diff --git a/deps/oblib/src/lib/alloc/ob_malloc_allocator.cpp b/deps/oblib/src/lib/alloc/ob_malloc_allocator.cpp
index d9ae19b30..4ba42d10b 100644
--- a/deps/oblib/src/lib/alloc/ob_malloc_allocator.cpp
+++ b/deps/oblib/src/lib/alloc/ob_malloc_allocator.cpp
@@ -298,6 +298,7 @@ int ObMallocAllocator::create_tenant_ctx_allocator(uint64_t tenant_id, uint64_t
               ObTenantCtxAllocator* next_allocator = *cur;
               *cur = allocator;
               ((*cur)->get_next()) = next_allocator;
+              LOG_INFO("tenant ctx allocator was created", K(tenant_id), K(ctx_id), K(lbt()));
             } else {
               allocator->~ObTenantCtxAllocator();
               allocer->free(buf);