fix: add GetSegments optimization to avoid meta mutex competition (#31025)

#30835

Signed-off-by: luzhang <luzhang@zilliz.com>
Co-authored-by: luzhang <luzhang@zilliz.com>

internal/datacoord/meta.go

@@ -328,6 +328,20 @@ func (m *meta) GetHealthySegment(segID UniqueID) *SegmentInfo {
 	return nil
 }
 
+// Get segments By filter function
+func (m *meta) GetSegments(segIDs []UniqueID, filterFunc SegmentInfoSelector) []UniqueID {
+	m.RLock()
+	defer m.RUnlock()
+	var result []UniqueID
+	for _, id := range segIDs {
+		segment := m.segments.GetSegment(id)
+		if segment != nil && filterFunc(segment) {
+			result = append(result, id)
+		}
+	}
+	return result
+}
+
 // GetSegment returns segment info with provided id
 // include the unhealthy segment
 // if not segment is found, nil will be returned

internal/datacoord/segment_manager.go

@@ -557,24 +557,16 @@ func (s *SegmentManager) SealAllSegments(ctx context.Context, collectionID Uniqu
 	if len(segIDs) != 0 {
 		segCandidates = segIDs
 	}
-	for _, id := range segCandidates {
-		info := s.meta.GetHealthySegment(id)
-		if info == nil {
-			log.Warn("failed to get seg info from meta", zap.Int64("segmentID", id))
-			continue
-		}
-		if info.CollectionID != collectionID {
-			continue
-		}
-		// idempotent sealed
-		if info.State == commonpb.SegmentState_Sealed {
-			ret = append(ret, id)
-			continue
-		}
-		// segment can be sealed only if it is growing.
-		if info.State != commonpb.SegmentState_Growing {
-			continue
-		}
+
+	sealedSegments := s.meta.GetSegments(segCandidates, func(segment *SegmentInfo) bool {
+		return segment.CollectionID == collectionID && isSegmentHealthy(segment) && segment.State == commonpb.SegmentState_Sealed
+	})
+	growingSegments := s.meta.GetSegments(segCandidates, func(segment *SegmentInfo) bool {
+		return segment.CollectionID == collectionID && isSegmentHealthy(segment) && segment.State == commonpb.SegmentState_Growing
+	})
+	ret = append(ret, sealedSegments...)
+
+	for _, id := range growingSegments {
 		if err := s.meta.SetState(id, commonpb.SegmentState_Sealed); err != nil {
 			return nil, err
 		}