apache ab开源的压力测试工具参数介绍

apache ab是开源的轻量级压力测试工具，开发者可以使用该测试工具进行简单的压力测试工作。如下是该工具的参数详解：

如果服务器上安装了apache，那么就会自动安装了ab工具。如果没安装，可以通过httpd_tools源码进行安装。

进入到apache/bin目录，ab命令在该目录下，执行 ./ab -h 查看ab参数详解，如下：

[root@test bin]# ./ab -h
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
    -b windowsize   Size of TCP send/receive buffer, in bytes
    -p postfile     File containing data to POST. Remember also to set -T
    -u putfile      File containing data to PUT. Remember also to set -T
    -T content-type Content-type header for POSTing, eg.
                    'application/x-www-form-urlencoded'
                    Default is 'text/plain'
    -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
    -r              Don't exit on socket receive errors.
    -h              Display usage information (this message)
[root@test bin]# 

中文介绍：

-n 执行的请求数

-c 并发请求数

-t 测试时执行时间

-b tcp缓冲区大小

-p 发送包含的post请求的header信息

-u 数据信息

-h ab命令帮助信息