标签:visio media 时间 connect within current .com element complete
1 我们可以模拟100个并发用户,对一个页面发送1000个请求
./ab -n1000 -c100 http://vm1.jianfeng.com/a.html
其中-n代表请求数,-c代表并发数
返回结果:
##首先是apache的版本信息
This is ApacheBench, Version 2.3 <Revision:655654Revision:655654>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking vm1.jianfeng.com (be patient)
Server Software: Apache/2.2.19 ##apache版本
Server Hostname: vm1.jianfeng.com ##请求的机子
Server Port: 80 ##请求端口
Document Path: /a.html
Document Length: 25 bytes ##页面长度
Concurrency Level: 100 ##并发数
Time taken for tests: 0.273 seconds ##共使用了多少时间
Complete requests: 1000 ##请求数
Failed requests: 0 ##失败请求
Write errors: 0
Total transferred: 275000 bytes ##总共传输字节数,包含http的头信息等
HTML transferred: 25000 bytes ##html字节数,实际的页面传递字节数
Requests per second: 3661.60 [#/sec] (mean) ##每秒多少请求,这个是非常重要的参数数值,服务器的吞吐量
Time per request: 27.310 [ms] (mean) ##用户平均请求等待时间
Time per request: 0.273 [ms] (mean, across all concurrent requests) ##服务器平均处理时间,也就是服务器吞吐量的倒数
Transfer rate: 983.34 [Kbytes/sec] received ##每秒获取的数据长度
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 1 2.3 0 16
Processing: 6 25 3.2 25 32
Waiting: 5 24 3.2 25 32
Total: 6 25 4.0 25 48
Percentage of the requests served within a certain time (ms)
50% 25 ## 50%的请求在25ms内返回
66% 26 ## 60%的请求在26ms内返回
75% 26
80% 26
90% 27
95% 31
98% 38
99% 43
100% 48 (longest request)
标签:visio media 时间 connect within current .com element complete
原文地址:http://www.cnblogs.com/m2016/p/6165904.html