gistfile1.js

var request = require('request').forever()
  , pool = { maxSockets: 1 };

request({ url: '...', pool: pool, timeout: 10}, function(error, response, body) {
  console.log(body);
});

setTimeout(function () {request({ url: '...', pool : pool}, function(error, response, body) {
});}, 2000);