diff --git a/src/storage/tablet/ob_i_tablet_mds_interface.ipp b/src/storage/tablet/ob_i_tablet_mds_interface.ipp
index 893442069..3a8c6c8c0 100644
--- a/src/storage/tablet/ob_i_tablet_mds_interface.ipp
+++ b/src/storage/tablet/ob_i_tablet_mds_interface.ipp
@@ -155,6 +155,11 @@ inline int ObITabletMdsInterface::get_mds_data_from_tablet<ObTabletCreateDeleteM
       MDS_LOG_GET(WARN, "failed to do read op", K(tablet_status_cache));
     }
   } else {
+    // for debug perf issue
+    if (tablet_status_addr.is_disk_object()) {
+      MDS_LOG_GET(ERROR, "tablet status addr is disk, but cache is invalid", K(tablet_status_addr), K(tablet_status_cache));
+    }
+
     if (CLICK_FAIL(ObTabletMdsData::load_mds_dump_kv(allocator, tablet_status_addr, kv))) {
       MDS_LOG_GET(WARN, "failed to load mds dump kv");
     } else if (nullptr == kv) {