Nginx下用webbench测试

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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。

官方主页：http://home.tiscali.cz/~cz210552/webbench.html

1.安装

wget http://www.ha97.com/code/webbench-1.5.tar.gz tar zxvf webbench-1.5.tar.gz cd webbench-1.5 make make install

安装错误1:

ctags *.c
/bin/sh: ctags: command not found

出现这种情况:说明少ctags命令需要安装这东东

redhat安装ctags: yum install -y ctags

ubuntu安装:sudo apt-get install exuberant-ctags

安装错误2:

install: cannot create regular file `/usr/local/man/man1': No such file or directory

出现这种情况是由于在/usr/local/下没有建立man目录

解决:mkdir /usr/local/man

2.运用

2.1 webbench 参数主要用到-c并发 -t时间秒

[root@bogon webbench-1.5]# webbench -h
webbench [option]... URL
-f|--force               Don't wait for reply from server.
-r|--reload              Send reload request - Pragma: no-cache.
-t|--time <sec>          Run benchmark for <sec> seconds. Default 30.
-p|--proxy <server:port> Use proxy server for request.
-c|--clients <n>         Run <n> HTTP clients at once. Default one.
-9|--http09              Use HTTP/0.9 style requests.
-1|--http10              Use HTTP/1.0 protocol.
-2|--http11              Use HTTP/1.1 protocol.
--get                    Use GET request method.
--head                   Use HEAD request method.
--options                Use OPTIONS request method.
--trace                  Use TRACE request method.
-?|-h|--help             This information.
-V|--version             Display program version.

2.2执行 并发1000个执行30秒

[root@bogon webbench-1.5]# ./webbench-c 1000 -t 30 http://192.168.181.128:8082/svr2/loc2/index.htmlhttp://write.blog.csdn.net/postedit
Webbench - Simple Web Benchmark 1.5
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.

Benchmarking: GET http://192.168.181.128:8082/svr2/loc2/index.html
1000 clients, running 30 sec.

Speed=544154 pages/min(每秒钟响应请求数), 3034657 bytes/sec(每秒钟传输数据量).
Requests: 271757 susceed(连接成功), 320 failed(连接失败).

查看当前tcp连接数

[root@bogon logs]# netstat -nat|grep -i "8082"|wc -l
12607

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