1.web bench下载,地址:http://home.tiscali.cz/~cz210552/webbench.html
2.wen bench安装
[[email protected] tmp]#tar -zxvf webbench-1.5.tar.gz
[[email protected] tmp]# cd webbench-1.5
[[email protected] webbench-1.5]# ll
total 28
lrwxrwxrwx 1 1001 root 16 Nov 15 10:45 ChangeLog -> debian/changelog
lrwxrwxrwx 1 1001 root 16 Nov 15 10:45 COPYRIGHT -> debian/copyright
drwxr-xr-x 2 1001 root 4096 Jun 25 2004 debian
-rw-r--r-- 1 1001 1001 1063 Jun 25 2004 Makefile
-rw-r--r-- 1 1001 1001 1491 Jan 12 2004 socket.c
-rw-r--r-- 1 1001 1001 2411 Jan 14 2004 webbench.1
-rw-r--r-- 1 1001 1001 10978 Jun 25 2004 webbench.c
[[email protected] 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
[[email protected] 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
至此,安装完成
3.使用
[[email protected] webbench-1.5]# man webbench
里面有具体的语法,参数等详细信息
测试1:1024次
[[email protected] webbench-1.5]# webbench -c 1024 http://10.244.170.110/
Webbench - Simple Web Benchmark 1.5
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.
Benchmarking: GET http://10.244.170.110/
1024 clients, running 30 sec.
Speed=103590 pages/min, 537553 bytes/sec.
Requests: 51795 susceed, 0 failed.
测试2:10240次
[[email protected] webbench-1.5]# webbench -c 10240 http://10.244.170.110/
Webbench - Simple Web Benchmark 1.5
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.
Benchmarking: GET http://10.244.170.110/
1024 clients, running 30 sec.
Speed=93646 pages/min, 482920 bytes/sec.
Requests: 46559 susceed, 264 failed.
对比2次测试结果,发现,第二次,速度慢,且失败次数大大增加;
查看zabbix监控,比对CPU,测试的时候cpu使用率很高!多次测试后,发现大量的测试占用内存较高,导致服务器直接重启了
copy别人的测试基准:
1、压力测试工作应该放到产品上线之前,而不是上线以后 ;
2、测试的时候,最好把测试机的监控都打开;
2、测试时尽量跨公网进行,而不是内网;
3、测试时并发应当由小逐渐加大,比如并发100时观察一下网站负载是多少、打开是否流畅,并发200时又是多少、网站打开缓慢时并发是多少、网站打不开时并发又是多少
4、 应尽量进行单元测试,如B2C网站可以着重测试购物车、推广页面等,因为这些页面占整个网站访问量比重较大