,7 +12,7 @@ func TestMergedTimeTicker(t *testing.T) {
 	var ticks []uint64
 	var mut sync.Mutex
 
-	mt := newMergedTimeTickerSender(func(ts Timestamp) error {
+	mt := newMergedTimeTickerSender(func(ts Timestamp, _ []int64) error {
 		mut.Lock()
 		defer mut.Unlock()
 		ticks = append(ticks, ts)
@@ -21,7 +21,7 @@ func TestMergedTimeTicker(t *testing.T) {
 
 	for i := 1; i < 100; i++ {
 		time.Sleep(time.Millisecond * 10)
-		mt.bufferTs(uint64(i))
+		mt.bufferTs(uint64(i), nil)
 	}
 	mt.close()
 	mut.Lock()
@@ -35,7 +35,7 @@ func TestMergedTimeTicker_close10000(t *testing.T) {
 	batchSize := 10000
 	wg.Add(batchSize)
 	for i := 0; i < batchSize; i++ {
-		mt := newMergedTimeTickerSender(func(ts Timestamp) error {
+		mt := newMergedTimeTickerSender(func(ts Timestamp, _ []int64) error {
 			return nil
 		})
 		go func(mt *mergedTimeTickerSender) {
diff --git a/internal/datanode/param_table.go b/internal/datanode/param_table.go
index 575239822b..a93a482d86 100644
--- a/internal/datanode/param_table.go
+++ b/internal/datanode/param_table.go
@@ -59,9 +59,6 @@ type ParamTable struct {
 	// Cluster channels
 	ClusterChannelPrefix string
 
-	// Segment statistics channel
-	SegmentStatisticsChannelName string
-
 	// Timetick channel
 	TimeTickChannelName string
 
@@ -116,7 +113,6 @@ func (p *ParamTable) Init() {
 
 	// Must init global msgchannel prefix before other channel names
 	p.initClusterMsgChannelPrefix()
-	p.initSegmentStatisticsChannelName()
 	p.initTimeTickChannelName()
 
 	p.initEtcdEndpoints()
@@ -196,15 +192,6 @@ func (p *ParamTable) initClusterMsgChannelPrefix() {
 	p.ClusterChannelPrefix = name
 }
 
-func (p *ParamTable) initSegmentStatisticsChannelName() {
-	config, err := p.Load("msgChannel.chanNamePrefix.dataCoordStatistic")
-	if err != nil {
-		panic(err)
-	}
-	s := []string{p.ClusterChannelPrefix, config}
-	p.SegmentStatisticsChannelName = strings.Join(s, "-")
-}
-
 func (p *ParamTable) initTimeTickChannelName() {
 	config, err := p.Load("msgChannel.chanNamePrefix.dataCoordTimeTick")
 	if err != nil {
diff --git a/internal/datanode/param_table_test.go b/internal/datanode/param_table_test.go
index fd092b9c75..b09635ec0c 100644
--- a/internal/datanode/param_table_test.go
+++ b/internal/datanode/param_table_test.go
@@ -71,12 +71,6 @@ func TestParamTable(t *testing.T) {
 		log.Println("ClusterChannelPrefix:", Params.ClusterChannelPrefix)
 	})
 
-	t.Run("Test SegmentStatisticsChannelName", func(t *testing.T) {
-		path := Params.SegmentStatisticsChannelName
-		assert.Equal(t, path, "by-dev-datacoord-statistics-channel")
-		log.Println("SegmentStatisticsChannelName:", path)
-	})
-
 	t.Run("Test TimeTickChannelName", func(t *testing.T) {
 		name := Params.TimeTickChannelName
 		assert.Equal(t, name, "by-dev-datacoord-timetick-channel")
diff --git a/internal/datanode/segment_replica.go b/internal/datanode/segment_replica.go
index 34dbdd974a..bd2e6bcefb 100644
--- a/internal/datanode/segment_replica.go
+++ b/internal/datanode/segment_replica.go
@@ -67,7 +67,7 @@ type Replica interface {
 
 	updateStatistics(segID UniqueID, numRows int64)
 	refreshFlushedSegStatistics(segID UniqueID, numRows int64)
-	getSegmentStatisticsUpdates(segID UniqueID) (*internalpb.SegmentStatisticsUpdates, error)
+	getSegmentStatisticsUpdates(segID UniqueID) (*datapb.SegmentStats, error)
 	segmentFlushed(segID UniqueID)
 }
 
@@ -580,12 +580,10 @@ func (replica *SegmentReplica) updateStatistics(segID UniqueID, numRows int64) {
 }
 
 // getSegmentStatisticsUpdates gives current segment's statistics updates.
-func (replica *SegmentReplica) getSegmentStatisticsUpdates(segID UniqueID) (*internalpb.SegmentStatisticsUpdates, error) {
+func (replica *SegmentReplica) getSegmentStatisticsUpdates(segID UniqueID) (*datapb.SegmentStats, error) {
 	replica.segMu.Lock()
 	defer replica.segMu.Unlock()
-	updates := &internalpb.SegmentStatisticsUpdates{
-		SegmentID: segID,
-	}
+	updates := &datapb.SegmentStats{SegmentID: segID}
 
 	if seg, ok := replica.newSegments[segID]; ok {
 		updates.NumRows = seg.numRows
diff --git a/internal/msgstream/msg.go b/internal/msgstream/msg.go
index 243730c157..4894a7f057 100644
--- a/internal/msgstream/msg.go
+++ b/internal/msgstream/msg.go
@@ -609,69 +609,6 @@ func (qs *QueryNodeStatsMsg) Unmarshal(input MarshalType) (TsMsg, error) {
 	return queryNodeSegStatsMsg, nil
 }
 
-/////////////////////////////////////////SegmentStatisticsMsg//////////////////////////////////////////
-
-// SegmentStatisticsMsg is a message pack that contains segment statistic
-type SegmentStatisticsMsg struct {
-	BaseMsg
-	internalpb.SegmentStatistics
-}
-
-// interface implementation validation
-var _ TsMsg = &SegmentStatisticsMsg{}
-
-// TraceCtx returns the context of opentracing
-func (ss *SegmentStatisticsMsg) TraceCtx() context.Context {
-	return ss.BaseMsg.Ctx
-}
-
-// SetTraceCtx is used to set context for opentracing
-func (ss *SegmentStatisticsMsg) SetTraceCtx(ctx context.Context) {
-	ss.BaseMsg.Ctx = ctx
-}
-
-// ID returns the ID of this message pack
-func (ss *SegmentStatisticsMsg) ID() UniqueID {
-	return ss.Base.MsgID
-}
-
-// Type returns the type of this message pack
-func (ss *SegmentStatisticsMsg) Type() MsgType {
-	return ss.Base.MsgType
-}
-
-// SourceID indicated which component generated this message
-func (ss *SegmentStatisticsMsg) SourceID() int64 {
-	return ss.Base.SourceID
-}
-
-// Marshal is used to serializing a message pack to byte array
-func (ss *SegmentStatisticsMsg) Marshal(input TsMsg) (MarshalType, error) {
-	segStatsTask := input.(*SegmentStatisticsMsg)
-	segStats := &segStatsTask.SegmentStatistics
-	mb, err := proto.Marshal(segStats)
-	if err != nil {
-		return nil, err
-	}
-	return mb, nil
-}
-
-// Unmarshal is used to deserializing a message pack from byte array
-func (ss *SegmentStatisticsMsg) Unmarshal(input MarshalType) (TsMsg, error) {
-	segStats := internalpb.SegmentStatistics{}
-	in, err := convertToByteArray(input)
-	if err != nil {
-		return nil, err
-	}
-	err = proto.Unmarshal(in, &segStats)
-	if err != nil {
-		return nil, err
-	}
-	segStatsMsg := &SegmentStatisticsMsg{SegmentStatistics: segStats}
-
-	return segStatsMsg, nil
-}
-
 /////////////////////////////////////////CreateCollection//////////////////////////////////////////
 
 // CreateCollectionMsg is a message pack that contains create collection request
diff --git a/internal/msgstream/msg_test.go b/internal/msgstream/msg_test.go
index a2189cafc6..8b7ff266a8 100644
--- a/internal/msgstream/msg_test.go
+++ b/internal/msgstream/msg_test.go
@@ -510,50 +510,6 @@ func TestQueryNodeStatsMsg_Unmarshal_IllegalParameter(t *testing.T) {
 	assert.Nil(t, tsMsg)
 }
 
-func TestSegmentStatisticsMsg(t *testing.T) {
-	segmentStatisticsMsg := &SegmentStatisticsMsg{
-		BaseMsg: generateBaseMsg(),
-		SegmentStatistics: internalpb.SegmentStatistics{
-			Base: &commonpb.MsgBase{
-				MsgType:   commonpb.MsgType_SegmentStatistics,
-				MsgID:     1,
-				Timestamp: 2,
-				SourceID:  3,
-			},
-			SegStats: []*internalpb.SegmentStatisticsUpdates{},
-		},
-	}
-
-	assert.NotNil(t, segmentStatisticsMsg.TraceCtx())
-
-	ctx := context.Background()
-	segmentStatisticsMsg.SetTraceCtx(ctx)
-	assert.Equal(t, ctx, segmentStatisticsMsg.TraceCtx())
-
-	assert.Equal(t, int64(1), segmentStatisticsMsg.ID())
-	assert.Equal(t, commonpb.MsgType_SegmentStatistics, segmentStatisticsMsg.Type())
-	assert.Equal(t, int64(3), segmentStatisticsMsg.SourceID())
-
-	bytes, err := segmentStatisticsMsg.Marshal(segmentStatisticsMsg)
-	assert.Nil(t, err)
-
-	tsMsg, err := segmentStatisticsMsg.Unmarshal(bytes)
-	assert.Nil(t, err)
-
-	segmentStatisticsMsg2, ok := tsMsg.(*SegmentStatisticsMsg)
-	assert.True(t, ok)
-	assert.Equal(t, int64(1), segmentStatisticsMsg2.ID())
-	assert.Equal(t, commonpb.MsgType_SegmentStatistics, segmentStatisticsMsg2.Type())
-	assert.Equal(t, int64(3), segmentStatisticsMsg2.SourceID())
-}
-
-func TestSegmentStatisticsMsg_Unmarshal_IllegalParameter(t *testing.T) {
-	segmentStatisticsMsg := &SegmentStatisticsMsg{}
-	tsMsg, err := segmentStatisticsMsg.Unmarshal(10)
-	assert.NotNil(t, err)
-	assert.Nil(t, tsMsg)
-}
-
 func TestCreateCollectionMsg(t *testing.T) {
 	createCollectionMsg := &CreateCollectionMsg{
 		BaseMsg: generateBaseMsg(),
diff --git a/internal/msgstream/unmarshal.go b/internal/msgstream/unmarshal.go
index 5d179f039c..6789be535a 100644
--- a/internal/msgstream/unmarshal.go
+++ b/internal/msgstream/unmarshal.go
@@ -66,7 +66,6 @@ func (pudf *ProtoUDFactory) NewUnmarshalDispatcher() *ProtoUnmarshalDispatcher {
 	createPartitionMsg := CreatePartitionMsg{}
 	dropPartitionMsg := DropPartitionMsg{}
 	queryNodeSegStatsMsg := QueryNodeStatsMsg{}
-	segmentStatisticsMsg := SegmentStatisticsMsg{}
 	dataNodeTtMsg := DataNodeTtMsg{}
 	sealedSegmentsChangeInfoMsg := SealedSegmentsChangeInfoMsg{}
 
@@ -84,7 +83,6 @@ func (pudf *ProtoUDFactory) NewUnmarshalDispatcher() *ProtoUnmarshalDispatcher {
 	p.TempMap[commonpb.MsgType_DropCollection] = dropCollectionMsg.Unmarshal
 	p.TempMap[commonpb.MsgType_CreatePartition] = createPartitionMsg.Unmarshal
 	p.TempMap[commonpb.MsgType_DropPartition] = dropPartitionMsg.Unmarshal
-	p.TempMap[commonpb.MsgType_SegmentStatistics] = segmentStatisticsMsg.Unmarshal
 	p.TempMap[commonpb.MsgType_DataNodeTt] = dataNodeTtMsg.Unmarshal
 	p.TempMap[commonpb.MsgType_SealedSegmentsChangeInfo] = sealedSegmentsChangeInfoMsg.Unmarshal
 
diff --git a/internal/proto/data_coord.proto b/internal/proto/data_coord.proto
index 4c5e4b9f97..ee9759287d 100644
--- a/internal/proto/data_coord.proto
+++ b/internal/proto/data_coord.proto
@@ -253,6 +253,12 @@ message DataNodeTtMsg {
     common.MsgBase base =1;
     string channel_name = 2;
     uint64 timestamp = 3;
+    repeated SegmentStats segments_stats = 4;
+}
+
+message SegmentStats {
+  int64 SegmentID = 1;
+  int64 NumRows = 2;
 }
 
 enum ChannelWatchState {
diff --git a/internal/proto/datapb/data_coord.pb.go b/internal/proto/datapb/data_coord.pb.go
index 19768039bd..1c9f5120e8 100644
--- a/internal/proto/datapb/data_coord.pb.go
+++ b/internal/proto/datapb/data_coord.pb.go
@@ -1810,6 +1810,7 @@ type DataNodeTtMsg struct {
 	Base                 *commonpb.MsgBase `protobuf:"bytes,1,opt,name=base,proto3" json:"base,omitempty"`
 	ChannelName          string            `protobuf:"bytes,2,opt,name=channel_name,json=channelName,proto3" json:"channel_name,omitempty"`
 	Timestamp            uint64            `protobuf:"varint,3,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
+	SegmentsStats        []*SegmentStats   `protobuf:"bytes,4,rep,name=segments_stats,json=segmentsStats,proto3" json:"segments_stats,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
 	XXX_unrecognized     []byte            `json:"-"`
 	XXX_sizecache        int32             `json:"-"`
@@ -1861,6 +1862,60 @@ func (m *DataNodeTtMsg) GetTimestamp() uint64 {
 	return 0
 }
 
+func (m *DataNodeTtMsg) GetSegmentsStats() []*SegmentStats {
+	if m != nil {
+		return m.SegmentsStats
+	}
+	return nil
+}
+
+type SegmentStats struct {
+	SegmentID            int64    `protobuf:"varint,1,opt,name=SegmentID,proto3" json:"SegmentID,omitempty"`
+	NumRows              int64    `protobuf:"varint,2,opt,name=NumRows,proto3" json:"NumRows,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *SegmentStats) Reset()         { *m = SegmentStats{} }
+func (m *SegmentStats) String() string { return proto.CompactTextString(m) }
+func (*SegmentStats) ProtoMessage()    {}
+func (*SegmentStats) Descriptor() ([]byte, []int) {
+	return fileDescriptor_82cd95f524594f49, []int{29}
+}
+
+func (m *SegmentStats) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_SegmentStats.Unmarshal(m, b)
+}
+func (m *SegmentStats) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_SegmentStats.Marshal(b, m, deterministic)
+}
+func (m *SegmentStats) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_SegmentStats.Merge(m, src)
+}
+func (m *SegmentStats) XXX_Size() int {
+	return xxx_messageInfo_SegmentStats.Size(m)
+}
+func (m *SegmentStats) XXX_DiscardUnknown() {
+	xxx_messageInfo_SegmentStats.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_SegmentStats proto.InternalMessageInfo
+
+func (m *SegmentStats) GetSegmentID() int64 {
+	if m != nil {
+		return m.SegmentID
+	}
+	return 0
+}
+
+func (m *SegmentStats) GetNumRows() int64 {
+	if m != nil {
+		return m.NumRows
+	}
+	return 0
+}
+
 type ChannelStatus struct {
 	Name                 string            `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
 	State                ChannelWatchState `protobuf:"varint,2,opt,name=state,proto3,enum=milvus.proto.data.ChannelWatchState" json:"state,omitempty"`
@@ -1874,7 +1929,7 @@ func (m *ChannelStatus) Reset()         { *m = ChannelStatus{} }
 func (m *ChannelStatus) String() string { return proto.CompactTextString(m) }
 func (*ChannelStatus) ProtoMessage()    {}
 func (*ChannelStatus) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{29}
+	return fileDescriptor_82cd95f524594f49, []int{30}
 }
 
 func (m *ChannelStatus) XXX_Unmarshal(b []byte) error {
@@ -1929,7 +1984,7 @@ func (m *DataNodeInfo) Reset()         { *m = DataNodeInfo{} }
 func (m *DataNodeInfo) String() string { return proto.CompactTextString(m) }
 func (*DataNodeInfo) ProtoMessage()    {}
 func (*DataNodeInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{30}
+	return fileDescriptor_82cd95f524594f49, []int{31}
 }
 
 func (m *DataNodeInfo) XXX_Unmarshal(b []byte) error {
@@ -1986,7 +2041,7 @@ func (m *SegmentBinlogs) Reset()         { *m = SegmentBinlogs{} }
 func (m *SegmentBinlogs) String() string { return proto.CompactTextString(m) }
 func (*SegmentBinlogs) ProtoMessage()    {}
 func (*SegmentBinlogs) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{31}
+	return fileDescriptor_82cd95f524594f49, []int{32}
 }
 
 func (m *SegmentBinlogs) XXX_Unmarshal(b []byte) error {
@@ -2054,7 +2109,7 @@ func (m *FieldBinlog) Reset()         { *m = FieldBinlog{} }
 func (m *FieldBinlog) String() string { return proto.CompactTextString(m) }
 func (*FieldBinlog) ProtoMessage()    {}
 func (*FieldBinlog) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{32}
+	return fileDescriptor_82cd95f524594f49, []int{33}
 }
 
 func (m *FieldBinlog) XXX_Unmarshal(b []byte) error {
@@ -2102,7 +2157,7 @@ func (m *GetRecoveryInfoResponse) Reset()         { *m = GetRecoveryInfoResponse
 func (m *GetRecoveryInfoResponse) String() string { return proto.CompactTextString(m) }
 func (*GetRecoveryInfoResponse) ProtoMessage()    {}
 func (*GetRecoveryInfoResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{33}
+	return fileDescriptor_82cd95f524594f49, []int{34}
 }
 
 func (m *GetRecoveryInfoResponse) XXX_Unmarshal(b []byte) error {
@@ -2157,7 +2212,7 @@ func (m *GetRecoveryInfoRequest) Reset()         { *m = GetRecoveryInfoRequest{}
 func (m *GetRecoveryInfoRequest) String() string { return proto.CompactTextString(m) }
 func (*GetRecoveryInfoRequest) ProtoMessage()    {}
 func (*GetRecoveryInfoRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{34}
+	return fileDescriptor_82cd95f524594f49, []int{35}
 }
 
 func (m *GetRecoveryInfoRequest) XXX_Unmarshal(b []byte) error {
@@ -2212,7 +2267,7 @@ func (m *GetFlushedSegmentsRequest) Reset()         { *m = GetFlushedSegmentsReq
 func (m *GetFlushedSegmentsRequest) String() string { return proto.CompactTextString(m) }
 func (*GetFlushedSegmentsRequest) ProtoMessage()    {}
 func (*GetFlushedSegmentsRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{35}
+	return fileDescriptor_82cd95f524594f49, []int{36}
 }
 
 func (m *GetFlushedSegmentsRequest) XXX_Unmarshal(b []byte) error {
@@ -2266,7 +2321,7 @@ func (m *GetFlushedSegmentsResponse) Reset()         { *m = GetFlushedSegmentsRe
 func (m *GetFlushedSegmentsResponse) String() string { return proto.CompactTextString(m) }
 func (*GetFlushedSegmentsResponse) ProtoMessage()    {}
 func (*GetFlushedSegmentsResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{36}
+	return fileDescriptor_82cd95f524594f49, []int{37}
 }
 
 func (m *GetFlushedSegmentsResponse) XXX_Unmarshal(b []byte) error {
@@ -2313,7 +2368,7 @@ func (m *SegmentFlushCompletedMsg) Reset()         { *m = SegmentFlushCompletedM
 func (m *SegmentFlushCompletedMsg) String() string { return proto.CompactTextString(m) }
 func (*SegmentFlushCompletedMsg) ProtoMessage()    {}
 func (*SegmentFlushCompletedMsg) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{37}
+	return fileDescriptor_82cd95f524594f49, []int{38}
 }
 
 func (m *SegmentFlushCompletedMsg) XXX_Unmarshal(b []byte) error {
@@ -2361,7 +2416,7 @@ func (m *ChannelWatchInfo) Reset()         { *m = ChannelWatchInfo{} }
 func (m *ChannelWatchInfo) String() string { return proto.CompactTextString(m) }
 func (*ChannelWatchInfo) ProtoMessage()    {}
 func (*ChannelWatchInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{38}
+	return fileDescriptor_82cd95f524594f49, []int{39}
 }
 
 func (m *ChannelWatchInfo) XXX_Unmarshal(b []byte) error {
@@ -2417,7 +2472,7 @@ func (m *CompactionSegmentBinlogs) Reset()         { *m = CompactionSegmentBinlo
 func (m *CompactionSegmentBinlogs) String() string { return proto.CompactTextString(m) }
 func (*CompactionSegmentBinlogs) ProtoMessage()    {}
 func (*CompactionSegmentBinlogs) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{39}
+	return fileDescriptor_82cd95f524594f49, []int{40}
 }
 
 func (m *CompactionSegmentBinlogs) XXX_Unmarshal(b []byte) error {
@@ -2483,7 +2538,7 @@ func (m *CompactionPlan) Reset()         { *m = CompactionPlan{} }
 func (m *CompactionPlan) String() string { return proto.CompactTextString(m) }
 func (*CompactionPlan) ProtoMessage()    {}
 func (*CompactionPlan) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{40}
+	return fileDescriptor_82cd95f524594f49, []int{41}
 }
 
 func (m *CompactionPlan) XXX_Unmarshal(b []byte) error {
@@ -2569,7 +2624,7 @@ func (m *CompactionResult) Reset()         { *m = CompactionResult{} }
 func (m *CompactionResult) String() string { return proto.CompactTextString(m) }
 func (*CompactionResult) ProtoMessage()    {}
 func (*CompactionResult) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{41}
+	return fileDescriptor_82cd95f524594f49, []int{42}
 }
 
 func (m *CompactionResult) XXX_Unmarshal(b []byte) error {
@@ -2645,7 +2700,7 @@ func (m *SegmentFieldBinlogMeta) Reset()         { *m = SegmentFieldBinlogMeta{}
 func (m *SegmentFieldBinlogMeta) String() string { return proto.CompactTextString(m) }
 func (*SegmentFieldBinlogMeta) ProtoMessage()    {}
 func (*SegmentFieldBinlogMeta) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{42}
+	return fileDescriptor_82cd95f524594f49, []int{43}
 }
 
 func (m *SegmentFieldBinlogMeta) XXX_Unmarshal(b []byte) error {
@@ -2692,7 +2747,7 @@ func (m *WatchChannelsRequest) Reset()         { *m = WatchChannelsRequest{} }
 func (m *WatchChannelsRequest) String() string { return proto.CompactTextString(m) }
 func (*WatchChannelsRequest) ProtoMessage()    {}
 func (*WatchChannelsRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{43}
+	return fileDescriptor_82cd95f524594f49, []int{44}
 }
 
 func (m *WatchChannelsRequest) XXX_Unmarshal(b []byte) error {
@@ -2738,7 +2793,7 @@ func (m *WatchChannelsResponse) Reset()         { *m = WatchChannelsResponse{} }
 func (m *WatchChannelsResponse) String() string { return proto.CompactTextString(m) }
 func (*WatchChannelsResponse) ProtoMessage()    {}
 func (*WatchChannelsResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{44}
+	return fileDescriptor_82cd95f524594f49, []int{45}
 }
 
 func (m *WatchChannelsResponse) XXX_Unmarshal(b []byte) error {
@@ -2779,7 +2834,7 @@ func (m *DropVirtualChannelRequest) Reset()         { *m = DropVirtualChannelReq
 func (m *DropVirtualChannelRequest) String() string { return proto.CompactTextString(m) }
 func (*DropVirtualChannelRequest) ProtoMessage()    {}
 func (*DropVirtualChannelRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{45}
+	return fileDescriptor_82cd95f524594f49, []int{46}
 }
 
 func (m *DropVirtualChannelRequest) XXX_Unmarshal(b []byte) error {
@@ -2839,7 +2894,7 @@ func (m *DropVirtualChannelSegment) Reset()         { *m = DropVirtualChannelSeg
 func (m *DropVirtualChannelSegment) String() string { return proto.CompactTextString(m) }
 func (*DropVirtualChannelSegment) ProtoMessage()    {}
 func (*DropVirtualChannelSegment) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{46}
+	return fileDescriptor_82cd95f524594f49, []int{47}
 }
 
 func (m *DropVirtualChannelSegment) XXX_Unmarshal(b []byte) error {
@@ -2927,7 +2982,7 @@ func (m *DropVirtualChannelResponse) Reset()         { *m = DropVirtualChannelRe
 func (m *DropVirtualChannelResponse) String() string { return proto.CompactTextString(m) }
 func (*DropVirtualChannelResponse) ProtoMessage()    {}
 func (*DropVirtualChannelResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_82cd95f524594f49, []int{47}
+	return fileDescriptor_82cd95f524594f49, []int{48}
 }
 
 func (m *DropVirtualChannelResponse) XXX_Unmarshal(b []byte) error {
@@ -2987,6 +3042,7 @@ func init() {
 	proto.RegisterType((*CheckPoint)(nil), "milvus.proto.data.CheckPoint")
 	proto.RegisterType((*DeltaLogInfo)(nil), "milvus.proto.data.DeltaLogInfo")
 	proto.RegisterType((*DataNodeTtMsg)(nil), "milvus.proto.data.DataNodeTtMsg")
+	proto.RegisterType((*SegmentStats)(nil), "milvus.proto.data.SegmentStats")
 	proto.RegisterType((*ChannelStatus)(nil), "milvus.proto.data.ChannelStatus")
 	proto.RegisterType((*DataNodeInfo)(nil), "milvus.proto.data.DataNodeInfo")
 	proto.RegisterType((*SegmentBinlogs)(nil), "milvus.proto.data.SegmentBinlogs")
@@ -3011,180 +3067,182 @@ func init() {
 func init() { proto.RegisterFile("data_coord.proto", fileDescriptor_82cd95f524594f49) }
 
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 }
 
 // Reference imports to suppress errors if they are not otherwise used.
diff --git a/internal/proto/internal.proto b/internal/proto/internal.proto
index d14aa3bd77..2c0892e7a5 100644
--- a/internal/proto/internal.proto
+++ b/internal/proto/internal.proto
@@ -222,21 +222,6 @@ message LoadIndex {
   repeated common.KeyValuePair index_params = 6;
 }
 
-message SegmentStatisticsUpdates {
-  int64 SegmentID = 1;
-  int64 MemorySize = 2;
-  int64 NumRows = 3;
-  uint64 create_time = 4;
-  uint64 end_time = 5;
-  internal.MsgPosition start_position = 6;
-  internal.MsgPosition end_position = 7;
-}
-
-message SegmentStatistics {
-  common.MsgBase base = 1;
-  repeated SegmentStatisticsUpdates SegStats = 2;
-}
-
 message IndexStats {
   repeated common.KeyValuePair index_params = 1;
   int64 num_related_segments = 2;
diff --git a/internal/proto/internalpb/internal.pb.go b/internal/proto/internalpb/internal.pb.go
index c24f8610bd..db17e43fd1 100644
--- a/internal/proto/internalpb/internal.pb.go
+++ b/internal/proto/internalpb/internal.pb.go
@@ -1892,140 +1892,6 @@ func (m *LoadIndex) GetIndexParams() []*commonpb.KeyValuePair {
 	return nil
 }
 
-type SegmentStatisticsUpdates struct {
-	SegmentID            int64        `protobuf:"varint,1,opt,name=SegmentID,proto3" json:"SegmentID,omitempty"`
-	MemorySize           int64        `protobuf:"varint,2,opt,name=MemorySize,proto3" json:"MemorySize,omitempty"`
-	NumRows              int64        `protobuf:"varint,3,opt,name=NumRows,proto3" json:"NumRows,omitempty"`
-	CreateTime           uint64       `protobuf:"varint,4,opt,name=create_time,json=createTime,proto3" json:"create_time,omitempty"`
-	EndTime              uint64       `protobuf:"varint,5,opt,name=end_time,json=endTime,proto3" json:"end_time,omitempty"`
-	StartPosition        *MsgPosition `protobuf:"bytes,6,opt,name=start_position,json=startPosition,proto3" json:"start_position,omitempty"`
-	EndPosition          *MsgPosition `protobuf:"bytes,7,opt,name=end_position,json=endPosition,proto3" json:"end_position,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}     `json:"-"`
-	XXX_unrecognized     []byte       `json:"-"`
-	XXX_sizecache        int32        `json:"-"`
-}
-
-func (m *SegmentStatisticsUpdates) Reset()         { *m = SegmentStatisticsUpdates{} }
-func (m *SegmentStatisticsUpdates) String() string { return proto.CompactTextString(m) }
-func (*SegmentStatisticsUpdates) ProtoMessage()    {}
-func (*SegmentStatisticsUpdates) Descriptor() ([]byte, []int) {
-	return fileDescriptor_41f4a519b878ee3b, []int{25}
-}
-
-func (m *SegmentStatisticsUpdates) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_SegmentStatisticsUpdates.Unmarshal(m, b)
-}
-func (m *SegmentStatisticsUpdates) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_SegmentStatisticsUpdates.Marshal(b, m, deterministic)
-}
-func (m *SegmentStatisticsUpdates) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SegmentStatisticsUpdates.Merge(m, src)
-}
-func (m *SegmentStatisticsUpdates) XXX_Size() int {
-	return xxx_messageInfo_SegmentStatisticsUpdates.Size(m)
-}
-func (m *SegmentStatisticsUpdates) XXX_DiscardUnknown() {
-	xxx_messageInfo_SegmentStatisticsUpdates.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_SegmentStatisticsUpdates proto.InternalMessageInfo
-
-func (m *SegmentStatisticsUpdates) GetSegmentID() int64 {
-	if m != nil {
-		return m.SegmentID
-	}
-	return 0
-}
-
-func (m *SegmentStatisticsUpdates) GetMemorySize() int64 {
-	if m != nil {
-		return m.MemorySize
-	}
-	return 0
-}
-
-func (m *SegmentStatisticsUpdates) GetNumRows() int64 {
-	if m != nil {
-		return m.NumRows
-	}
-	return 0
-}
-
-func (m *SegmentStatisticsUpdates) GetCreateTime() uint64 {
-	if m != nil {
-		return m.CreateTime
-	}
-	return 0
-}
-
-func (m *SegmentStatisticsUpdates) GetEndTime() uint64 {
-	if m != nil {
-		return m.EndTime
-	}
-	return 0
-}
-
-func (m *SegmentStatisticsUpdates) GetStartPosition() *MsgPosition {
-	if m != nil {
-		return m.StartPosition
-	}
-	return nil
-}
-
-func (m *SegmentStatisticsUpdates) GetEndPosition() *MsgPosition {
-	if m != nil {
-		return m.EndPosition
-	}
-	return nil
-}
-
-type SegmentStatistics struct {
-	Base                 *commonpb.MsgBase           `protobuf:"bytes,1,opt,name=base,proto3" json:"base,omitempty"`
-	SegStats             []*SegmentStatisticsUpdates `protobuf:"bytes,2,rep,name=SegStats,proto3" json:"SegStats,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}                    `json:"-"`
-	XXX_unrecognized     []byte                      `json:"-"`
-	XXX_sizecache        int32                       `json:"-"`
-}
-
-func (m *SegmentStatistics) Reset()         { *m = SegmentStatistics{} }
-func (m *SegmentStatistics) String() string { return proto.CompactTextString(m) }
-func (*SegmentStatistics) ProtoMessage()    {}
-func (*SegmentStatistics) Descriptor() ([]byte, []int) {
-	return fileDescriptor_41f4a519b878ee3b, []int{26}
-}
-
-func (m *SegmentStatistics) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_SegmentStatistics.Unmarshal(m, b)
-}
-func (m *SegmentStatistics) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_SegmentStatistics.Marshal(b, m, deterministic)
-}
-func (m *SegmentStatistics) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SegmentStatistics.Merge(m, src)
-}
-func (m *SegmentStatistics) XXX_Size() int {
-	return xxx_messageInfo_SegmentStatistics.Size(m)
-}
-func (m *SegmentStatistics) XXX_DiscardUnknown() {
-	xxx_messageInfo_SegmentStatistics.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_SegmentStatistics proto.InternalMessageInfo
-
-func (m *SegmentStatistics) GetBase() *commonpb.MsgBase {
-	if m != nil {
-		return m.Base
-	}
-	return nil
-}
-
-func (m *SegmentStatistics) GetSegStats() []*SegmentStatisticsUpdates {
-	if m != nil {
-		return m.SegStats
-	}
-	return nil
-}
-
 type IndexStats struct {
 	IndexParams          []*commonpb.KeyValuePair `protobuf:"bytes,1,rep,name=index_params,json=indexParams,proto3" json:"index_params,omitempty"`
 	NumRelatedSegments   int64                    `protobuf:"varint,2,opt,name=num_related_segments,json=numRelatedSegments,proto3" json:"num_related_segments,omitempty"`
@@ -2038,7 +1904,7 @@ func (m *IndexStats) Reset()         { *m = IndexStats{} }
 func (m *IndexStats) String() string { return proto.CompactTextString(m) }
 func (*IndexStats) ProtoMessage()    {}
 func (*IndexStats) Descriptor() ([]byte, []int) {
-	return fileDescriptor_41f4a519b878ee3b, []int{27}
+	return fileDescriptor_41f4a519b878ee3b, []int{25}
 }
 
 func (m *IndexStats) XXX_Unmarshal(b []byte) error {
@@ -2086,7 +1952,7 @@ func (m *FieldStats) Reset()         { *m = FieldStats{} }
 func (m *FieldStats) String() string { return proto.CompactTextString(m) }
 func (*FieldStats) ProtoMessage()    {}
 func (*FieldStats) Descriptor() ([]byte, []int) {
-	return fileDescriptor_41f4a519b878ee3b, []int{28}
+	return fileDescriptor_41f4a519b878ee3b, []int{26}
 }
 
 func (m *FieldStats) XXX_Unmarshal(b []byte) error {
@@ -2142,7 +2008,7 @@ func (m *SegmentStats) Reset()         { *m = SegmentStats{} }
 func (m *SegmentStats) String() string { return proto.CompactTextString(m) }
 func (*SegmentStats) ProtoMessage()    {}
 func (*SegmentStats) Descriptor() ([]byte, []int) {
-	return fileDescriptor_41f4a519b878ee3b, []int{29}
+	return fileDescriptor_41f4a519b878ee3b, []int{27}
 }
 
 func (m *SegmentStats) XXX_Unmarshal(b []byte) error {
@@ -2204,7 +2070,7 @@ func (m *QueryNodeStats) Reset()         { *m = QueryNodeStats{} }
 func (m *QueryNodeStats) String() string { return proto.CompactTextString(m) }
 func (*QueryNodeStats) ProtoMessage()    {}
 func (*QueryNodeStats) Descriptor() ([]byte, []int) {
-	return fileDescriptor_41f4a519b878ee3b, []int{30}
+	return fileDescriptor_41f4a519b878ee3b, []int{28}
 }
 
 func (m *QueryNodeStats) XXX_Unmarshal(b []byte) error {
@@ -2260,7 +2126,7 @@ func (m *MsgPosition) Reset()         { *m = MsgPosition{} }
 func (m *MsgPosition) String() string { return proto.CompactTextString(m) }
 func (*MsgPosition) ProtoMessage()    {}
 func (*MsgPosition) Descriptor() ([]byte, []int) {
-	return fileDescriptor_41f4a519b878ee3b, []int{31}
+	return fileDescriptor_41f4a519b878ee3b, []int{29}
 }
 
 func (m *MsgPosition) XXX_Unmarshal(b []byte) error {
@@ -2323,7 +2189,7 @@ func (m *ChannelTimeTickMsg) Reset()         { *m = ChannelTimeTickMsg{} }
 func (m *ChannelTimeTickMsg) String() string { return proto.CompactTextString(m) }
 func (*ChannelTimeTickMsg) ProtoMessage()    {}
 func (*ChannelTimeTickMsg) Descriptor() ([]byte, []int) {
-	return fileDescriptor_41f4a519b878ee3b, []int{32}
+	return fileDescriptor_41f4a519b878ee3b, []int{30}
 }
 
 func (m *ChannelTimeTickMsg) XXX_Unmarshal(b []byte) error {
@@ -2399,8 +2265,6 @@ func init() {
 	proto.RegisterType((*RetrieveResults)(nil), "milvus.proto.internal.RetrieveResults")
 	proto.RegisterType((*DeleteRequest)(nil), "milvus.proto.internal.DeleteRequest")
 	proto.RegisterType((*LoadIndex)(nil), "milvus.proto.internal.LoadIndex")
-	proto.RegisterType((*SegmentStatisticsUpdates)(nil), "milvus.proto.internal.SegmentStatisticsUpdates")
-	proto.RegisterType((*SegmentStatistics)(nil), "milvus.proto.internal.SegmentStatistics")
 	proto.RegisterType((*IndexStats)(nil), "milvus.proto.internal.IndexStats")
 	proto.RegisterType((*FieldStats)(nil), "milvus.proto.internal.FieldStats")
 	proto.RegisterType((*SegmentStats)(nil), "milvus.proto.internal.SegmentStats")
@@ -2412,132 +2276,123 @@ func init() {
 func init() { proto.RegisterFile("internal.proto", fileDescriptor_41f4a519b878ee3b) }
 
 var fileDescriptor_41f4a519b878ee3b = []byte{
-	// 2017 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xec, 0x59, 0xcf, 0x73, 0x1c, 0x47,
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