cluster

gistfile1.js

'use strict';
 
var cluster = require('cluster');
 
if(cluster.isMaster) {
  console.log('master', process.pid);
  var worker = cluster.fork();
  console.log('forked child pid: ', worker.process.pid);
} else {
  console.log('child', process.pid);
}
 
/*
$ node foo.js
master 36520
forked child pid:  36521
child 36521
*/