ab工具使用说明 1 . 安裝ab工具命令
sudo apt-get install apache2-utils 2.ab命令参数说明
Usage: ab [options] [http://]hostname[:port]/path
Options are:
//请求数 -n requests Number of requests to perform //并发数
-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 //post文件(包含post数据),同事要设置-T
-p postfile File containing data to POST. Remember also to set -T
-u putfile File containing data to PUT. Remember also to set -T //为POST设置内容类型头部
-T content-type Content-type header for POSTing, eg.
'application/x-www-form-urlencoded'
Default is 'text/plain' //打印故障排除信息
-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 //设置Cookie
-C attribute Add cookie, eg. 'Apache=1234. (repeatable) //设置头部行
-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)
-Z ciphersuite Specify SSL/TLS cipher suite (See openssl ciphers)
-f protocol Specify SSL/TLS protocol (SSL2, SSL3, TLS1, or ALL) 3.使用方法 运行 ab -n 100 -c 10 http://keketour.me/ 对 http://keketour.me/ 网站 进行着100次请求,10个请求同时并发
压力测试结果
Server Software: lighttpd/1.4.20
Server Hostname: www.meetu.hk
Server Port: 80
Document Path: /
Document Length: 2095 bytes
Concurrency Level: 10
//整个测试持续的时间
Time taken for tests: 3.303 seconds
//完成的请求数量
Complete requests: 100
Failed requests: 0
Write errors: 0
Total transferred: 235200 bytes
HTML transferred: 209500 bytes
//平均每秒处理30个请求
Requests per second: 30.27 [#/sec] (mean)
//平均每个请求处理时间为330毫秒 注:这里将一次10个并发请求看成一个整体
Time per request: 330.335 [ms] (mean)
//平均每个并发请求处理 时间 为33毫秒
Time per request: 33.034 [ms] (mean, across all concurrent requests)
Transfer rate: 69.53 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 51 170 35.9 178 230
Processing: 60 153 64.5 121 263
Waiting: 55 148 64.4 115 258
Total: 235 322 59.9 299 437
Percentage of the requests served within a certain time (ms)