按以下文章进行操作：
https://github.com/felixge/node-memory-leak-tutorial
如果node 版本高于6.3.1，则继续参考：
https://github.com/node-inspector/node-inspector/issues/905
https://nodejs.org/api/debugger.html#debugger_v8_inspector_integration_for_node_js
关键点：
node --inspect index.js
node-inspector
$ node--inspect index.js
Debugger listening on port9229.Warning:This is an experimental feature and could change at any time.To start debugging,open the following URLinChrome:chrome-devtools://devtools/remote/serve_file/@60cd6e859b9f557d2312f5bf532f6aec5f284980/inspector.html?experiments=true&v8only=true&ws=localhost:9229/node
结果：
参考链接：
https://github.com/felixge/node-memory-leak-tutorial
https://nodejs.org/api/debugger.html#debugger_v8_inspector_integration_for_node_js
