ab -n 10000 -c 100 http://localhost/index.php
-n 访问10000次 -c 100个人并发访问
ConcurrencyLevel: 100
Time taken fortests: 54.111 seconds #总时间
Completerequests: 10000#总次数
Requests persecond: 184.80 [#/sec] (mean) #每秒访问多少次
Time perrequest:541.111 [ms] (mean) #100人访问一次的时间
Time perrequest:5.411 [ms] (mean, acrossall concurrent requests) #1人访问一次的时间
Transfer rate: 37.18 [Kbytes/sec] received
