ab网站压力测试命令

  studiogang@studiogang:~$ ab -V   This is ApacheBench, Version 2.3 <$Revision: 655654 $>   Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/   Licensed to The Apache Software Foundation, http://www.apache.org/ 

  studiogang@studiogang:~$ ab -v   ab: option requires an argument -- v   ab: wrong number of arguments   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    -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)    -Z ciphersuite Specify SSL/TLS cipher suite (See openssl ciphers)    -f protocol  Specify SSL/TLS protocol (SSL2, SSL3, TLS1, or ALL) 

  studiogang@studiogang:~$ ab -n1000 -c10 http://www.51cto.com/index.php   This is ApacheBench, Version 2.3 <$Revision: 655654 $>   Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/   Licensed to The Apache Software Foundation, http://www.apache.org/         Benchmarking www.51cto.com (be patient)   Completed 100 requests   Completed 200 requests   Completed 300 requests   Completed 400 requests   Completed 500 requests   Completed 600 requests   Completed 700 requests   Completed 800 requests   Completed 900 requests   Completed 1000 requests   Finished 1000 requests       /*WEB服务器用的是nginx*/  Server Software:  nginx   Server Hostname:  www.51cto.com   Server Port:   80      Document Path:   /index.php   Document Length:  154 bytes      Concurrency Level:  10   Time taken for tests: 74.373 seconds   Complete requests:  1000   Failed requests:  0   Write errors:   0   Non-2xx responses:  1000   Total transferred:  330000 bytes   HTML transferred:  154000 bytes  /*大家最关心的指标之一，指的是吞吐率  相当于 LR 中的 每秒事务数 ，后面括号中的 mean 表示这是一个平均值*/   Requests per second: 13.45 [#/sec] (mean)  /*大家最关心的指标之二，指的是用户平均请求等待时间  相当于 LR 中的 平均事务响应时间 ，后面括号中的 mean 表示这是一个平均值*/   Time per request:  743.726 [ms] (mean)   /*大家最关心的指标之三，指的是服务器平均请求处理时间  Time per request:  74.373 [ms] (mean, across all concurrent requests)   Transfer rate:   4.33 [Kbytes/sec] received      Connection Times (ms)       min mean[+/-sd] median max   Connect:  129 163 245.3 145 3154   Processing: 129 576 1510.8 147 11756   Waiting:  129 567 1502.0 147 11756   Total:  261 739 1543.7 294 11888      Percentage of the requests served within a certain time (ms)    50% 294    66% 297    75% 304    80% 308    90% 1290    95% 3452    98% 7582    99% 7962    100% 11888 (longest request) 

  Requests per second: 190.95 [#/sec] (mean)   Time per request:  523.694 [ms] (mean)   Time per request:  5.237 [ms] (mean, across all concurrent requests) 

  Requests per second: 180.99 [#/sec] (mean)   Time per request:  2631.662 [ms] (mean)   Time per request:  5.263 [ms] (mean, across all concurrent requests)