diff --git a/deps/oblib/src/lib/alloc/malloc_hook.cpp b/deps/oblib/src/lib/alloc/malloc_hook.cpp
index 47323d407f..6d295f6676 100644
--- a/deps/oblib/src/lib/alloc/malloc_hook.cpp
+++ b/deps/oblib/src/lib/alloc/malloc_hook.cpp
@@ -61,6 +61,7 @@ void *ob_malloc_retry(size_t size)
   do {
     ObMemAttr attr = ObMallocHookAttrGuard::get_tl_mem_attr();
     SET_USE_500(attr);
+    attr.ctx_id_ = ObCtxIds::GLIBC;
     ptr = ob_malloc(size, attr);
     if (OB_ISNULL(ptr)) {
       attr.tenant_id_ = OB_SERVER_TENANT_ID;
diff --git a/deps/oblib/src/lib/alloc/ob_malloc_allocator.cpp b/deps/oblib/src/lib/alloc/ob_malloc_allocator.cpp
index 078d7eceef..fd2f959864 100644
--- a/deps/oblib/src/lib/alloc/ob_malloc_allocator.cpp
+++ b/deps/oblib/src/lib/alloc/ob_malloc_allocator.cpp
@@ -739,9 +739,17 @@ int ObMallocAllocator::recycle_tenant_allocator(uint64_t tenant_id)
         char first_label[AOBJECT_LABEL_SIZE + 1] = {'\0'};
         bool has_unfree = ctx_allocator->check_has_unfree(first_label);
         if (has_unfree) {
-          LOG_ERROR("tenant memory leak!!!", K(tenant_id), K(ctx_id),
-                    "ctx_name", get_global_ctx_info().get_ctx_name(ctx_id),
-                    "label", first_label);
+          if (ObCtxIds::GLIBC == ctx_id
+              && 0 == strncmp("Pl", first_label, 2)
+              && pl_leaked_times_++ < 10) {
+            LOG_WARN("tenant memory leak!!!", K(tenant_id), K(ctx_id),
+                     "ctx_name", get_global_ctx_info().get_ctx_name(ctx_id),
+                     "label", first_label);
+          } else {
+            LOG_ERROR("tenant memory leak!!!", K(tenant_id), K(ctx_id),
+                      "ctx_name", get_global_ctx_info().get_ctx_name(ctx_id),
+                      "label", first_label);
+          }
           tas[ctx_id] = ctx_allocator;
         }
       }
diff --git a/deps/oblib/src/lib/alloc/ob_malloc_allocator.h b/deps/oblib/src/lib/alloc/ob_malloc_allocator.h
index b0d87f9968..f1ee349502 100644
--- a/deps/oblib/src/lib/alloc/ob_malloc_allocator.h
+++ b/deps/oblib/src/lib/alloc/ob_malloc_allocator.h
@@ -160,6 +160,7 @@ public:
 #endif
 public:
   bool force_explict_500_malloc_ = false;
+  bool pl_leaked_times_ = 0;
 private:
   DISALLOW_COPY_AND_ASSIGN(ObMallocAllocator);
   class BucketLock