几种web框架的相应速度比较 (comparision of ruby, nodejs, java)

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结论:  其实如果纯粹输出 Hellow world的话, 大家都差不多. 关键还是要看实际的应用情况( 读取数据库) 

. 

今天看到 express 框架的最好相应速度是 :  2200 req/s .一时兴起, 打算对比下 其他几种框架的速度. 

使用的命令是ab: 

$ ab -n 1000 -c 1000 http://localhost:3000/

没有读取数据库,都是纯文字hello world. 

咱们看一下. 

1. sinatra:   

require 'sinatra'

get '/' do
  "Hello World!"
end

$ ruby test_sinatra.rb

跟 express 一样, 每秒 2000个左右请求, 1800 ~ 2500浮动. 大部分都在1800 ~ 2000

2. express , 跟sinatra一样一样的. 

3. java : 算了.  太复杂. ... 从头到尾需要 WEB-INF,  xml, jar 等搭建各种东西.... 算了吧... 看了下 stackoverflow上一个人给出的测试,  700 req/s 

4. python tornado:  没有经过任何优化, ( 跟sinatra, expressjs 一样)

import tornado.ioloop
import tornado.web

class MainHandler(tornado.web.RequestHandler):
    def get(self):
        self.write("Hello, world")

application = tornado.web.Application([
    (r"/", MainHandler),
])

if __name__ == "__main__":
    application.listen(8888)
    tornado.ioloop.IOLoop.instance().start()

每秒处理1000个请求 .  但是我估计是没有使用 uwsgi  + nginx 造成的?  不清楚了. 

Concurrency Level:      1000
Time taken for tests:   1.002 seconds
Complete requests:      1000
Failed requests:        0
Total transferred:      205000 bytes
HTML transferred:       12000 bytes
Requests per second:    998.03 [#/sec] (mean)
Time per request:       1001.972 [ms] (mean)
Time per request:       1.002 [ms] (mean, across all concurrent requests)
Transfer rate:          199.80 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    4   7.3      0      21
Processing:     3  128  42.3    120     525
Waiting:        3  128  42.3    120     525
Total:         23  131  41.9    120     525

Percentage of the requests served within a certain time (ms)
  50%    120
  66%    136
  75%    139
  80%    170
  90%    184
  95%    202
  98%    216
  99%    222
 100%    525 (longest request)

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