enhance: Add sorted for segment info (#36469)

issue: #33744

Signed-off-by: Cai Zhang <cai.zhang@zilliz.com>

go.mod

@@ -22,7 +22,7 @@ require (
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
 	github.com/klauspost/compress v1.17.7
 	github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d
-	github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20240909041258-8f8ca67816cd
+	github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20240923125106-ef9b8fd69497
 	github.com/minio/minio-go/v7 v7.0.61
 	github.com/pingcap/log v1.1.1-0.20221015072633-39906604fb81
 	github.com/prometheus/client_golang v1.14.0

go.sum

@@ -602,6 +602,8 @@ github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20240909041258-8f8ca67816cd
 github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20240909041258-8f8ca67816cd/go.mod h1:/6UT4zZl6awVeXLeE7UGDWZvXj3IWkRsh3mqsn0DiAs=
 github.com/milvus-io/pulsar-client-go v0.11.1 h1:5jiRP5j93CrgqcC20XVn68DX27htZdhedP1NyoIwkVg=
 github.com/milvus-io/pulsar-client-go v0.11.1/go.mod h1:cipLojlpUzs3i3cDNrK2MdOVs4HWPD7MQsAoOUqWcec=
+github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20240923125106-ef9b8fd69497 h1:t4sQMbSy05p8qgMGvEGyLYYLoZ9fD1dushS1bj5X6+0=
+github.com/milvus-io/milvus-proto/go-api/v2 v2.3.4-0.20240923125106-ef9b8fd69497/go.mod h1:/6UT4zZl6awVeXLeE7UGDWZvXj3IWkRsh3mqsn0DiAs=
 github.com/minio/asm2plan9s v0.0.0-20200509001527-cdd76441f9d8 h1:AMFGa4R4MiIpspGNG7Z948v4n35fFGB3RR3G/ry4FWs=
 github.com/minio/asm2plan9s v0.0.0-20200509001527-cdd76441f9d8/go.mod h1:mC1jAcsrzbxHt8iiaC+zU4b1ylILSosueou12R++wfY=
 github.com/minio/c2goasm v0.0.0-20190812172519-36a3d3bbc4f3 h1:+n/aFZefKZp7spd8DFdX7uMikMLXX4oubIzJF4kv/wI=

internal/datacoord/meta.go

@@ -121,9 +121,9 @@ func newChannelCps() *channelCPs {
 
 // A local cache of segment metric update. Must call commit() to take effect.
 type segMetricMutation struct {
-	stateChange       map[string]map[string]int // segment state, seg level -> state change count (to increase or decrease).
+	stateChange       map[string]map[string]map[string]int // segment state, seg level -> state -> isSorted change count (to increase or decrease).
-	rowCountChange    int64                     // Change in # of rows.
+	rowCountChange    int64                                // Change in # of rows.
-	rowCountAccChange int64                     // Total # of historical added rows, accumulated.
+	rowCountAccChange int64                                // Total # of historical added rows, accumulated.
 }
 
 type collectionInfo struct {
@@ -197,7 +197,7 @@ func (m *meta) reloadFromKV() error {
 	for _, segment := range segments {
 		// segments from catalog.ListSegments will not have logPath
 		m.segments.SetSegment(segment.ID, NewSegmentInfo(segment))
-		metrics.DataCoordNumSegments.WithLabelValues(segment.GetState().String(), segment.GetLevel().String()).Inc()
+		metrics.DataCoordNumSegments.WithLabelValues(segment.GetState().String(), segment.GetLevel().String(), getSortStatus(segment.GetIsSorted())).Inc()
 		if segment.State == commonpb.SegmentState_Flushed {
 			numStoredRows += segment.NumOfRows
 
@@ -511,7 +511,7 @@ func (m *meta) AddSegment(ctx context.Context, segment *SegmentInfo) error {
 	}
 	m.segments.SetSegment(segment.GetID(), segment)
 
-	metrics.DataCoordNumSegments.WithLabelValues(segment.GetState().String(), segment.GetLevel().String()).Inc()
+	metrics.DataCoordNumSegments.WithLabelValues(segment.GetState().String(), segment.GetLevel().String(), getSortStatus(segment.GetIsSorted())).Inc()
 	log.Info("meta update: adding segment - complete", zap.Int64("segmentID", segment.GetID()))
 	return nil
 }
@@ -533,7 +533,7 @@ func (m *meta) DropSegment(segmentID UniqueID) error {
 			zap.Error(err))
 		return err
 	}
-	metrics.DataCoordNumSegments.WithLabelValues(segment.GetState().String(), segment.GetLevel().String()).Dec()
+	metrics.DataCoordNumSegments.WithLabelValues(segment.GetState().String(), segment.GetLevel().String(), getSortStatus(segment.GetIsSorted())).Dec()
 	coll, ok := m.collections[segment.CollectionID]
 	if ok {
 		metrics.CleanupDataCoordSegmentMetrics(coll.DatabaseName, segment.CollectionID, segment.ID)
@@ -637,7 +637,7 @@ func (m *meta) SetState(segmentID UniqueID, targetState commonpb.SegmentState) e
 	// Persist segment updates first.
 	clonedSegment := curSegInfo.Clone()
 	metricMutation := &segMetricMutation{
-		stateChange: make(map[string]map[string]int),
+		stateChange: make(map[string]map[string]map[string]int),
 	}
 	if clonedSegment != nil && isSegmentHealthy(clonedSegment) {
 		// Update segment state and prepare segment metric update.
@@ -748,7 +748,7 @@ func CreateL0Operator(collectionID, partitionID, segmentID int64, channel string
 					Level:         datapb.SegmentLevel_L0,
 				},
 			}
-			modPack.metricMutation.addNewSeg(commonpb.SegmentState_Flushed, datapb.SegmentLevel_L0, 0)
+			modPack.metricMutation.addNewSeg(commonpb.SegmentState_Flushed, datapb.SegmentLevel_L0, false, 0)
 		}
 		return true
 	}
@@ -1016,7 +1016,7 @@ func (m *meta) UpdateSegmentsInfo(operators ...UpdateOperator) error {
 		segments:   make(map[int64]*SegmentInfo),
 		increments: make(map[int64]metastore.BinlogsIncrement),
 		metricMutation: &segMetricMutation{
-			stateChange: make(map[string]map[string]int),
+			stateChange: make(map[string]map[string]map[string]int),
 		},
 	}
 
@@ -1055,7 +1055,7 @@ func (m *meta) UpdateDropChannelSegmentInfo(channel string, segments []*SegmentI
 
 	// Prepare segment metric mutation.
 	metricMutation := &segMetricMutation{
-		stateChange: make(map[string]map[string]int),
+		stateChange: make(map[string]map[string]map[string]int),
 	}
 	modSegments := make(map[UniqueID]*SegmentInfo)
 	// save new segments flushed from buffer data
@@ -1096,7 +1096,7 @@ func (m *meta) UpdateDropChannelSegmentInfo(channel string, segments []*SegmentI
 // mergeDropSegment merges drop segment information with meta segments
 func (m *meta) mergeDropSegment(seg2Drop *SegmentInfo) (*SegmentInfo, *segMetricMutation) {
 	metricMutation := &segMetricMutation{
-		stateChange: make(map[string]map[string]int),
+		stateChange: make(map[string]map[string]map[string]int),
 	}
 
 	segment := m.segments.GetSegment(seg2Drop.ID)
@@ -1412,7 +1412,7 @@ func (m *meta) completeClusterCompactionMutation(t *datapb.CompactionTask, resul
 		zap.Int64("partitionID", t.PartitionID),
 		zap.String("channel", t.GetChannel()))
 
-	metricMutation := &segMetricMutation{stateChange: make(map[string]map[string]int)}
+	metricMutation := &segMetricMutation{stateChange: make(map[string]map[string]map[string]int)}
 	compactFromSegIDs := make([]int64, 0)
 	compactToSegIDs := make([]int64, 0)
 	compactFromSegInfos := make([]*SegmentInfo, 0)
@@ -1460,7 +1460,7 @@ func (m *meta) completeClusterCompactionMutation(t *datapb.CompactionTask, resul
 		segment := NewSegmentInfo(segmentInfo)
 		compactToSegInfos = append(compactToSegInfos, segment)
 		compactToSegIDs = append(compactToSegIDs, segment.GetID())
-		metricMutation.addNewSeg(segment.GetState(), segment.GetLevel(), segment.GetNumOfRows())
+		metricMutation.addNewSeg(segment.GetState(), segment.GetLevel(), segment.GetIsSorted(), segment.GetNumOfRows())
 	}
 
 	log = log.With(zap.Int64s("compact from", compactFromSegIDs), zap.Int64s("compact to", compactToSegIDs))
@@ -1504,7 +1504,7 @@ func (m *meta) completeMixCompactionMutation(t *datapb.CompactionTask, result *d
 		zap.Int64("partitionID", t.PartitionID),
 		zap.String("channel", t.GetChannel()))
 
-	metricMutation := &segMetricMutation{stateChange: make(map[string]map[string]int)}
+	metricMutation := &segMetricMutation{stateChange: make(map[string]map[string]map[string]int)}
 	var compactFromSegIDs []int64
 	var compactFromSegInfos []*SegmentInfo
 	for _, segmentID := range t.GetInputSegments() {
@@ -1558,7 +1558,7 @@ func (m *meta) completeMixCompactionMutation(t *datapb.CompactionTask, result *d
 		// L1 segment with NumRows=0 will be discarded, so no need to change the metric
 		if compactToSegmentInfo.GetNumOfRows() > 0 {
 			// metrics mutation for compactTo segments
-			metricMutation.addNewSeg(compactToSegmentInfo.GetState(), compactToSegmentInfo.GetLevel(), compactToSegmentInfo.GetNumOfRows())
+			metricMutation.addNewSeg(compactToSegmentInfo.GetState(), compactToSegmentInfo.GetLevel(), compactToSegmentInfo.GetIsSorted(), compactToSegmentInfo.GetNumOfRows())
 		} else {
 			compactToSegmentInfo.State = commonpb.SegmentState_Dropped
 		}
@@ -1812,11 +1812,15 @@ func (m *meta) GetEarliestStartPositionOfGrowingSegments(label *CompactionGroupL
 }
 
 // addNewSeg update metrics update for a new segment.
-func (s *segMetricMutation) addNewSeg(state commonpb.SegmentState, level datapb.SegmentLevel, rowCount int64) {
+func (s *segMetricMutation) addNewSeg(state commonpb.SegmentState, level datapb.SegmentLevel, isSorted bool, rowCount int64) {
 	if _, ok := s.stateChange[level.String()]; !ok {
-		s.stateChange[level.String()] = make(map[string]int)
+		s.stateChange[level.String()] = make(map[string]map[string]int)
 	}
-	s.stateChange[level.String()][state.String()] += 1
+	if _, ok := s.stateChange[level.String()][state.String()]; !ok {
+		s.stateChange[level.String()][state.String()] = make(map[string]int)
+
+	}
+	s.stateChange[level.String()][state.String()][getSortStatus(isSorted)] += 1
 
 	s.rowCountChange += rowCount
 	s.rowCountAccChange += rowCount
@@ -1826,20 +1830,28 @@ func (s *segMetricMutation) addNewSeg(state commonpb.SegmentState, level datapb.
 // has persisted in Etcd.
 func (s *segMetricMutation) commit() {
 	for level, submap := range s.stateChange {
-		for state, change := range submap {
+		for state, sortedMap := range submap {
-			metrics.DataCoordNumSegments.WithLabelValues(state, level).Add(float64(change))
+			for sortedLabel, change := range sortedMap {
+				metrics.DataCoordNumSegments.WithLabelValues(state, level, sortedLabel).Add(float64(change))
+			}
 		}
 	}
 }
 
 // append updates current segMetricMutation when segment state change happens.
-func (s *segMetricMutation) append(oldState, newState commonpb.SegmentState, level datapb.SegmentLevel, rowCountUpdate int64) {
+func (s *segMetricMutation) append(oldState, newState commonpb.SegmentState, level datapb.SegmentLevel, isSorted bool, rowCountUpdate int64) {
 	if oldState != newState {
 		if _, ok := s.stateChange[level.String()]; !ok {
-			s.stateChange[level.String()] = make(map[string]int)
+			s.stateChange[level.String()] = make(map[string]map[string]int)
 		}
-		s.stateChange[level.String()][oldState.String()] -= 1
+		if _, ok := s.stateChange[level.String()][oldState.String()]; !ok {
-		s.stateChange[level.String()][newState.String()] += 1
+			s.stateChange[level.String()][oldState.String()] = make(map[string]int)
+		}
+		if _, ok := s.stateChange[level.String()][newState.String()]; !ok {
+			s.stateChange[level.String()][newState.String()] = make(map[string]int)
+		}
+		s.stateChange[level.String()][oldState.String()][getSortStatus(isSorted)] -= 1
+		s.stateChange[level.String()][newState.String()][getSortStatus(isSorted)] += 1
 	}
 	// Update # of rows on new flush operations and drop operations.
 	if isFlushState(newState) && !isFlushState(oldState) {
@@ -1863,7 +1875,7 @@ func updateSegStateAndPrepareMetrics(segToUpdate *SegmentInfo, targetState commo
 		zap.String("old state", segToUpdate.GetState().String()),
 		zap.String("new state", targetState.String()),
 		zap.Int64("# of rows", segToUpdate.GetNumOfRows()))
-	metricMutation.append(segToUpdate.GetState(), targetState, segToUpdate.GetLevel(), segToUpdate.GetNumOfRows())
+	metricMutation.append(segToUpdate.GetState(), targetState, segToUpdate.GetLevel(), segToUpdate.GetIsSorted(), segToUpdate.GetNumOfRows())
 	segToUpdate.State = targetState
 	if targetState == commonpb.SegmentState_Dropped {
 		segToUpdate.DroppedAt = uint64(time.Now().UnixNano())
@@ -1957,7 +1969,7 @@ func (m *meta) SaveStatsResultSegment(oldSegmentID int64, result *workerpb.Stats
 		zap.Int64("old segmentID", oldSegmentID),
 		zap.Int64("target segmentID", result.GetSegmentID()))
 
-	metricMutation := &segMetricMutation{stateChange: make(map[string]map[string]int)}
+	metricMutation := &segMetricMutation{stateChange: make(map[string]map[string]map[string]int)}
 
 	oldSegment := m.segments.GetSegment(oldSegmentID)
 	if oldSegment == nil {
@@ -1994,7 +2006,7 @@ func (m *meta) SaveStatsResultSegment(oldSegmentID int64, result *workerpb.Stats
 	}
 	segment := NewSegmentInfo(segmentInfo)
 	if segment.GetNumOfRows() > 0 {
-		metricMutation.addNewSeg(segment.GetState(), segment.GetLevel(), segment.GetNumOfRows())
+		metricMutation.addNewSeg(segment.GetState(), segment.GetLevel(), segment.GetIsSorted(), segment.GetNumOfRows())
 	} else {
 		segment.State = commonpb.SegmentState_Dropped
 	}

internal/datacoord/meta_test.go

@@ -124,7 +124,7 @@ func (suite *MetaReloadSuite) TestReloadFromKV() {
 		_, err := newMeta(ctx, suite.catalog, nil)
 		suite.NoError(err)
 
-		suite.MetricsEqual(metrics.DataCoordNumSegments.WithLabelValues(metrics.FlushedSegmentLabel, datapb.SegmentLevel_Legacy.String()), 1)
+		suite.MetricsEqual(metrics.DataCoordNumSegments.WithLabelValues(metrics.FlushedSegmentLabel, datapb.SegmentLevel_Legacy.String(), "unsorted"), 1)
 	})
 }
 

internal/datacoord/services.go

@@ -912,6 +912,7 @@ func (s *Server) GetRecoveryInfoV2(ctx context.Context, req *datapb.GetRecoveryI
 			InsertChannel: segment.InsertChannel,
 			NumOfRows:     rowCount,
 			Level:         segment.GetLevel(),
+			IsSorted:      segment.GetIsSorted(),
 		})
 	}
 

internal/datacoord/util.go

@@ -349,3 +349,10 @@ func createStorageConfig() *indexpb.StorageConfig {
 
 	return storageConfig
 }
+
+func getSortStatus(sorted bool) string {
+	if sorted {
+		return "sorted"
+	}
+	return "unsorted"
+}

internal/proto/query_coord.proto

@@ -557,6 +557,7 @@ message SegmentInfo {
     bool enable_index = 16;
     bool is_fake = 17;
     data.SegmentLevel level = 18;
+    bool is_sorted = 19;
 }
 
 message CollectionInfo {
@@ -635,6 +636,7 @@ message SegmentVersionInfo {
     uint64 last_delta_timestamp = 6;
     map<int64, FieldIndexInfo> index_info = 7;
     data.SegmentLevel level = 8;
+    bool is_sorted = 9;
 }
 
 message ChannelVersionInfo {

internal/proxy/impl.go

@@ -4111,6 +4111,7 @@ func (node *Proxy) GetPersistentSegmentInfo(ctx context.Context, req *milvuspb.G
 			NumRows:      info.NumOfRows,
 			State:        info.State,
 			Level:        commonpb.SegmentLevel(info.Level),
+			IsSorted:     info.GetIsSorted(),
 		}
 	}
 	metrics.ProxyFunctionCall.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), method,
@@ -4184,6 +4185,7 @@ func (node *Proxy) GetQuerySegmentInfo(ctx context.Context, req *milvuspb.GetQue
 			State:        info.SegmentState,
 			NodeIds:      info.NodeIds,
 			Level:        commonpb.SegmentLevel(info.Level),
+			IsSorted:     info.GetIsSorted(),
 		}
 	}
 

internal/querycoordv2/dist/dist_handler.go

@@ -146,6 +146,7 @@ func (dh *distHandler) updateSegmentsDistribution(resp *querypb.GetDataDistribut
 				PartitionID:   s.GetPartition(),
 				InsertChannel: s.GetChannel(),
 				Level:         s.GetLevel(),
+				IsSorted:      s.GetIsSorted(),
 			}
 		}
 		updates = append(updates, &meta.Segment{

internal/querycoordv2/utils/types.go

@@ -45,6 +45,7 @@ func MergeMetaSegmentIntoSegmentInfo(info *querypb.SegmentInfo, segments ...*met
 			SegmentState: commonpb.SegmentState_Sealed,
 			IndexInfos:   make([]*querypb.FieldIndexInfo, 0),
 			Level:        first.Level,
+			IsSorted:     first.GetIsSorted(),
 		}
 		for _, indexInfo := range first.IndexInfo {
 			info.IndexName = indexInfo.IndexName

internal/querynodev2/segments/mock_segment.go

@@ -17,8 +17,6 @@ import (
 
 	querypb "github.com/milvus-io/milvus/internal/proto/querypb"
 
-	schemapb "github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
-
 	segcorepb "github.com/milvus-io/milvus/internal/proto/segcorepb"
 
 	storage "github.com/milvus-io/milvus/internal/storage"
@@ -589,6 +587,47 @@ func (_c *MockSegment_IsLazyLoad_Call) RunAndReturn(run func() bool) *MockSegmen
 	return _c
 }
 
+// IsSorted provides a mock function with given fields:
+func (_m *MockSegment) IsSorted() bool {
+	ret := _m.Called()
+
+	var r0 bool
+	if rf, ok := ret.Get(0).(func() bool); ok {
+		r0 = rf()
+	} else {
+		r0 = ret.Get(0).(bool)
+	}
+
+	return r0
+}
+
+// MockSegment_IsSorted_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'IsSorted'
+type MockSegment_IsSorted_Call struct {
+	*mock.Call
+}
+
+// IsSorted is a helper method to define mock.On call
+func (_e *MockSegment_Expecter) IsSorted() *MockSegment_IsSorted_Call {
+	return &MockSegment_IsSorted_Call{Call: _e.mock.On("IsSorted")}
+}
+
+func (_c *MockSegment_IsSorted_Call) Run(run func()) *MockSegment_IsSorted_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *MockSegment_IsSorted_Call) Return(_a0 bool) *MockSegment_IsSorted_Call {
+	_c.Call.Return(_a0)
+	return _c
+}
+
+func (_c *MockSegment_IsSorted_Call) RunAndReturn(run func() bool) *MockSegment_IsSorted_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
 // LastDeltaTimestamp provides a mock function with given fields:
 func (_m *MockSegment) LastDeltaTimestamp() uint64 {
 	ret := _m.Called()
@@ -714,49 +753,6 @@ func (_c *MockSegment_LoadDeltaData_Call) RunAndReturn(run func(context.Context,
 	return _c
 }
 
-// LoadDeltaData2 provides a mock function with given fields: ctx, schema
-func (_m *MockSegment) LoadDeltaData2(ctx context.Context, schema *schemapb.CollectionSchema) error {
-	ret := _m.Called(ctx, schema)
-
-	var r0 error
-	if rf, ok := ret.Get(0).(func(context.Context, *schemapb.CollectionSchema) error); ok {
-		r0 = rf(ctx, schema)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// MockSegment_LoadDeltaData2_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'LoadDeltaData2'
-type MockSegment_LoadDeltaData2_Call struct {
-	*mock.Call
-}
-
-// LoadDeltaData2 is a helper method to define mock.On call
-//   - ctx context.Context
-//   - schema *schemapb.CollectionSchema
-func (_e *MockSegment_Expecter) LoadDeltaData2(ctx interface{}, schema interface{}) *MockSegment_LoadDeltaData2_Call {
-	return &MockSegment_LoadDeltaData2_Call{Call: _e.mock.On("LoadDeltaData2", ctx, schema)}
-}
-
-func (_c *MockSegment_LoadDeltaData2_Call) Run(run func(ctx context.Context, schema *schemapb.CollectionSchema)) *MockSegment_LoadDeltaData2_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(context.Context), args[1].(*schemapb.CollectionSchema))
-	})
-	return _c
-}
-
-func (_c *MockSegment_LoadDeltaData2_Call) Return(_a0 error) *MockSegment_LoadDeltaData2_Call {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *MockSegment_LoadDeltaData2_Call) RunAndReturn(run func(context.Context, *schemapb.CollectionSchema) error) *MockSegment_LoadDeltaData2_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
 // LoadInfo provides a mock function with given fields:
 func (_m *MockSegment) LoadInfo() *querypb.SegmentLoadInfo {
 	ret := _m.Called()

internal/querynodev2/segments/segment.go

@@ -161,6 +161,10 @@ func (s *baseSegment) Level() datapb.SegmentLevel {
 	return s.loadInfo.Load().GetLevel()
 }
 
+func (s *baseSegment) IsSorted() bool {
+	return s.loadInfo.Load().GetIsSorted()
+}
+
 func (s *baseSegment) StartPosition() *msgpb.MsgPosition {
 	return s.loadInfo.Load().GetStartPosition()
 }

internal/querynodev2/segments/segment_interface.go

@@ -53,6 +53,7 @@ type Segment interface {
 	StartPosition() *msgpb.MsgPosition
 	Type() SegmentType
 	Level() datapb.SegmentLevel
+	IsSorted() bool
 	LoadInfo() *querypb.SegmentLoadInfo
 	// PinIfNotReleased the segment to prevent it from being released
 	PinIfNotReleased() error

internal/querynodev2/services.go

@@ -1181,6 +1181,7 @@ func (node *QueryNode) GetDataDistribution(ctx context.Context, req *querypb.Get
 			Channel:            s.Shard().VirtualName(),
 			Version:            s.Version(),
 			Level:              s.Level(),
+			IsSorted:           s.IsSorted(),
 			LastDeltaTimestamp: s.LastDeltaTimestamp(),
 			IndexInfo: lo.SliceToMap(s.Indexes(), func(info *segments.IndexedFieldInfo) (int64, *querypb.FieldIndexInfo) {
 				return info.IndexInfo.FieldID, info.IndexInfo

pkg/metrics/datacoord_metrics.go

@@ -51,6 +51,7 @@ var (
 		}, []string{
 			segmentStateLabelName,
 			segmentLevelLabelName,
+			segmentIsSortedLabelName,
 		})
 
 	// DataCoordCollectionNum records the num of collections managed by DataCoord.

pkg/metrics/metrics.go

@@ -99,6 +99,7 @@ const (
 	segmentStateLabelName    = "segment_state"
 	segmentIDLabelName       = "segment_id"
 	segmentLevelLabelName    = "segment_level"
+	segmentIsSortedLabelName = "segment_is_sorted"
 	usernameLabelName        = "username"
 	roleNameLabelName        = "role_name"
 	cacheNameLabelName       = "cache_name"