for benchmark

main.go

package main

//http://blog.safariflow.com/2013/02/22/go-as-an-alternative-to-node-js-for-very-fast-servers/

import "net/http"

func main() {
	bytes := make([]byte, 1024*1024)
	for i := 0; i < len(bytes); i++ {
		bytes[i] = 100
	}

	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		w.Write(bytes)
	})
	http.ListenAndServe(":8000", nil)
}

main.js

http = require('http')
Buffer = require('buffer').Buffer;
n = 1024*1024;
b = new Buffer(n);
for (var i = 0; i < n; i++) b[i] = 100;

http.createServer(function (req, res) {
  res.writeHead(200);
  res.end(b);
}).listen(8000);

Main.scala

package jp.sudix.finagle.benchmark

import com.twitter.finagle.Service
import com.twitter.finagle.http.Http
import com.twitter.util.Future
import com.twitter.finagle.builder.ServerBuilder
import org.jboss.netty.handler.codec.http.{DefaultHttpResponse, HttpVersion, HttpResponseStatus, HttpRequest, HttpResponse}
import org.jboss.netty.buffer.ChannelBuffers.copiedBuffer
import java.net.{SocketAddress, InetSocketAddress}

object Main {

  def main(args: Array[String]) {

    val bytes: Array[Byte] = Array.fill(1024*1024)(100:Byte)
    val cb = copiedBuffer(bytes)
    val response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK)
    response.setContent(cb)

    val service = new Service[HttpRequest, HttpResponse] {
      def apply(request: HttpRequest) = {
        Future.value(response)
      }
    }

    val address: SocketAddress = new InetSocketAddress(8000)
    ServerBuilder()
      .codec(Http())
      .bindTo(address)
      .name("HttpServer")
      .build(service)
  }
}