diff --git a/cpp/src/scheduler/ResourceMgr.cpp b/cpp/src/scheduler/ResourceMgr.cpp
index cf54472732606e5381bc817f1cb5ff27927104a5..f341821392e746c729289ae93a91b1f5b15278ff 100644
--- a/cpp/src/scheduler/ResourceMgr.cpp
+++ b/cpp/src/scheduler/ResourceMgr.cpp
@@ -17,6 +17,17 @@ ResourceMgr::ResourceMgr()
 
 }
 
+uint64_t
+ResourceMgr::GetNumOfComputeResource() {
+    uint64_t count = 0;
+    for (auto &res : resources_) {
+        if (res->HasExecutor()) {
+            ++count;
+        }
+    }
+    return count;
+}
+
 ResourceWPtr
 ResourceMgr::Add(ResourcePtr &&resource) {
     ResourceWPtr ret(resource);
diff --git a/cpp/src/scheduler/ResourceMgr.h b/cpp/src/scheduler/ResourceMgr.h
index c3f900b2db25792c17ff61be20d6cef04933ef17..54ff551b6b36fdf41bfe76a54b38fa41672d7d95 100644
--- a/cpp/src/scheduler/ResourceMgr.h
+++ b/cpp/src/scheduler/ResourceMgr.h
@@ -35,6 +35,12 @@ public:
         return disk_resources_;
     }
 
+    /*
+     * Return account of resource which enable executor;
+     */
+    uint64_t
+    GetNumOfComputeResource();
+
     /*
      * Add resource into Resource Management;
      * Generate functions on events;