以下开始测试：
ab是Apache超文本传输协议(HTTP)的性能测试工具。 其设计意图是描绘当前所安装的Apache的执行性能， 主要是显示你安装的Apache每秒可以处理多少个请求。
此命令其他参数就不多说了，你可以google，会很多我，我也是go出来的，我用的了以下俩个参数：
-c concurrency
一次产生的请求个数。
-n requests
在测试会话中所执行的请求个数。
以下我测试3次，如下：
[root@abb conf]# ab -n 1000 -c 100 [url]http://192.168.1.226/[/url]
表示同时处理1000个请求并运行100次
This is ApacheBench, Version 2.0.41-dev <$Revision: 1.141 $> apache-2.0
Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, [url]http://www.zeustech.net/[/url]
Copyright (c) 1998-2002 The Apache Software Foundation, [url]http://www.apache.org/[/url]
Benchmarking 192.168.1.226 (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Finished 1000 requests
Server Software: Apache/2.0.59
测试机apache版本号
Server Hostname: 192.168.1.226
测试机主机名
Server Port: 80
测试机端口
Document Path: /
测试机目录
Document Length: 1456 bytes
文档大小
Concurrency Level: 100
并发数
Time taken for tests: 1.305834 seconds
整个测试持续的时间
Complete requests: 1000
完成请求的数量
Failed requests: 0
失败请求数量
Write errors: 0
错误请求数量
Total transferred: 1924263 bytes
整个测试的网络传输量
HTML transferred: 1489488 bytes
整个测试html页面的网络传输量
Requests per second: 765.79 [#/sec] (mean)
关注1：每秒事务数
Time per request: 130.583 [ms] (mean)
关注2：平均事务响应时间
Time per request: 1.306 [ms] (mean, across all concurrent requests)
每个请求实际运行时间的平均值
Transfer rate: 1438.93 [Kbytes/sec] received
平均每秒网络上的流量
Connection Times (ms)
min mean[+/-sd] median max
Connect: 17 45 17.1 47 92
Processing: 21 76 58.7 61 585
Waiting: 1 56 24.0 52 116
Total: 64 121 57.5 119 610
网络上消耗时间的分解
Percentage of the requests served within a certain time (ms)
50% 119
66% 122
75% 125
80% 132
90% 139
95% 172
98% 325
99% 465
100% 610 (longest request)
