Improve log (#13396)

Signed-off-by: Nsunby <bingyi.sun@zilliz.com>
Co-authored-by: Nsunby <bingyi.sun@zilliz.com>

internal/datacoord/services.go

@@ -613,7 +613,7 @@ func (s *Server) GetFlushedSegments(ctx context.Context, req *datapb.GetFlushedS
 	}
 	collectionID := req.GetCollectionID()
 	partitionID := req.GetPartitionID()
-	log.Debug("GetFlushedSegment",
+	log.Debug("received get flushed segments request",
 		zap.Int64("collectionID", collectionID),
 		zap.Int64("partitionID", partitionID))
 	if s.isClosed() {