diff --git a/src/storage/memtable/ob_memtable.cpp b/src/storage/memtable/ob_memtable.cpp
index 6d57c8328f..7e70de26c0 100644
--- a/src/storage/memtable/ob_memtable.cpp
+++ b/src/storage/memtable/ob_memtable.cpp
@@ -218,11 +218,15 @@ void ObMemtable::destroy()
   ObTimeGuard time_guard("ObMemtable::destroy()", 100 * 1000);
   int ret = OB_SUCCESS;
   if (is_inited_) {
+    const common::ObTabletID tablet_id = key_.tablet_id_;
+    const int64_t cost_time = ObTimeUtility::current_time() - mt_stat_.release_time_;
+    if (cost_time > 1 * 1000 * 1000) {
+      STORAGE_LOG(WARN, "it costs too much time from release to destroy", K(cost_time), K(tablet_id), KP(this));
+    }
     STORAGE_LOG(INFO, "memtable destroyed", K(*this));
     time_guard.click();
     ObMemtableStat::get_instance().unregister_memtable(this);
     time_guard.click();
-    const common::ObTabletID tablet_id = key_.tablet_id_;
     ObTenantFreezer *freezer = nullptr;
     freezer = MTL(ObTenantFreezer *);
     if (OB_SUCCESS != freezer->unset_tenant_slow_freeze(tablet_id)) {
diff --git a/src/storage/memtable/ob_memtable.h b/src/storage/memtable/ob_memtable.h
index 12756f1a56..1954afd224 100644
--- a/src/storage/memtable/ob_memtable.h
+++ b/src/storage/memtable/ob_memtable.h
@@ -466,7 +466,7 @@ public:
                      bool &is_all_delay_cleanout,
                      int64_t &count);
   int dump2text(const char *fname);
-  INHERIT_TO_STRING_KV("ObITable", ObITable, KP(this), K_(timestamp), K_(state),
+  INHERIT_TO_STRING_KV("ObITable", ObITable, KP(this), KP_(memtable_mgr), K_(timestamp), K_(state),
                        K_(freeze_clock), K_(max_schema_version), K_(write_ref_cnt), K_(local_allocator),
                        K_(unsubmitted_cnt), K_(unsynced_cnt),
                        K_(logging_blocked), K_(unset_active_memtable_logging_blocked), K_(resolve_active_memtable_left_boundary),
diff --git a/src/storage/ob_i_memtable_mgr.cpp b/src/storage/ob_i_memtable_mgr.cpp
index afa2653e7e..909538bbf7 100644
--- a/src/storage/ob_i_memtable_mgr.cpp
+++ b/src/storage/ob_i_memtable_mgr.cpp
@@ -349,7 +349,7 @@ int ObIMemtableMgr::add_memtable_(ObTableHandleV2 &memtable_handle)
       memtable_tail_++;
       ObTaskController::get().allow_next_syslog();
       // FIXME : delete lbt()
-      STORAGE_LOG(INFO, "succeed to add memtable", K(get_memtable_count_()),
+      STORAGE_LOG(INFO, "succeed to add memtable", KP(this), K(get_memtable_count_()),
           K(memtable_handle), K(lbt()));
     }
   }
diff --git a/src/storage/tablet/ob_tablet_memtable_mgr.cpp b/src/storage/tablet/ob_tablet_memtable_mgr.cpp
index 07d38122f1..975123d4b7 100644
--- a/src/storage/tablet/ob_tablet_memtable_mgr.cpp
+++ b/src/storage/tablet/ob_tablet_memtable_mgr.cpp
@@ -64,6 +64,7 @@ void ObTabletMemtableMgr::destroy()
     } else if (imemtable->is_data_memtable()) {
       memtable::ObMemtable *memtable = static_cast<memtable::ObMemtable *>(imemtable);
       memtable->remove_from_data_checkpoint();
+      memtable->set_frozen();
     }
   }
   reset_tables();
@@ -644,9 +645,7 @@ int ObTabletMemtableMgr::release_head_memtable_(memtable::ObIMemtable *imemtable
       memtable->remove_from_data_checkpoint();
       memtable->set_is_flushed();
       memtable->set_freeze_state(ObMemtableFreezeState::RELEASED);
-      if (force) {
-        memtable->set_frozen();
-      }
+      memtable->set_frozen();
       release_head_memtable();
       FLOG_INFO("succeed to release head data memtable", K(ret), K(ls_id), K(tablet_id_));
     }
@@ -754,7 +753,15 @@ int64_t ObTabletMemtableMgr::get_unmerged_memtable_count_() const
 
 void ObTabletMemtableMgr::clean_tail_memtable_()
 {
-  ObIMemtableMgr::release_tail_memtable();
+  if (memtable_tail_ > memtable_head_) {
+    ObMemtable *memtable = get_memtable_(memtable_tail_ - 1);
+    if (OB_NOT_NULL(memtable)) {
+      memtable->set_frozen();
+    } else {
+      LOG_WARN_RET(OB_ERR_UNEXPECTED, "memtable is null when clean_tail_memtable_", KPC(this));
+    }
+    ObIMemtableMgr::release_tail_memtable();
+  }
 }
 
 int ObTabletMemtableMgr::get_memtables_(ObTableHdlArray &handle, const int64_t start_point,