diff --git a/src/vnode/tsdb/src/tsdbCache.c b/src/vnode/tsdb/src/tsdbCache.c
index 01f56bb5a0604e4911ea900b0f1bca82a3c4c02f..3b1d44e6c7055e78f83a33d0808d6fc2ae0599b6 100644
--- a/src/vnode/tsdb/src/tsdbCache.c
+++ b/src/vnode/tsdb/src/tsdbCache.c
@@ -94,6 +94,7 @@ void *tsdbAllocFromCache(STsdbCache *pCache, int bytes, TSKEY key) {
   memset(ptr, 0, bytes);
   if (key < pCache->mem->keyFirst) pCache->mem->keyFirst = key;
   if (key > pCache->mem->keyLast) pCache->mem->keyLast = key;
+  pCache->mem->numOfPoints++;
 
   return ptr;
 }