stress-test.js

var system = require('system');

var address = 'http://stress-test.meteor.com';

var i = 0;
var stopping = false;

var newThread = function () {
  console.log(i++);
  var t = Date.now();

  var page = require('webpage').create();

  page.open(address, function (status) {
    if (status !== 'success') {
      console.log('FAIL to load the address');
    } else {
      t = Date.now() - t;
      console.log('Load time: ' + t);
    }
  });
}

// Start a new thread every second.
setInterval(function () {
  if (i < 500) {
    newThread();
  } else if (stopping === false) {
    stopping = true;
    // Close after 5 minutes
    setTimeout(phantom.exit, 5 * 60 * 1000);
  }
}, 100);