Go req/s

results.txt

-> % gobench -c=200 -k=true -u http://127.0.0.1:8080/ -t 10
Dispatching 200 clients
Waiting for results...

Requests:                           244689 hits
Successful requests:                244689 hits
Network failed:                          0 hits
Bad requests failed (!2xx):              0 hits
Successfull requests rate:           24468 hits/sec
Read throughput:                   3058725 bytes/sec
Write throughput:                  2938608 bytes/sec
Test time:                              10 sec

server.go

package main

import (
	"encoding/json"
	"net/http"
)

func main() {
	payload, _ := json.Marshal(map[string]string{"Hello": "World"})

	http.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		w.Write(payload)
	})
	http.ListenAndServe(":8080", nil)
}