diff --git a/pkg/mcs/scheduling/server/grpc_service.go b/pkg/mcs/scheduling/server/grpc_service.go
index f4fe606b403..589be52fc18 100644
--- a/pkg/mcs/scheduling/server/grpc_service.go
+++ b/pkg/mcs/scheduling/server/grpc_service.go
@@ -325,6 +325,7 @@ func (s *Service) AskBatchSplit(_ context.Context, request *schedulingpb.AskBatc
 	// If region splits during the scheduling process, regions with abnormal
 	// status may be left, and these regions need to be checked with higher
 	// priority.
+	log.Info("AskBatchSplit", zap.Reflect("recordRegions", recordRegions))
 	c.GetCoordinator().GetCheckerController().AddPendingProcessedRegions(false, recordRegions...)
 
 	return &schedulingpb.AskBatchSplitResponse{
diff --git a/pkg/schedule/checker/checker_controller.go b/pkg/schedule/checker/checker_controller.go
index 587cf2f80cf..3b879d1649e 100644
--- a/pkg/schedule/checker/checker_controller.go
+++ b/pkg/schedule/checker/checker_controller.go
@@ -363,6 +363,7 @@ func (c *Controller) tryAddOperators(region *core.RegionInfo) {
 		c.opController.AddWaitingOperator(ops...)
 		c.RemovePendingProcessedRegion(id)
 	} else {
+		log.Info("tryAddOperators exceed store limit", zap.Uint64("region-id", id))
 		c.AddPendingProcessedRegions(true, id)
 	}
 }
@@ -439,6 +440,7 @@ func (c *Controller) CheckSuspectRanges() {
 			if lastRegion.GetEndKey() != nil && bytes.Compare(lastRegion.GetEndKey(), keyRange[1]) < 0 {
 				c.AddSuspectKeyRange(lastRegion.GetEndKey(), keyRange[1])
 			}
+			log.Info("CheckSuspectRanges", zap.Reflect("regionIDList", regionIDList))
 			c.AddPendingProcessedRegions(false, regionIDList...)
 		}
 	}
diff --git a/pkg/schedule/handler/handler.go b/pkg/schedule/handler/handler.go
index a8540b4b5f4..60a0550f9a5 100644
--- a/pkg/schedule/handler/handler.go
+++ b/pkg/schedule/handler/handler.go
@@ -1126,6 +1126,7 @@ func (h *Handler) AccelerateRegionsScheduleInRange(rawStartKey, rawEndKey string
 		for _, region := range regions {
 			regionsIDList = append(regionsIDList, region.GetID())
 		}
+		log.Info("AccelerateRegionsScheduleInRange", zap.Reflect("regionIDList", regionsIDList))
 		co.GetCheckerController().AddPendingProcessedRegions(false, regionsIDList...)
 	}
 	return nil
@@ -1153,6 +1154,7 @@ func (h *Handler) AccelerateRegionsScheduleInRanges(startKeys [][]byte, endKeys
 		for _, region := range regions {
 			regionsIDList = append(regionsIDList, region.GetID())
 		}
+		log.Info("AccelerateRegionsScheduleInRanges", zap.Reflect("regionIDList", regionsIDList))
 		co.GetCheckerController().AddPendingProcessedRegions(false, regionsIDList...)
 	}
 	return nil
diff --git a/server/cluster/cluster_worker.go b/server/cluster/cluster_worker.go
index c14ceff2153..34070d7b60d 100644
--- a/server/cluster/cluster_worker.go
+++ b/server/cluster/cluster_worker.go
@@ -165,6 +165,7 @@ func (c *RaftCluster) HandleAskBatchSplit(request *pdpb.AskBatchSplitRequest) (*
 	// If region splits during the scheduling process, regions with abnormal
 	// status may be left, and these regions need to be checked with higher
 	// priority.
+	log.Info("HandleAskBatchSplit", zap.Reflect("recordRegions", recordRegions))
 	c.AddPendingProcessedRegions(false, recordRegions...)
 
 	resp := &pdpb.AskBatchSplitResponse{Ids: splitIDs}