标签:apache bench
apache bench(简单压力测试)
安装:yum -y install httpd
指标:
1.吞吐率(Requests per second)
每秒处理的请求数
2.并发连接数
某个时刻服务器承受的请求数
3.并发用户
4.用户平均等待时间
计算公式:处理完成所有请求数所花费的时间/ (总请求数 / 并发用户数)
5.服务器平均请求等待时间(Time per request: across all concurrent requests)
计算公式:处理完成所有请求数所花费的时间 / 总请求数
ab -n 9000 -c 100 http://www.mi.com/
Requests per second: 316.93 [#/sec] (mean)(吞吐率)
Time per request: 315.525 [ms] (mean)(用户等待时长)
Time per request: 3.155 [ms] (mean, across all concurrent requests)(服务器平均等待时间)
Transfer rate: 57635.56 [Kbytes/sec] received
ab -n 9000 -c 500 http://www.mi.com/
Requests per second: 321.17 [#/sec] (mean)
Time per request: 1556.825 [ms] (mean)
Time per request: 3.114 [ms] (mean, across all concurrent requests)
Transfer rate: 58401.75 [Kbytes/sec] received
ab -n 4000 -c 600 http://www.jd.com/
Requests per second: 301.77 [#/sec] (mean)
Time per request: 1988.272 [ms] (mean)
Time per request: 3.314 [ms] (mean, across all concurrent requests)
Transfer rate: 58411.92 [Kbytes/sec] received
ab -n 10000 -c 1000 http://master:18080/sa/
Requests per second: 6005.68 [#/sec] (mean)
Time per request: 166.509 [ms] (mean)
Time per request: 0.167 [ms] (mean, across all concurrent requests)
Transfer rate: 62681.26 [Kbytes/sec] received
在远程对web服务器进行压力测试,往往效果不理想(因为网络延时过大),建议使用内网的另一台或者多台服务器通过内网进行测试,
这样得出的数据,准确度会高很多。如果只有单独的一台服务器,可以直接本地测试,比远程测试效果要准确。
标签:apache bench
原文地址:http://11670039.blog.51cto.com/11660039/1795574