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Apache自带性能测试工具ab的使用

【IT168 技术文章】

  1 概述

  ab(ApacheBench)是Apache自带的超文本传输协议(HTTP)性能测试工具。 其设计意图是描绘当前所安装的Apache的执行性能, 主要是显示你安装的Apache每秒可以处理多少个请求。

  2 使用

  2.1 安装

  Apache服务器套件自带ab,只要安装Apache即可,无需另行安装ab。ab位于%ApacheHome%/bin目录下(“%ApacheHome%”为Aapche安装路径),你也可以把ab.exe文件copy出来,独立使用。

  2.2 参数列表

  C:\>ab

  ab: wrong number of arguments

  Usage: ab [options] [http://]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)

  * 中文的列表可以查看Apache手册中文版。

  以上参数最常用的是-n 在测试会话中所执行的请求个数;和-c 一次同时产生的并发请求个数。

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