(转)ab-tomcat压力测试工具

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>