Default connection pool behaviour

gistfile1.js

var http = require('http');
var concurrentServerRequests = 0;
var totalServerRequests = 0;
var PORT_BASE = 1337;

function createServer(host, port) {
    http.createServer(function (req, res) {
        ++concurrentServerRequests;
        ++totalServerRequests;

        console.log('Concurrent active server requests:' + 
                    concurrentServerRequests + ', total received:'  + 
                    totalServerRequests);

        setTimeout(function() {
            --concurrentServerRequests;
            res.end();
        }, Math.random() * 3000);

    }).listen(port, host);
    console.log('Server running at http://' + host + ':' + port);
}

function runTestCase1() {
    createServer('127.0.0.1', PORT_BASE);

    for(var i=0;i<100; ++i) {
        http.request({
            host: '127.0.0.1',
            port: PORT_BASE,
            method: 'GET'
        }, function(res) {
        }).end();
    }
}
runTestCase1();