app.go

package main

import (
	"github.com/gin-gonic/gin"
	"gopkg.in/resty.v1"
)

const url string = "localhost:6667"

func doRequests() {
	for i := 0; i < 10; i++ {
		resp, err := resty.R().Get(url)
		if err != nil {
			_ = resp
		}
	}
}

func main() {
	r := gin.Default()
	r.GET("/bench", func(c *gin.Context) {
		doRequests()
		c.JSON(200, gin.H{
			"message": "pong",
		})
	})
	r.Run() // listen and serve on 0.0.0.0:8080
}

go_benchmark

ab -n 10000 -c 50 localhost:8080/bench  > go_benchmark


This is ApacheBench, Version 2.3 <$Revision: 1796539 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)


Server Software:        
Server Hostname:        localhost
Server Port:            8080

Document Path:          /bench
Document Length:        18 bytes

Concurrency Level:      50
Time taken for tests:   1.856 seconds
Complete requests:      10000
Failed requests:        0
Total transferred:      1410000 bytes
HTML transferred:       180000 bytes
Requests per second:    5387.27 [#/sec] (mean)
Time per request:       9.281 [ms] (mean)
Time per request:       0.186 [ms] (mean, across all concurrent requests)
Transfer rate:          741.80 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    3  24.9      3    1021
Processing:     0    6   9.7      4     140
Waiting:        0    5   9.7      3     140
Total:          1    9  26.8      7    1037

Percentage of the requests served within a certain time (ms)
  50%      7
  66%      8
  75%      8
  80%      9
  90%     10
  95%     14
  98%     26
  99%     28
 100%   1037 (longest request)

index.js

const express = require('express');
const fetch = require('node-fetch');

const app = express();

const URL = "http://localhost:6667";
const PORT = 6666;

const buildPromise = () => fetch(URL).then(data => data.json())

const executeBench = () => {
  const promises = []
  for (i = 0; i < 10 ; i++) {
    promises.push(buildPromise())
  } 
  return Promise.all(promises)
}

app.get('/bench', (req, res) => {
  executeBench()
  .then(data => res.send(data))
})

app.listen(PORT, () => {
  console.log("listening on port ", PORT);
})

mock.js

const express = require('express');

const app = express();

const PORT = 6667;

app.get('/', (req, res) => {
  setTimeout( () => 
    res.json({rand:Math.random()})
    , 20)
})

app.listen(PORT, () => {
  console.log("listening on port ", PORT);
})

node_benchmark

ab -n 10000 -c 50 localhost:6666/bench  > benchmark

This is ApacheBench, Version 2.3 <$Revision: 1796539 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)


Server Software:        
Server Hostname:        localhost
Server Port:            6666

Document Path:          /bench
Document Length:        144 bytes

Concurrency Level:      50
Time taken for tests:   2.184 seconds
Complete requests:      10000
Failed requests:        0
Non-2xx responses:      10000
Total transferred:      3880000 bytes
HTML transferred:       1440000 bytes
Requests per second:    4577.81 [#/sec] (mean)
Time per request:       10.922 [ms] (mean)
Time per request:       0.218 [ms] (mean, across all concurrent requests)
Transfer rate:          1734.56 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.1      0       3
Processing:     1   11   9.4     10     144
Waiting:        1   11   9.3     10     144
Total:          3   11   9.4     10     144

Percentage of the requests served within a certain time (ms)
  50%     10
  66%     10
  75%     11
  80%     12
  90%     13
  95%     14
  98%     15
  99%     17
 100%    144 (longest request)

package.json

{
  "name": "cocubench",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "express": "^4.16.2",
    "node-fetch": "^1.7.3"
  }
}