(转)ab-tomcat压力测试工具

chinaab

　　apache压力测试工具,下载到电脑后，运行cmd打开dos，进入到ab下载的路径下，执行ab命令（通过help查看参数），可以测试当前tomcat压力，简单用用
　　参数说明：
　　E:\Tomcat6.0\apache-tomcat-6.0.37-windows-x86\apache-tomcat-6.0.37\bin>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)
　　实际使用：
　　E:\Tomcat6.0\apache-tomcat-6.0.37-windows-x86\apache-tomcat-6.0.37\bin>ab -n 1000 -c 300 http://localhost:8080/mc/login.jsp
　　This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $> apache-2.0
　　Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
　　Copyright 1997-2005 The Apache Software Foundation, http://www.apache.org/
　　 
　　Benchmarking localhost (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
　　Finished 1000 requests
　　 
　　 
　　Server Software:        Apache-Coyote/1.1
　　Server Hostname:        localhost
　　Server Port:            8080
　　 
　　Document Path:          /mc/login.jsp   ###请求的资源
　　Document Length:        949 bytes     ###文档返回的长度，不包括相应头
　　 
　　Concurrency Level:      300          ###并发个数
　　Time taken for tests:   19.109375 seconds   ###总请求时间
　　Complete requests:      1000                         ###总请求数
　　Failed requests:        11                                ###失败的请求数
　　   (Connect: 11, Length: 0, Exceptions: 0)
　　Write errors:           0
　　Non-2xx responses:      1000
　　Total transferred:      1118000 bytes
　　HTML transferred:       949000 bytes
　　Requests per second:    52.33 [#/sec] (mean)      ###平均每秒的请求数
　　Time per request:       5732.813 [ms] (mean)        ###平均每个请求消耗的时间
　　Time per request:       19.109 [ms] (mean, across all concurrent requests)   ###上面的请求除以并发数
　　Transfer rate:          57.09 [Kbytes/sec] received              ###传输速率
　　 
　　Connection Times (ms)
　　              min  mean[+/-sd] median   max
　　Connect:        0    7  66.4      0    1093
　　Processing:    15 3901 5972.0   1015   17046
　　Waiting:        0 3612 5927.3    515   16578
　　Total:         15 3909 5977.0   1015   17046
　　 
　　Percentage of the requests served within a certain time (ms)
　　  50%   1015                   ###50%的请求都在7778Ms内完成
　　  66%   1015
　　  75%   1468
　　  80%  13500
　　  90%  16578
　　  95%  16593
　　  98%  17046
　　  99%  17046
　　 100%  17046 (longest request)
　　 
　　E:\Tomcat6.0\apache-tomcat-6.0.37-windows-x86\apache-tomcat-6.0.37\bin>