Linux下Web网站压力测试工具Webbench

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webbench最多可以模拟3万个并发连接去测试网站的负载能力，个人感觉要比Apache自带的ab压力测试工具好用，安装使用也特别方便，并且非常小。
一，环境：linux
二，安装方式：编译安装
具体步骤如下：

1，安装编译工具：

1	[iyunv@zabbix install]# yum install ctags wget make apr* autoconf automake gcc gcc-c++

2，下载该软件包

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[iyunv@zabbix install]# wget http://home.tiscali.cz/cz210552/distfiles/webbench-1.5.tar.gz --2016-07-06 19:01:29--  http://home.tiscali.cz/cz210552/distfiles/webbench-1.5.tar.gz Resolving home.tiscali.cz... 82.208.6.172 Connecting to home.tiscali.cz|82.208.6.172|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 7675 (7.5K) [application/x-tar] Saving to: “webbench-1.5.tar.gz” 100%[=====================================================================================>] 7,675       --.-K/s   in 0s       2016-07-06 19:01:36 (233 MB/s) - “webbench-1.5.tar.gz” saved [7675/7675]

3，编译安装

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[iyunv@zabbix install]# tar zxvf webbench-1.5.tar.gz webbench-1.5/ webbench-1.5/webbench.1 webbench-1.5/socket.c webbench-1.5/webbench.c webbench-1.5/Makefile webbench-1.5/debian/ webbench-1.5/debian/rules webbench-1.5/debian/dirs webbench-1.5/debian/copyright webbench-1.5/debian/control webbench-1.5/debian/changelog webbench-1.5/COPYRIGHT webbench-1.5/ChangeLog [iyunv@zabbix install]# cd webbench-1.5 [iyunv@zabbix webbench-1.5]# mkdir /usr/local/man      #创建该目录否则会失败 [iyunv@zabbix webbench-1.5]# make cc -Wall -ggdb -W -O   -c -o webbench.o webbench.c webbench.c: In function ‘alarm_handler’: webbench.c:77: warning: unused parameter ‘signal’ cc -Wall -ggdb -W -O  -o webbench webbench.o   ctags *.c [iyunv@zabbix webbench-1.5]# make install install -s webbench /usr/local/bin install -m 644 webbench.1 /usr/local/man/man1 install -d /usr/local/share/doc/webbench install -m 644 debian/copyright /usr/local/share/doc/webbench install -m 644 debian/changelog /usr/local/share/doc/webbench

4，进行压力测试

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[iyunv@zabbix webbench-1.5]# webbench -c 100 -t 30 http://192.168.1.245/zabbix.php?action=dashboard.view Webbench - Simple Web Benchmark 1.5 Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software. Benchmarking: GET http://192.168.1.245/zabbix.php?action=dashboard.view 100 clients, running 30 sec. Speed=1676 pages/min, 355898 bytes/sec. Requests: 838 susceed, 0 failed.

说明：-c 100:表示同时产生100个并发连接
   -t 30:表示持续30秒
备注：webbench最大可以模拟30000个并发连接


实战：方法是使用Web Bench进行并发压力测试，选择的页面是http://192.168.1.245/zabbix.php?action=dashboard.view并发请求开始5个，每次循环增加5个进入下轮的循环，每一轮循环持续180s，到达最大200个并发时结束。这样就可以持续做2小时的测试。
for n in `seq 5 5 50` ; do echo -n $n " " ; webbench -c $n -t 60  http://192.168.1.245/zabbix.php?action=dashboard.view  1>/dev/null | grep Speed | awk '{print $1}' | awk -F= '{print $2}' ; echo ; done

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[iyunv@zabbix webbench-1.5]# for n in `seq 5 5 50` ; do echo -n $n " " ; webbench -c $n -t 60  http://192.168.1.245/zabbix.php?action=dashboard.view  1>/dev/null | grep Speed | awk '{print $1}' | awk -F= '{print $2}' ; echo ; done 5  Webbench - Simple Web Benchmark 1.5 Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software. 10  Webbench - Simple Web Benchmark 1.5 Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software. 15  Webbench - Simple Web Benchmark 1.5 Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software. 20  Webbench - Simple Web Benchmark 1.5 Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software. 25  Webbench - Simple Web Benchmark 1.5 Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.