1.8 httpd：自带工具程序、压测工具

 

htpasswd：basic认证基于文件实现时用于账号密码的创建工具；
apachectl：httpd自带的服务控制脚本；”apachectl {start|stop}”，启动或停止httpd服务；
apxs：由httpd-devel程序包提供，用于扩展httpd使用第三方模块的工具；
rotatelogs：日志滚动工具；
ab：apache自带的压测工具；
tcpcopy；
suexec：访问某些有特殊权限配置的资源时，临时切换至指定用户身份进行资源的访问；

httpd的压力测试工具：
ab，webbench，http_load，seige；
jmeter，loadrunner；

ab命令格式：ab [options] URL

ab常用选项：
-n：总请求数；
-c：模拟的并行数；
-k：持久连接；

~]# ab  -n  50  -c  50  -k  http://lucifer.kouyuushinn.cn/

This is ApacheBench, Version 2.3 <$Revision: 1430300 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking lucifer.kouyuushinn.cn (be patient).....done


Server Software:        nginx/1.12.2
Server Hostname:        lucifer.kouyuushinn.cn
Server Port:            80

Document Path:          /
Document Length:        49119 bytes

Concurrency Level:      50
Time taken for tests:   20.891 seconds
Complete requests:      100
Failed requests:        0
Write errors:           0
Total transferred:      4937000 bytes
HTML transferred:       4911900 bytes
Requests per second:    4.79 [#/sec] (mean)
Time per request:       10445.308 [ms] (mean)
Time per request:       208.906 [ms] (mean, across all concurrent requests)
Transfer rate:          230.79 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        8   44  39.4     15     103
Processing:   994 8793 3232.9   9811   14396
Waiting:      318 4842 2145.4   4422    9131
Total:       1023 8838 3212.7   9824   14406

Percentage of the requests served within a certain time (ms)
  50%   9824
  66%  10296
  75%  11586
  80%  11734
  90%  12741
  95%  13368
  98%  13969
  99%  14406
 100%  14406 (longest request)