nodejs-speedup-source.js

process.env.NODE_ENV = 'production';
NODE_ENV = production node app.js
export NODE_ENV=production // nix системы
set NODE_ENV = production // windows

var async = require('async');

async.parallel([
       functionOne,
       functionTwo,
       // functions ...
       functionLast
   ], function(err, result){
       if (err){
           log.info('------ err ' + err);
           next();
       } else {
           next();
       }
   });

if (cluster.isMaster) {

   var cpuCount = require('os').cpus().length;

   for (var i = 0; i < cpuCount; i += 1) {
       cluster.schedulingPolicy = cluster.SCHED_NONE;
       cluster.fork();
   }

   cluster.on('exit', function (worker) {
       console.log('Worker ' + worker.id + ' died :(');
       cluster.fork();
   });

} else { YOUR APP CODE}

$pm2 start app.js -i max

node --nouse-idle-notification --expose-gc app.js

var gcInterval;

function init() {
  gcInterval = setInterval(function() { gcDo(); }, 60000);
}

function gcDo() {
  global.gc();
  clearInterval(gcInterval);
  init();
}

init();