ab使用命令:ab -c 20 -n 1000 http://localhost:8000/
-c 并发数
-n 请求总数
测试环境:1G内存,单CPU单核,虚拟机ubuntu
测试结果:
Server Software: TornadoServer/5.0.2
Server Hostname: localhost
Server Port: 8000
Document Path: /
Document Length: 11 bytes
Concurrency Level: 20
Time taken for tests: 2.772 seconds
Complete requests: 1000
Failed requests: 0
Total transferred: 206000 bytes
HTML transferred: 11000 bytes
Requests per second: 360.74 [#/sec] (mean)
Time per request: 55.441 [ms] (mean) 用户能够看到的响应时间 ,等于下面的时间*并发数
Time per request: 2.772 [ms] (mean, across all concurrent requests) 服务器处理一个请求的时间
Transfer rate: 72.57 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 0 0.2