diff --git a/src/node/server.js b/src/node/server.js
index 3219f5185..3e3b25d21 100755
--- a/src/node/server.js
+++ b/src/node/server.js
@@ -58,6 +58,7 @@ exports.start = async () => {
   // start up stats counting system
   const stats = require('./stats');
   stats.gauge('memoryUsage', () => process.memoryUsage().rss);
+  stats.gauge('memoryUsageHeap', () => process.memoryUsage().heapUsed);
 
   await util.promisify(npm.load)();