ndns vs native-dns/node-dns benchmark

benchmark.sh

# using dnsperf from http://www.nominum.com/resources/measurement-tools

echo =======
echo native-dns
echo =======
dnsperf -d test.data -l 8 -p 5302


echo =======
echo ndns
echo =======
dnsperf -d test.data -l 8 -p 15353

native-dns-server.js

/* on my test box I get about ~220/qps with this */

"use strict";

var dns = require('../dns'),
  server = dns.createServer('udp4');

server.bind(15353);

server.on('request', function (request, response) {
  //console.log(request)                                                                        
  response.answer.push(dns.A({
    name: request.question[0].name,
    address: '127.0.0.1',
    ttl: 600,
  }));
  response.answer.push(dns.A({
    name: request.question[0].name,
    address: '127.0.0.2',
    ttl: 600,
  }));
  response.send();
});

server.on('error', function (err, buff, req, res) {
  console.log(err.stack);
});

ndns-authorative.js

/* this code gets about 3200qps on my test box */

var sys = require('sys'), puts = sys.puts;
var dgram = require('dgram');
var ndns = require('../lib/ndns');
var server = ndns.createServer('udp4');
var client = ndns.createClient('udp4');

var BIND_PORT = 5302;

server.on("request", function(req, res) {
  res.setHeader(req.header);

  for (var i = 0; i < req.q.length; i++)
    res.addQuestion(req.q[i]);

  if (req.q.length > 0) {
    var name = req.q[0].name;
    if (name == ".")
      name = "";
    res.header.qr = 1;
    res.header.ra = 1;
		res.header.rd = 0;
		res.header.ancount = 3;
		res.header.nscount = 4;
		res.header.arcount = 5;
		res.addRR(name, 2, "IN", "A", "127.0.0.2");
		res.addRR(name, 2, "IN", "A", "127.0.0.3");
	}
  res.send();
});

server.bind(BIND_PORT);

test.data

foo.pgeodns A