diff --git a/internal/datacoord/index_service.go b/internal/datacoord/index_service.go
index e4816ae334..d1e166d8fb 100644
--- a/internal/datacoord/index_service.go
+++ b/internal/datacoord/index_service.go
@@ -600,7 +600,7 @@ func (s *Server) completeIndexInfo(indexInfo *indexpb.IndexInfo, index *model.In
 		indexInfo.State = commonpb.IndexState_Finished
 	}
 
-	log.Info("completeIndexInfo success", zap.Int64("collectionID", index.CollectionID), zap.Int64("indexID", index.IndexID),
+	log.RatedInfo(60, "completeIndexInfo success", zap.Int64("collectionID", index.CollectionID), zap.Int64("indexID", index.IndexID),
 		zap.Int64("totalRows", indexInfo.TotalRows), zap.Int64("indexRows", indexInfo.IndexedRows),
 		zap.Int64("pendingIndexRows", indexInfo.PendingIndexRows),
 		zap.String("state", indexInfo.State.String()), zap.String("failReason", indexInfo.IndexStateFailReason))
@@ -678,11 +678,8 @@ func (s *Server) DescribeIndex(ctx context.Context, req *indexpb.DescribeIndexRe
 	log := log.Ctx(ctx).With(
 		zap.Int64("collectionID", req.GetCollectionID()),
 		zap.String("indexName", req.GetIndexName()),
-	)
-	log.Info("receive DescribeIndex request",
 		zap.Uint64("timestamp", req.GetTimestamp()),
 	)
-
 	if err := merr.CheckHealthy(s.GetStateCode()); err != nil {
 		log.Warn(msgDataCoordIsUnhealthy(paramtable.GetNodeID()), zap.Error(err))
 		return &indexpb.DescribeIndexResponse{
@@ -701,7 +698,7 @@ func (s *Server) DescribeIndex(ctx context.Context, req *indexpb.DescribeIndexRe
 
 	// The total rows of all indexes should be based on the current perspective
 	segments := s.selectSegmentIndexesStats(WithCollection(req.GetCollectionID()), SegmentFilterFunc(func(info *SegmentInfo) bool {
-		return (isFlush(info) || info.GetState() == commonpb.SegmentState_Dropped)
+		return isFlush(info) || info.GetState() == commonpb.SegmentState_Dropped
 	}))
 
 	indexInfos := make([]*indexpb.IndexInfo, 0)
@@ -727,7 +724,6 @@ func (s *Server) DescribeIndex(ctx context.Context, req *indexpb.DescribeIndexRe
 		s.completeIndexInfo(indexInfo, index, segments, false, createTs)
 		indexInfos = append(indexInfos, indexInfo)
 	}
-	log.Info("DescribeIndex success")
 	return &indexpb.DescribeIndexResponse{
 		Status:     merr.Success(),
 		IndexInfos: indexInfos,