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c32's blog

每天学习一点点,每天进步一点点.

 
 
 
 
 

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apache压力测试  

2014-08-08 17:20:08|  分类: ubuntu |  标签: |举报 |字号 订阅

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1.安装ab命令

写道
apt-get install apache2-utils

 

2.ab命令参数说明.

写道
Usage: ab [options] [http[s]://]hostname[:port]/path
Options are:

//总的请求数 

-n requests Number of requests to perform宅 

//一次同时并发的请求数 总的请求数(n)=次数*一次并发数(c) 

-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)

 

 

 

3.运行 ab -n 100 -c 10 http://hikin.iteye.com/

 下面是对http://hikin.iteye.com/   进行着100次请求,10个请求同时并发 压力测试结果

  

写道
Server Software: lighttpd/1.4.20
Server Hostname: hikin.iteye.com
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)

//在这100个请求中有50%在299毫秒内完成 
50% 299

//在这100个请求中有66%在312毫秒内完成 

66% 312
75% 383
80% 412
90% 431
95% 432
98% 436
99% 437
100% 437 (longest request)

 

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