Nodejs进程挂起，我怎么能debugging它或收集转储？

我的nodejs进程在Linux上运行，现在它挂起，CPU是100％。 无论如何，我可以做debugging，find原因吗？ 我需要收集转储吗？ 谢谢。

Answer 1

有一个叫做why-is-node-running的npm模块，可以给你这样的信息：

 There are 4 known handle(s) keeping the process running and 0 unknown Known handles: # Timer /Users/maf/dev/node_modules/why-is-node-running/example.js:6 - setInterval(function () {}, 1000) /Users/maf/dev/node_modules/why-is-node-running/example.js:10 - createServer() # TCP /Users/maf/dev/node_modules/why-is-node-running/example.js:7 - server.listen(0) /Users/maf/dev/node_modules/why-is-node-running/example.js:10 - createServer() # TCP /Users/maf/dev/node_modules/why-is-node-running/example.js:7 - server.listen(0) /Users/maf/dev/node_modules/why-is-node-running/example.js:11 - createServer() # Timer /Users/maf/dev/node_modules/why-is-node-running/example.js:13 - setTimeout(function () {