diff --git a/src/sql/engine/dml/ob_multi_dml_plan_mgr.cpp b/src/sql/engine/dml/ob_multi_dml_plan_mgr.cpp
index 3c2b1db6d0b970da794d80c922ae711d84f99ed4..2e9f54f1e249beb0cfc4c5ec63ef00d5d4e232a7 100644
--- a/src/sql/engine/dml/ob_multi_dml_plan_mgr.cpp
+++ b/src/sql/engine/dml/ob_multi_dml_plan_mgr.cpp
@@ -31,6 +31,16 @@ public:
     part_values_.reset();
   }
   TO_STRING_KV(K_(runner_server), K_(part_values));
+  int assign(const ServerOpInfo &other)
+  {
+    int ret = OB_SUCCESS;
+    if (OB_FAIL(part_values_.assign(other.part_values_))) {
+      LOG_WARN("assign part_values failed", K(ret), K(other));
+    } else {
+      runner_server_ = other.runner_server_;
+    }
+    return ret;
+  }
 
   ObAddr runner_server_;
   ObSEArray<PartValuesInfo, 1> part_values_;
diff --git a/src/storage/ob_partition_service.cpp b/src/storage/ob_partition_service.cpp
index 5c85cb953c25c211e51576d3fd652f2af61e0983..fa2f44810903875c6bf31de0bfaedc00c148c01a 100644
--- a/src/storage/ob_partition_service.cpp
+++ b/src/storage/ob_partition_service.cpp
@@ -12660,6 +12660,9 @@ int ObPartitionService::check_tenant_pg_exist(const uint64_t tenant_id, bool& is
           STORAGE_LOG(WARN, "get partition failed", K(ret));
         } else if (partition->get_partition_key().get_tenant_id() == tenant_id) {
           is_exist = true;
+          if (REACH_TIME_INTERVAL(60 * 1000 * 1000)) {  // 1 minute
+            LOG_INFO("tenant partition exist", "pg_key", partition->get_partition_key());
+          }
           break;
         }
       }
diff --git a/src/storage/ob_pg_memory_garbage_collector.cpp b/src/storage/ob_pg_memory_garbage_collector.cpp
index 58691014bb1431925e8db9699b440184a060996d..6fc6c9e7e031a61210e131ed679a2771d2c90b5a 100644
--- a/src/storage/ob_pg_memory_garbage_collector.cpp
+++ b/src/storage/ob_pg_memory_garbage_collector.cpp
@@ -129,6 +129,9 @@ int ObPGMemoryGarbageCollector::check_tenant_pg_exist(const uint64_t tenant_id,
   {
     ObIPartitionGroup* pg = curr->get_pg();
     is_exist = pg->get_partition_key().get_tenant_id() == tenant_id;
+    if (REACH_TIME_INTERVAL(60 * 1000 * 1000)) {  // 1 minute
+      LOG_INFO("tenant pg memory garbage exist", "pg_key", pg->get_partition_key());
+    }
   }
   return ret;
 }
diff --git a/src/storage/ob_table_mgr.cpp b/src/storage/ob_table_mgr.cpp
index 6a2ef4a3148faaf697c9b48f4026f843446d884e..2ea56dcfe88f45522680855445b2472f5587ddd6 100644
--- a/src/storage/ob_table_mgr.cpp
+++ b/src/storage/ob_table_mgr.cpp
@@ -1049,7 +1049,9 @@ int ObTableMgr::check_tenant_sstable_exist(const uint64_t tenant_id, bool& is_ex
       ret = OB_ERR_SYS;
       LOG_ERROR("node must not null", K(ret), KP(table));
     } else if (!table->is_sstable()) {
-      // do nothing
+      if (REACH_TIME_INTERVAL(60 * 1000 * 1000)) {  // 1 minute
+        LOG_INFO("tenant sstable exist", "table_key", table->get_key());
+      }
     } else if (table->get_partition_key().get_tenant_id() == tenant_id) {
       is_exist = true;
       break;