压力测试工具:ab,webbench
7月 6, 2008 – 8:00 下午为了比较网站或者服务器的性能少不了压力测试工具。最受欢迎的是ab测试工具。ab测试工具随apache打包发布，所有应用起来十分方便。而webbench用起来更加的简单，参数很少简单易懂.
1. ab
根目录： 在apache的根目录下面。
测试例子： ab -n 10000 -c 100 -t 10 http://www.test.com/
参数: -n 表示请求总数， -c 表示并发数. -t 表示请求时间限制
- Usage: ab [options] [http[s]://]hostname[:port]/path
- Options are:
- -n requests Number of requests to perform
- -c concurrency Number of multiple requests to make
- -t timelimit Seconds to max. wait for responses
- -p postfile File containing data to POST
- -T content-type Content-type header for POSTing
- -v verbosity How much troubleshooting info to print
- -w Print out results in HTML tables
- -i Use HEAD instead of GET
- -x attributes String to insert as table attributes
- -y attributes String to insert as tr attributes
- -z attributes String to insert as td or th attributes
- -C attribute Add cookie, eg. 'Apache=1234. (repeatable)
- -H attribute Add Arbitrary header line, eg. 'Accept-Encoding: gzip'
- Inserted after all normal header lines. (repeatable)
- -A attribute Add Basic WWW Authentication, the attributes
- are a colon separated username and password.
- -P attribute Add Basic Proxy Authentication, the attributes
- are a colon separated username and password.
- -X proxy:port Proxyserver and port number to use
- -V Print version number and exit
- -k Use HTTP KeepAlive feature
- -d Do not show percentiles served table.
- -S Do not show confidence estimators and warnings.
- -g filename Output collected data to gnuplot format file.
- -e filename Output CSV file with percentages served
- -h Display usage information (this message)
- -Z ciphersuite Specify SSL/TLS cipher suite (See openssl ciphers)
- -f protocol Specify SSL/TLS protocol (SSL2, SSL3, TLS1, or ALL)
2.webbench
1)安装:
- wget http://www.guogoul.com/wp-content/uploads/2008/07/webbench-15tar.gz
- tar -xvvzf webbench-1.5.tar.gz
- cd webbench-1.5/
- make
- sudo make install
- 安装完毕!
2)例子: webbench -t 10 -c 1000 http://home.ucenter/
参数说明: -t 运行时间。 -c并发数。
3)参数:
- 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.
4) 结果;
Webbench - Simple Web Benchmark 1.5
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.
Benchmarking: GET http://home.ucenter/
1000 clients, running 10 sec.
Speed=80502 pages/min, 287123 bytes/sec.
Requests: 13417 susceed, 0 failed.