diff --git a/src/share/scheduler/ob_dag_scheduler_config.h b/src/share/scheduler/ob_dag_scheduler_config.h
index eb50c7bbfd..3d335b6abb 100644
--- a/src/share/scheduler/ob_dag_scheduler_config.h
+++ b/src/share/scheduler/ob_dag_scheduler_config.h
@@ -58,7 +58,7 @@ DAG_SCHEDULER_DAG_TYPE_DEF(DAG_TYPE_TX_TABLE_MERGE, ObDagPrio::DAG_PRIO_COMPACTI
     false, 3, {"ls_id", "tablet_id", "compaction_scn"})
 DAG_SCHEDULER_DAG_TYPE_DEF(DAG_TYPE_WRITE_CKPT, ObDagPrio::DAG_PRIO_COMPACTION_LOW, ObSysTaskType::WRITE_CKPT_TASK, "WRITE_CKPT", "COMPACTION",
     false, 2, {"ls_id", "tablet_id"})
-DAG_SCHEDULER_DAG_TYPE_DEF(DAG_TYPE_MDS_TABLE_MERGE, ObDagPrio::DAG_PRIO_COMPACTION_HIGH, ObSysTaskType::MDS_TABLE_MERGE_TASK, "MDS_TABLE_MERGE", "COMPACTION",
+DAG_SCHEDULER_DAG_TYPE_DEF(DAG_TYPE_MDS_MINI_MERGE, ObDagPrio::DAG_PRIO_COMPACTION_HIGH, ObSysTaskType::MDS_MINI_MERGE_TASK, "MDS_MINI_MERGE", "COMPACTION",
     false, 3, {"ls_id", "tablet_id", "flush_scn"})
 DAG_SCHEDULER_DAG_TYPE_DEF(DAG_TYPE_BATCH_FREEZE_TABLETS, ObDagPrio::DAG_PRIO_COMPACTION_HIGH, ObSysTaskType::BATCH_FREEZE_TABLET_TASK, "BATCH_FREEZE", "COMPACTION",
     false, 2, {"ls_id", "tablet_count"})
diff --git a/src/share/scheduler/ob_sys_task_stat.cpp b/src/share/scheduler/ob_sys_task_stat.cpp
index d94a28a3a4..bb9c63ef72 100644
--- a/src/share/scheduler/ob_sys_task_stat.cpp
+++ b/src/share/scheduler/ob_sys_task_stat.cpp
@@ -37,7 +37,7 @@ const static char *ObSysTaskTypeStr[] = {
     "BACKFILL_TX",
     "REMOVE_MEMBER",
     "TRANSFER",
-    "MDS_TABLE_MERGE",
+    "MDS_MINI_MERGE",
     "TTL_TASK",
     "TENANT_SNAPSHOT_CREATE",
     "TENANT_SNAPSHOT_GC",
diff --git a/src/share/scheduler/ob_sys_task_stat.h b/src/share/scheduler/ob_sys_task_stat.h
index 3144b21dda..d8000279b9 100644
--- a/src/share/scheduler/ob_sys_task_stat.h
+++ b/src/share/scheduler/ob_sys_task_stat.h
@@ -50,7 +50,7 @@ enum ObSysTaskType
   BACKFILL_TX_TASK,
   REMOVE_MEMBER_TASK,
   TRANSFER_TASK,
-  MDS_TABLE_MERGE_TASK,
+  MDS_MINI_MERGE_TASK,
   TABLE_API_TTL_TASK,
   TENANT_SNAPSHOT_CREATE_TASK,
   TENANT_SNAPSHOT_GC_TASK,
diff --git a/src/share/scheduler/ob_tenant_dag_scheduler.h b/src/share/scheduler/ob_tenant_dag_scheduler.h
index 920c879677..1c06260e05 100644
--- a/src/share/scheduler/ob_tenant_dag_scheduler.h
+++ b/src/share/scheduler/ob_tenant_dag_scheduler.h
@@ -206,7 +206,7 @@ public:
     TASK_TYPE_DDL_KV_MERGE = 50,
     TASK_TYPE_TRANSFER_BACKFILL_TX = 51,
     TASK_TYPE_TRANSFER_REPLACE_TABLE = 52,
-    TASK_TYPE_MDS_TABLE_MERGE = 53,
+    TASK_TYPE_MDS_MINI_MERGE = 53,
     TASK_TYPE_TTL_DELETE = 54,
     TASK_TYPE_TENANT_SNAPSHOT_CREATE = 55,
     TASK_TYPE_TENANT_SNAPSHOT_GC = 56,
@@ -1390,7 +1390,7 @@ inline bool is_compaction_dag(ObDagType::ObDagTypeEnum dag_type)
          ObDagType::DAG_TYPE_MINI_MERGE == dag_type ||
          ObDagType::DAG_TYPE_MERGE_EXECUTE == dag_type ||
          ObDagType::DAG_TYPE_TX_TABLE_MERGE == dag_type ||
-         ObDagType::DAG_TYPE_MDS_TABLE_MERGE == dag_type ||
+         ObDagType::DAG_TYPE_MDS_MINI_MERGE == dag_type ||
          ObDagType::DAG_TYPE_BATCH_FREEZE_TABLETS == dag_type;
 }
 
diff --git a/src/storage/compaction/ob_compaction_suggestion.cpp b/src/storage/compaction/ob_compaction_suggestion.cpp
index bfbebd838c..dc1c353ef2 100644
--- a/src/storage/compaction/ob_compaction_suggestion.cpp
+++ b/src/storage/compaction/ob_compaction_suggestion.cpp
@@ -207,7 +207,7 @@ int64_t ObCompactionDagStatus::to_string(char *buf, const int64_t buf_len) const
     J_OBJ_START();
     // mini
     J_TMP_STRING(ObDagType::DAG_TYPE_MINI_MERGE);
-    J_TMP_STRING(ObDagType::DAG_TYPE_MDS_TABLE_MERGE);
+    J_TMP_STRING(ObDagType::DAG_TYPE_MDS_MINI_MERGE);
     J_TMP_STRING(ObDagType::DAG_TYPE_TX_TABLE_MERGE);
     // minor
     J_TMP_STRING(ObDagType::DAG_TYPE_MERGE_EXECUTE);
@@ -394,7 +394,7 @@ int ObCompactionSuggestionMgr::analyze_for_suggestion(
       "suggest", ObCompactionSuggestionMgr::get_add_thread_suggestion(priority));
   if (share::ObDagPrio::DAG_PRIO_COMPACTION_HIGH == priority) {
     ADD_COMPACTION_DAG_INFO_PARAM(ObDagType::ObDagTypeEnum::DAG_TYPE_MINI_MERGE);
-    ADD_COMPACTION_DAG_INFO_PARAM(ObDagType::ObDagTypeEnum::DAG_TYPE_MDS_TABLE_MERGE);
+    ADD_COMPACTION_DAG_INFO_PARAM(ObDagType::ObDagTypeEnum::DAG_TYPE_MDS_MINI_MERGE);
     ADD_COMPACTION_DAG_INFO_PARAM(ObDagType::ObDagTypeEnum::DAG_TYPE_TX_TABLE_MERGE);
   } else if (share::ObDagPrio::DAG_PRIO_COMPACTION_MID == priority) {
     ADD_COMPACTION_DAG_INFO_PARAM(ObDagType::ObDagTypeEnum::DAG_TYPE_MERGE_EXECUTE);
diff --git a/src/storage/compaction/ob_compaction_suggestion.h b/src/storage/compaction/ob_compaction_suggestion.h
index f4b3357be1..103a6486e3 100644
--- a/src/storage/compaction/ob_compaction_suggestion.h
+++ b/src/storage/compaction/ob_compaction_suggestion.h
@@ -184,7 +184,7 @@ struct ObCompactionDagStatus final
 
   DECLARE_TO_STRING;
 
-  // max COMPACTION mode dag is DAG_TYPE_MDS_TABLE_MERGE, which is 9
+  // max COMPACTION mode dag is DAG_TYPE_MDS_MINI_MERGE, which is 9
   static const int64_t COMPACTION_DAG_MAX = 10;
   // max COMPACTION prio DAG_PRIO_COMPACTION_LOW = 4
   static const int64_t COMPACTION_PRIORITY_MAX = 5;
diff --git a/src/storage/compaction/ob_compaction_util.cpp b/src/storage/compaction/ob_compaction_util.cpp
index 9ac2515d12..cf2d1884ff 100644
--- a/src/storage/compaction/ob_compaction_util.cpp
+++ b/src/storage/compaction/ob_compaction_util.cpp
@@ -26,7 +26,7 @@ const static char * ObMergeTypeStr[] = {
     "MEDIUM_MERGE",
     "DDL_KV_MERGE",
     "BACKFILL_TX_MERGE",
-    "MDS_TABLE_MERGE",
+    "MDS_MINI_MERGE",
     "EMPTY_MERGE_TYPE"
 };
 
diff --git a/src/storage/compaction/ob_compaction_util.h b/src/storage/compaction/ob_compaction_util.h
index 7e2b1ac9be..b205304953 100644
--- a/src/storage/compaction/ob_compaction_util.h
+++ b/src/storage/compaction/ob_compaction_util.h
@@ -28,7 +28,7 @@ enum ObMergeType
   MEDIUM_MERGE = 5,
   DDL_KV_MERGE = 6, // only use for ddl dag
   BACKFILL_TX_MERGE = 7,
-  MDS_TABLE_MERGE = 8,
+  MDS_MINI_MERGE = 8,
   // add new merge type here
   // fix merge_type_to_str & ObPartitionMergePolicy::get_merge_tables
   MERGE_TYPE_MAX
@@ -88,7 +88,7 @@ inline bool is_backfill_tx_merge(const ObMergeType &merge_type)
 }
 inline bool is_mds_table_merge(const ObMergeType &merge_type)
 {
-  return MDS_TABLE_MERGE == merge_type;
+  return MDS_MINI_MERGE == merge_type;
 }
 
 enum ObMergeLevel : uint8_t
diff --git a/src/storage/multi_data_source/mds_table_base.cpp b/src/storage/multi_data_source/mds_table_base.cpp
index 9c9bb4bdb6..8cb74ec7fe 100644
--- a/src/storage/multi_data_source/mds_table_base.cpp
+++ b/src/storage/multi_data_source/mds_table_base.cpp
@@ -188,7 +188,7 @@ int MdsTableBase::merge(const int64_t construct_sequence, const share::SCN &flus
   param.flush_scn_ = flushing_scn;
   param.mds_construct_sequence_ = construct_sequence;
   param.generate_ts_ = ObClockGenerator::getClock();
-  param.merge_type_ = compaction::ObMergeType::MDS_TABLE_MERGE;
+  param.merge_type_ = compaction::ObMergeType::MDS_MINI_MERGE;
   param.merge_version_ = 0;
   if (OB_FAIL(compaction::ObScheduleDagFunc::schedule_mds_table_merge_dag(param))) {
     if (OB_EAGAIN != ret && OB_SIZE_OVERFLOW != ret) {
diff --git a/src/storage/multi_data_source/ob_mds_table_merge_dag.cpp b/src/storage/multi_data_source/ob_mds_table_merge_dag.cpp
index f4440c56df..c7716e09ac 100644
--- a/src/storage/multi_data_source/ob_mds_table_merge_dag.cpp
+++ b/src/storage/multi_data_source/ob_mds_table_merge_dag.cpp
@@ -30,7 +30,7 @@ namespace storage
 namespace mds
 {
 ObMdsTableMergeDag::ObMdsTableMergeDag()
-  : ObTabletMergeDag(ObDagType::DAG_TYPE_MDS_TABLE_MERGE),
+  : ObTabletMergeDag(ObDagType::DAG_TYPE_MDS_MINI_MERGE),
     is_inited_(false),
     flush_scn_(),
     generate_ts_(0),
diff --git a/src/storage/multi_data_source/ob_mds_table_merge_task.cpp b/src/storage/multi_data_source/ob_mds_table_merge_task.cpp
index b7e9206d43..63a3edd789 100644
--- a/src/storage/multi_data_source/ob_mds_table_merge_task.cpp
+++ b/src/storage/multi_data_source/ob_mds_table_merge_task.cpp
@@ -33,7 +33,7 @@ namespace storage
 namespace mds
 {
 ObMdsTableMergeTask::ObMdsTableMergeTask()
-  : ObITask(ObITaskType::TASK_TYPE_MDS_TABLE_MERGE),
+  : ObITask(ObITaskType::TASK_TYPE_MDS_MINI_MERGE),
     is_inited_(false),
     mds_merge_dag_(nullptr)
 {
@@ -48,7 +48,7 @@ int ObMdsTableMergeTask::init()
   } else if (OB_ISNULL(dag_)) {
     ret = OB_ERR_SYS;
     LOG_WARN("dag must not be null", K(ret));
-  } else if (OB_UNLIKELY(ObDagType::ObDagTypeEnum::DAG_TYPE_MDS_TABLE_MERGE != dag_->get_type())) {
+  } else if (OB_UNLIKELY(ObDagType::ObDagTypeEnum::DAG_TYPE_MDS_MINI_MERGE != dag_->get_type())) {
     ret = OB_ERR_SYS;
     LOG_ERROR("dag type not match", K(ret), KPC_(dag));
   } else {
diff --git a/src/storage/ob_i_table.cpp b/src/storage/ob_i_table.cpp
index 9507288396..b46fd61b53 100644
--- a/src/storage/ob_i_table.cpp
+++ b/src/storage/ob_i_table.cpp
@@ -74,8 +74,7 @@ const char* ObITable::table_type_name_[] =
   "DDL_MERGE_CO",
   "DDL_MERGE_CG",
   "DDL_MEM_CO",
-  "DDL_MEM_CG",
-  "MDS"
+  "DDL_MEM_CG"
 };
 
 uint64_t ObITable::TableKey::hash() const
diff --git a/src/storage/ob_i_table.h b/src/storage/ob_i_table.h
index 27f6bae58a..f10bc4f769 100644
--- a/src/storage/ob_i_table.h
+++ b/src/storage/ob_i_table.h
@@ -101,7 +101,6 @@ public:
     DDL_MERGE_CG_SSTABLE = 22, // used for column store ddl, for normal cg sstable, rowkey cg not supported
     DDL_MEM_CO_SSTABLE = 23,
     DDL_MEM_CG_SSTABLE = 24,
-    MDS_SSTABLE = 25,
     // < add new sstable before here, See is_sstable()
 
     MAX_TABLE_TYPE
diff --git a/src/storage/tablet/ob_tablet.cpp b/src/storage/tablet/ob_tablet.cpp
index 6d9a5b540d..c673ce86e6 100644
--- a/src/storage/tablet/ob_tablet.cpp
+++ b/src/storage/tablet/ob_tablet.cpp
@@ -1112,7 +1112,7 @@ int ObTablet::init_with_update_medium_info(
       if (old_tablet.get_tablet_meta().has_next_tablet_) {
         set_next_tablet_guard(old_tablet.next_tablet_guard_);
       }
-      LOG_INFO("succeeded to init tablet with update medium info", K(ret), K(this), K(old_tablet));
+      LOG_INFO("succeeded to init tablet with update medium info", K(ret), KPC(this));
       is_inited_ = true;
     }
   }