OSNews

Nothing special, just:

GOMAXPROCS=4
hello.go ----------------------------------------------
package main

import (
"net/http"
"fmt"
"strconv"
)

var hellostr string="HelloWorld"
var hellolen string=strconv.Itoa(len(hellostr))

func handler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/plain; charset=UTF-8")
w.Header().Set("Content-Length", hellolen) // this icreases server performance 2x ,from 11kRPS to 22k RPS (requests per second)
fmt.Fprintf(w, hellostr);
}

func main() {
http.HandleFunc("/", handler)
http.ListenAndServe(":8080", nil)
}
---------------------------------------------------