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ab压力测试报错: apr_socket_recv: Connection reset by peer (104)

使用ab对网站进行压力测试,开始设置并发500,可以正常使用,当设置并发为1000,则报错:

apr_socket_recv: Connection reset by peer (104)

改服务端apache的maxclients参数,调大最大打开文件数,都不解决问题,最后才发现是因为ab的源码对ab的并发有限制,修改源码重新编译apache:

修改源码support目录下的ab.c文件,大概在1369行,修改为:

return;
} else {
//apr_err("apr_socket_recv", status);
bad++;
close_connection(c);
return;

最后贴上ab的参数使用:

/usr/local/apache2/bin/ab -c 3000 -n 5000 ​​http://192.168.1.43/index.html​​

​​http://blog.chinaunix.net/uid-24443760-id-3758092.html​​

$ ab help
E:\xampp\apache\bin\ab.exe: invalid URL
Usage: E:\xampp\apache\bin\ab.exe [options] [http://]hostname[:port]/path
Options are:
-n requests Number of requests to perform
-c concurrency Number of multiple requests to make at a time
-t timelimit Seconds to max. to spend on benchmarking
This implies -n 50000
-s timeout Seconds to max. wait for each response
Default is 30 seconds
-b windowsize Size of TCP send/receive buffer, in bytes
-B address Address to bind to when making outgoing connections
-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 to use for POST/PUT data, 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.
-q Do not show progress when doing more than 150 requests
-l Accept variable document length (use this for dynamic pages)
-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.
-m method Method name
-h Display usage information (this message)

 

ab -n 200 -c 10  -T 'application/json' -p post.json http://127.0.0.1:8002/webapi/

执行此命令目录下,放置post.json文件:

{
"jsonrpc": "2.0",
"method": "test_method",
"params": [1442885518, 1442892718,"testDomain_80"],
"id": "1"
}

​​​​https://www.jianshu.com/p/66ad2f9570f8​​

​https://gist.github.com/kelvinn/6a1c51b8976acf25bd78

Downloading Apache for Windows

The Apache HTTP Server Project itself does not provide binary releases of software, only source code. Individual committers may provide binary packages as a convenience, but it is not a release deliverable.

If you cannot compile the Apache HTTP Server yourself, you can obtain a binary package from numerous binary distributions available on the Internet.

Popular options for deploying Apache httpd, and, optionally, PHP and MySQL, on Microsoft Windows, include:

  • ​​ApacheHaus​​
  • ​​Apache Lounge​​
  • ​​BitNami WAMP Stack​​
  • ​​WampServer​​
  • ​​XAMPP​​

​​http://www.apachehaus.com/cgi-bin/download.plx​​​http://www.apachelounge.com/download/
http://bitnami.com/stack/wamp
http://www.wampserver.com/
http://www.apachefriends.org/en/xampp.html

https://httpd.apache.org/docs/current/platform/windows.html#down

ab -n 100 -c 10 http://www.baidu.com/s

 

-n 表示请求数,-c 表示并发数.
s为path,表示指定测试地址,不指定可能会报”ab: invalid url” 错误.
另外还有-t 表示多少s内并发和请求

测试出来的数据如下:

D:\Apache24\bin>ab -n 100 -c 10 http://www.baidu.com/s
This is ApacheBench, Version 2.3 <$Revision: 1807734 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking www.baidu.com (be patient).....done

Server Software: BWS/1.1
##服务器软件和版本
Server Hostname: www.baidu.com
##请求的地址/域名
Server Port: 80
##端口

Document Path: /s
##请求的路径
Document Length: 112435 bytes
##页面数据/返回的数据量

Concurrency Level: 10
##并发数
Time taken for tests: 4.764 seconds
##共使用了多少时间
Complete requests: 100
##请求数
Failed requests: 99
##失败请求 百度为什么失败这么多,应该是百度做了防范
(Connect: 0, Receive: 0, Length: 99, Exceptions: 0)
Total transferred: 11342771 bytes
##总共传输字节数,包含http的头信息等
HTML transferred: 11247622 bytes
##html字节数,实际的页面传递字节数
Requests per second: 20.99 [#/sec] (mean)
##每秒多少请求,这个是非常重要的参数数值,服务器的吞吐量
Time per request: 476.427 [ms] (mean)
##用户平均请求等待时间
Time per request: 47.643 [ms] (mean, across all concurrent requests)
##服务器平均处理时间,也就是服务器吞吐量的倒数
Transfer rate: 2325.00 [Kbytes/sec] received
##每秒获取的数据长度

Connection Times (ms)
min mean[+/-sd] median max
Connect: 22 41 12.4 39 82
##连接的最小时间,平均值,中值,最大值
Processing: 113 386 211.1 330 1246
##处理时间
Waiting: 25 80 43.9 73 266
##等待时间
Total: 152 427 210.1 373 1283
##合计时间

Percentage of the requests served within a certain time (ms)
50% 373
## 50%的请求在373ms内返回
66% 400
## 60%的请求在400ms内返回
75% 426
80% 465
90% 761
95% 930
98% 1192
99% 1283
100% 1283 (longest request)

 

ab是apache自带的网站压力测试工具。 
使用起来非常的简单和方便。 
不仅仅是可以apache服务器进行网站访问压力测试,还可以对其他类型的服务器进行压力测试。 
比如nginx,tomcat,IIS等

首先当然是下载安装了。 
在这里只讲window下在下载安装 
官方下载地址:,​​​(​​​​https://www.apachehaus.com/cgi-bin/download.plx​​)

下载完成后解压 
我就直接解压到d盘的apacheab中去了 
修改解压根目录下的conf/httpd.conf文件的端口配置,默认是80端口,应该是被占用了,无法安装,可以自行修改为其他,我在这里修改为8088端口

然后输入命令安装:

httpd -k install

第一次安装错误是因为端口没有改,被占用了,应该是被iis占用的。






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