Profiling node.js apps with Ben Noordhuis heapdump

README.md

This instructions allow you to take periodical heapdumps.

To use in your project, first install heapdump, then add the following code to your app just after requiring 'fs'.

perodic-heapdump.js

require('heapdump');
fs.readdirSync('.').map(function (filename) {
  if (filename.match(/^heapdump-/)) {
    console.log(filename);
    fs.unlinkSync(filename);
  }
});
setInterval(function heapDumper() {
  process.kill(process.pid, 'SIGUSR2');
}, 15000);