diff --git a/src/sql/engine/pdml/static/ob_px_sstable_insert_op.cpp b/src/sql/engine/pdml/static/ob_px_sstable_insert_op.cpp
index 19b05c9000..358c64fc4c 100644
--- a/src/sql/engine/pdml/static/ob_px_sstable_insert_op.cpp
+++ b/src/sql/engine/pdml/static/ob_px_sstable_insert_op.cpp
@@ -308,6 +308,8 @@ int ObPxMultiPartSSTableInsertOp::get_next_row_with_cache()
         datum.set_uint(next_autoinc_val);
         auto_inc_expr->set_evaluated_projected(eval_ctx_);
         ddl_task_id_ = tablet_seq_caches_.at(curr_tablet_idx_).task_id_;
+        LOG_INFO("update ddl parallel id", K(ret), K(curr_tablet_idx_), K(ddl_task_id_),
+            "cache_interval", tablet_seq_caches_.at(curr_tablet_idx_));
       }
     }
   } else {
diff --git a/src/storage/ddl/ob_direct_insert_sstable_ctx.cpp b/src/storage/ddl/ob_direct_insert_sstable_ctx.cpp
index 4f96c699f6..e40fa13191 100644
--- a/src/storage/ddl/ob_direct_insert_sstable_ctx.cpp
+++ b/src/storage/ddl/ob_direct_insert_sstable_ctx.cpp
@@ -676,6 +676,8 @@ int ObSSTableInsertTabletContext::construct_sstable_slice_writer(
       LOG_WARN("fail to new ObSSTableInsertSliceWriter", KR(ret));
     } else if (OB_FAIL(sstable_slice_writer->init(slice_param, table_schema, ddl_kv_mgr_handle_))) {
       LOG_WARN("fail to init sstable slice writer", KR(ret), K(slice_param));
+    } else {
+      LOG_INFO("init sstable slice writer finished", K(ret), K(slice_param));
     }
     if (OB_FAIL(ret)) {
       if (nullptr != sstable_slice_writer) {