1.安装
安装包下载地址：
将 httpd-2.2.29.tar.gz 解压到目录 /apps/install/httpd-2.2.29 ，这是我放置的位置
cd /apps/install/httpd-2.2.29
./configure
make
make install
ok ,没有 error 就表示安装成功了，上面我并没有改变他的编译目录，默认的编译目录在
/usr/local/apache2/bin
如果找不到了，搜索呗
find . -name httpd
2.测试
进入 /usr/local/apache2/bin
cd /usr/local/apache2/bin
./ab -n 300 -c 300 http://www.baidu.com/
执行 300次，每次并发 300个请求 www.baidu.com
./ab -n 3000 -c 3000 http://www.test.com/
其中-n代表每次并发量，-c代表总共发送的数量
3.测试结果说明
[root@Svr107 bin]# ./ab -n 3000 -c 3000 http://www.test.com/ This is ApacheBench, Version 2.3 <$Revision: 655654 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking www.twioo.com (be patient) Completed 300 requests Completed 600 requests Completed 900 requests Completed 1200 requests Completed 1500 requests Completed 1800 requests Completed 2100 requests Completed 2400 requests Completed 2700 requests Completed 3000 requests Finished 3000 requests Server Software: nginx/0.7.65 Server Hostname: www.test.com Server Port: 80 Document Path: / ###请求的资源 Document Length: 50679 bytes ###文档返回的长度，不包括相应头 Concurrency Level: 3000 ###并发个数 Time taken for tests: 30.449 seconds ###总请求时间 Complete requests: 3000 ###总请求数 Failed requests: 0 ###失败的请求数 Write errors: 0 Total transferred: 152745000 bytes HTML transferred: 152037000 bytes Requests per second: 98.52 [#/sec] (mean) ###平均每秒的请求数 Time per request: 30449.217 [ms] (mean) ###平均每个请求消耗的时间 Time per request: 10.150 [ms] (mean, across all concurrent requests) ###上面的请求除以并发数 Transfer rate: 4898.81 [Kbytes/sec] received ###传输速率 Connection Times (ms) min mean[+/-sd] median max Connect: 2 54 27.1 55 98 Processing: 51 8452 5196.8 7748 30361 Waiting: 50 6539 5432.8 6451 30064 Total: 54 8506 5210.5 7778 30436 Percentage of the requests served within a certain time (ms) 50% 7778 ###50%的请求都在7778Ms内完成 66% 11059 75% 11888 80% 12207 90% 13806 95% 18520 98% 24232 99% 24559 100% 30436 (longest request)