diff --git a/src/share/ob_rpc_struct.cpp b/src/share/ob_rpc_struct.cpp
index 3f664f08b..b75cc2f61 100644
--- a/src/share/ob_rpc_struct.cpp
+++ b/src/share/ob_rpc_struct.cpp
@@ -8975,7 +8975,8 @@ OB_DEF_SERIALIZE(ObDDLBuildSingleReplicaRequestArg)
     parallelism_, tablet_task_id_, data_format_version_, consumer_group_id_, dest_tenant_id_,
     dest_ls_id_, dest_schema_version_,
     compaction_scn_, can_reuse_macro_block_, split_sstable_type_,
-    lob_col_idxs_, parallel_datum_rowkey_list_, is_no_logging_);
+    lob_col_idxs_, parallel_datum_rowkey_list_, is_no_logging_,
+    min_split_start_scn_);
   return ret;
 }
 
@@ -8994,7 +8995,7 @@ OB_DEF_DESERIALIZE(ObDDLBuildSingleReplicaRequestArg)
   }
 
   if (OB_SUCC(ret)) {
-    LST_DO_CODE(is_no_logging_)
+    LST_DO_CODE(OB_UNIS_DECODE, is_no_logging_, min_split_start_scn_);
   }
   return ret;
 }
@@ -9007,7 +9008,8 @@ OB_DEF_SERIALIZE_SIZE(ObDDLBuildSingleReplicaRequestArg)
     parallelism_, tablet_task_id_, data_format_version_, consumer_group_id_, dest_tenant_id_,
     dest_ls_id_, dest_schema_version_,
     compaction_scn_, can_reuse_macro_block_, split_sstable_type_,
-    lob_col_idxs_, parallel_datum_rowkey_list_, is_no_logging_);
+    lob_col_idxs_, parallel_datum_rowkey_list_, is_no_logging_,
+    min_split_start_scn_);
   return len;
 }
 
@@ -9053,6 +9055,7 @@ int ObDDLBuildSingleReplicaRequestArg::assign(const ObDDLBuildSingleReplicaReque
     compaction_scn_ = other.compaction_scn_;
     can_reuse_macro_block_ = other.can_reuse_macro_block_;
     split_sstable_type_ = other.split_sstable_type_;
+    min_split_start_scn_ = other.min_split_start_scn_;
   }
   return ret;
 }
@@ -9163,6 +9166,7 @@ int ObTabletSplitArg::assign(const ObTabletSplitArg &other)
     consumer_group_id_     = other.consumer_group_id_;
     can_reuse_macro_block_ = other.can_reuse_macro_block_;
     split_sstable_type_    = other.split_sstable_type_;
+    min_split_start_scn_   = other.min_split_start_scn_;
   }
   return ret;
 }
@@ -9193,6 +9197,8 @@ int ObTabletSplitStartResult::assign(const ObTabletSplitStartResult &other)
   int ret = OB_SUCCESS;
   if (OB_FAIL(ret_codes_.assign(other.ret_codes_))) {
     LOG_WARN("failed to assign to ret_codes_", K(ret));
+  } else {
+    min_split_start_scn_ = other.min_split_start_scn_;
   }
   return ret;
 }
@@ -9234,7 +9240,7 @@ OB_DEF_SERIALIZE(ObTabletSplitArg)
     schema_version_, task_id_, source_tablet_id_,
     dest_tablets_id_, compaction_scn_, data_format_version_,
     consumer_group_id_, can_reuse_macro_block_, split_sstable_type_,
-    lob_col_idxs_, parallel_datum_rowkey_list_);
+    lob_col_idxs_, parallel_datum_rowkey_list_, min_split_start_scn_);
   return ret;
 }
 
@@ -9249,6 +9255,8 @@ OB_DEF_DESERIALIZE(ObTabletSplitArg)
   if (FAILEDx(ObSplitUtil::deserializ_parallel_datum_rowkey(
       rowkey_allocator_, buf, data_len, pos, parallel_datum_rowkey_list_))) {
     LOG_WARN("deserialzie parallel info failed", K(ret));
+  } else {
+    LST_DO_CODE(OB_UNIS_DECODE, min_split_start_scn_);
   }
   return ret;
 }
@@ -9260,12 +9268,12 @@ OB_DEF_SERIALIZE_SIZE(ObTabletSplitArg)
     schema_version_, task_id_, source_tablet_id_,
     dest_tablets_id_, compaction_scn_, data_format_version_,
     consumer_group_id_, can_reuse_macro_block_, split_sstable_type_,
-    lob_col_idxs_, parallel_datum_rowkey_list_);
+    lob_col_idxs_, parallel_datum_rowkey_list_, min_split_start_scn_);
   return len;
 }
 
 OB_SERIALIZE_MEMBER(ObTabletSplitStartArg, split_info_array_);
-OB_SERIALIZE_MEMBER(ObTabletSplitStartResult, ret_codes_);
+OB_SERIALIZE_MEMBER(ObTabletSplitStartResult, ret_codes_, min_split_start_scn_);
 OB_SERIALIZE_MEMBER(ObTabletSplitFinishArg, split_info_array_);
 OB_SERIALIZE_MEMBER(ObTabletSplitFinishResult, ret_codes_);
 
diff --git a/src/share/ob_rpc_struct.h b/src/share/ob_rpc_struct.h
index b99fb0d64..991a4d88a 100644
--- a/src/share/ob_rpc_struct.h
+++ b/src/share/ob_rpc_struct.h
@@ -10548,7 +10548,9 @@ public:
       schema_version_(0), snapshot_version_(0), ddl_type_(0), task_id_(0), parallelism_(0), execution_id_(-1), tablet_task_id_(0),
       data_format_version_(0), consumer_group_id_(0), dest_tenant_id_(OB_INVALID_ID), dest_ls_id_(), dest_schema_version_(0),
       compaction_scn_(0), can_reuse_macro_block_(false), split_sstable_type_(share::ObSplitSSTableType::SPLIT_BOTH),
-      lob_col_idxs_(), parallel_datum_rowkey_list_(), is_no_logging_(false)
+      lob_col_idxs_(), parallel_datum_rowkey_list_(), is_no_logging_(false),
+      min_split_start_scn_()
+
   {}
   bool is_valid() const;
   int assign(const ObDDLBuildSingleReplicaRequestArg &other);
@@ -10557,7 +10559,7 @@ public:
     K_(task_id), K_(parallelism), K_(execution_id), K_(tablet_task_id), K_(data_format_version),
     K_(consumer_group_id), K_(dest_tenant_id), K_(dest_ls_id), K_(dest_schema_version),
     K_(compaction_scn), K_(can_reuse_macro_block), K_(split_sstable_type), K_(lob_col_idxs),
-    K_(parallel_datum_rowkey_list), K_(is_no_logging));
+    K_(parallel_datum_rowkey_list), K_(is_no_logging), K_(min_split_start_scn));
 public:
   common::ObArenaAllocator rowkey_allocator_; // alloc buf for datum rowkey.
   uint64_t tenant_id_;
@@ -10584,6 +10586,7 @@ public:
   ObSArray<uint64_t> lob_col_idxs_;
   common::ObSArray<blocksstable::ObDatumRowkey> parallel_datum_rowkey_list_;
   bool is_no_logging_;
+  share::SCN min_split_start_scn_;
 };
 
 struct ObDDLBuildSingleReplicaRequestResult final
@@ -10719,7 +10722,7 @@ public:
       schema_version_(0), task_id_(0), source_tablet_id_(),
       dest_tablets_id_(), compaction_scn_(0), data_format_version_(0),
       consumer_group_id_(0), can_reuse_macro_block_(false), split_sstable_type_(share::ObSplitSSTableType::SPLIT_BOTH),
-      lob_col_idxs_(), parallel_datum_rowkey_list_()
+      lob_col_idxs_(), parallel_datum_rowkey_list_(), min_split_start_scn_()
   {}
   ~ObTabletSplitArg() = default;
   bool is_valid() const;
@@ -10728,7 +10731,7 @@ public:
                K_(schema_version), K_(task_id), K_(source_tablet_id),
                K_(dest_tablets_id), K_(compaction_scn), K_(data_format_version),
                K_(consumer_group_id), K_(can_reuse_macro_block), K_(split_sstable_type),
-               K_(lob_col_idxs), K_(parallel_datum_rowkey_list));
+               K_(lob_col_idxs), K_(parallel_datum_rowkey_list), K_(min_split_start_scn));
 public:
   common::ObArenaAllocator rowkey_allocator_; // alloc buf for datum rowkey.
   share::ObLSID ls_id_;
@@ -10745,6 +10748,7 @@ public:
   share::ObSplitSSTableType split_sstable_type_;
   common::ObSEArray<uint64_t, 16> lob_col_idxs_;
   common::ObSArray<blocksstable::ObDatumRowkey> parallel_datum_rowkey_list_;
+  share::SCN min_split_start_scn_;
 };
 
 struct ObTabletSplitStartArg final
@@ -10767,13 +10771,14 @@ struct ObTabletSplitStartResult final
     OB_UNIS_VERSION(1);
 public:
   ObTabletSplitStartResult()
-    : ret_codes_()
+    : ret_codes_(), min_split_start_scn_()
   {}
   ~ObTabletSplitStartResult() = default;
   int assign(const ObTabletSplitStartResult &other);
-  TO_STRING_KV(K_(ret_codes));
+  TO_STRING_KV(K_(ret_codes), K_(min_split_start_scn));
 public:
   common::ObSArray<int> ret_codes_;
+  share::SCN min_split_start_scn_;
 };
 
 struct ObTabletSplitFinishArg final