Debug5出品，零基础，小白高效入手python后端视频教程：
记录一下:
nginx做反向代理，单纯测试框架。
机器配置：
Intel® Core™ i5-3470 CPU @ 3.20GHz 4核心 8G内存
test.go:
<!-- lang: cpp -->
package main
import (
"encoding/json"
"fmt"
"github.com/emicklei/go-restful"
"io"
"net/http"
"runtime"
"os"
)
var count int = 0
func main() {
runtime.GOMAXPROCS(8)
ws := new(restful.WebService)
ws.Route(ws.GET("/").To(hello))
restful.Add(ws)
fmt.Println("Server starting on port ", os.Args[1])
http.ListenAndServe(":"+os.Args[1], nil)
}
func hello(req *restful.Request, resp *restful.Response) {
article := Article{"A Royal Baby", "A slow news week"}
count++
fmt.Println("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", count)
b, _ := json.Marshal(article)
io.WriteString(resp, string(b))
}
type Article struct {
Name string
Body string
}tornado.py
# !/usr/bin/env python
import tornado.httpserver
import tornado.ioloop
import tornado.options
import tornado.web
from tornado.options import define, options
define("port", default=8888, help="run on the given port", type=int)
class MainHandler(tornado.web.RequestHandler):
def get(self):
self.write("Hello, world")
def main():
tornado.options.parse_command_line()
application = tornado.web.Application([
(r"/", MainHandler),
])
http_server = tornado.httpserver.HTTPServer(application)
http_server.listen(options.port)
tornado.ioloop.IOLoop.instance().start()
if __name__ == "__main__":
main()nginx 配置:
<!-- lang: shell -->
worker_processes 8;
events {
worker_connections 1024;
}
upstream tornado_online {
server 127.0.0.1:15101;
server 127.0.0.1:15102;
server 127.0.0.1:15103;
server 127.0.0.1:15104;
}
upstream go_online {
server 127.0.0.1:15201;
server 127.0.0.1:15202;
server 127.0.0.1:15203;
server 127.0.0.1:15204;
}
server {
listen 9000;
server_name localhost;
#charset koi8-r;
#access_log logs/host.access.log main;
location / {
proxy_pass http://tornado_online/;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
client_max_body_size 10m;
client_body_buffer_size 128k;
proxy_connect_timeout 90;
proxy_send_timeout 90;
proxy_read_timeout 90;
}
}
server {
listen 9001;
server_name localhost;
#charset koi8-r;
#access_log logs/host.access.log main;
location / {
proxy_pass http://go_online/;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
client_max_body_size 10m;
client_body_buffer_size 128k;
proxy_connect_timeout 90;
proxy_send_timeout 90;
proxy_read_timeout 90;
}
}启动go:
nohup ./test 15201 &
nohup ./test 15202 &
nohup ./test 15203 &
nohup ./test 15204 &
启动tornado:
nohup python tornado.py –port=15101 &
nohup python tornado.py –port=15102 &
nohup python tornado.py –port=15103 &
nohup python tornado.py –port=15104 &
测试: go
<!-- lang: shell --> $ab -c 500 -n 1000000 http://192.168.0.108:9001/ This is ApacheBench, Version 2.3 <$Revision: 655654 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking 192.168.0.108 (be patient) Completed 100000 requests Completed 200000 requests Completed 300000 requests Completed 400000 requests Completed 500000 requests Completed 600000 requests Completed 700000 requests Completed 800000 requests Completed 900000 requests Completed 1000000 requests Finished 1000000 requests Server Software: nginx/1.5.7 Server Hostname: 192.168.0.108 Server Port: 9001 Document Path: / Document Length: 49 bytes Concurrency Level: 500 Time taken for tests: 89.459 seconds Complete requests: 1000000 Failed requests: 0 Write errors: 0 Total transferred: 206002060 bytes HTML transferred: 49000490 bytes Requests per second: 11178.28 [#/sec] (mean) Time per request: 44.730 [ms] (mean) Time per request: 0.089 [ms] (mean, across all concurrent requests) Transfer rate: 2248.78 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 24 123.4 7 2028 Processing: 1 20 19.1 18 630 Waiting: 1 16 18.2 14 623 Total: 2 45 125.9 26 2040 Percentage of the requests served within a certain time (ms) 50% 26 66% 31 75% 34 80% 36 90% 43 95% 51 98% 112 99% 983 100% 2040 (longest request) ➜ test ps aux | grep test root 25733 11.6 0.3 1739840 28812 pts/7 SNl 15:04 0:25 ./test 15201 root 25737 11.6 0.4 2140036 36104 pts/7 SNl 15:04 0:25 ./test 15202 root 25741 11.6 0.3 1697800 28472 pts/7 SNl 15:04 0:25 ./test 15203 root 25754 11.6 0.3 1738620 28892 pts/7 SNl 15:04 0:25 ./test 15204 cpu: 50%左右
测试：tornado
<!-- lang: shell --> $ab -c 500 -n 1000000 http://192.168.0.108:9000/ This is ApacheBench, Version 2.3 <$Revision: 655654 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking 192.168.0.108 (be patient) Completed 100000 requests Completed 200000 requests Completed 300000 requests Completed 400000 requests Completed 500000 requests Completed 600000 requests Completed 700000 requests Completed 800000 requests Completed 900000 requests Completed 1000000 requests Finished 1000000 requests Server Software: nginx/1.5.7 Server Hostname: 192.168.0.108 Server Port: 9000 Document Path: / Document Length: 12 bytes Concurrency Level: 500 Time taken for tests: 163.648 seconds Complete requests: 1000000 Failed requests: 1 (Connect: 0, Receive: 0, Length: 1, Exceptions: 0) Write errors: 0 Non-2xx responses: 1 Total transferred: 218000099 bytes HTML transferred: 12000156 bytes Requests per second: 6110.67 [#/sec] (mean) Time per request: 81.824 [ms] (mean) Time per request: 0.164 [ms] (mean, across all concurrent requests) Transfer rate: 1300.90 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 6 33.9 1 1011 Processing: 1 75 188.5 40 7108 Waiting: 1 72 188.2 37 7107 Total: 1 81 191.2 45 7110 Percentage of the requests served within a certain time (ms) 50% 45 66% 66 75% 82 80% 92 90% 121 95% 150 98% 1027 99% 1067 100% 7110 (longest request) ➜ helloworld git:(master) ✗ ps aux | grep tornado root 1747 0.0 0.1 106348 12920 pts/7 SN 15:34 0:00 python tornado.py –port=15101 root 4534 0.0 0.0 15956 1092 pts/7 S+ 15:39 0:00 grep tornado root 16785 5.0 0.2 112056 18472 pts/7 SN 14:24 3:46 python tornado.py --port=15101 root 16847 5.0 0.2 111260 18036 pts/7 SN 14:24 3:46 python tornado.py --port=15102 root 16879 5.0 0.2 111832 18396 pts/7 SN 14:24 3:47 python tornado.py --port=15103 root 16911 5.0 0.2 111272 18044 pts/7 SN 14:24 3:47 python tornado.py --port=15104 cpu: 100%
总结：
go+nginx的qps是tornado+nginx的1.4倍左右。tornado的响应时间(tpr)是go的1倍左右。tornado会使cpu跑满100%而go只需要50%左右
本博客源码Github地址：
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