压力测试之apache benchmark
ab 的全称是 ApacheBench , 是 Apache 附带的一个小工具 , 专门用于 HTTP Server 的 benchmark testing , 可以同时模拟多个并发请求。前段时间看到公司的开发人员也在用它作一些测试,看起来也不错,很简单,也很容易使用,所以今天花一点时间看了一下。
通过下面的一个简单的例子和注释,相信大家可以更容易理解这个工具的使用。
Centos Linux安装Apache Benchmark, AB压力测试工具
yum install httpd-tools 安装完成后运行AB工具试试,出现下面的内容表明安装成功。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 attributesare a colon separated username and password.-P attribute Add Basic Proxy Authentication, the attributesare 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)
转载:http://www.blogjava.net/nkjava/archive/2014/07/12/415718.html
一个简单的例子
/* 在这个例子的一开始,我执行了这样一个命令 ab -n 10 -c 10 http://www.google.com/ 。 这个命令的意思是启动 ab ,向 www.google.com 发送10个请求(-n 10) ,并每次发送10个请求 (-c 10)——也就是说一次都发过去了 。跟着下面的是 ab 输出的测试报告,红色部分是我添加的注释。 */
C:\Program Files\Apache Software Foundation\Apache2.2\bin>ab -n 10 -c 10 http
://www.google.com/
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 www.google.com (be patient).....done
Server Software: GWS/2.1
Server Hostname: www.google.com
Server Port: 80
Document Path: /
Document Length: 230 bytes
Concurrency Level: 10
/* 整个测试持续的时间 * /
Time taken for tests: 3.234651 seconds
/* 完成的请求数量 */
Complete requests: 10
/* 失败的请求数量 */
Failed requests: 0
Write errors: 0
Non-2xx responses: 10
Keep-Alive requests: 10
/* 整个场景中的网络传输量 */
Total transferred: 6020 bytes
/* 整个场景中的 HTML 内容传输量 */
HTML transferred: 2300 bytes
/* 大家最关心的指标之一,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: 3.09 [#/sec] (mean)
/* 大家最关心的指标之二,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: 3234.651 [ms] (mean)
/* 这个还不知道是什么意思,有知道的朋友请留言,谢谢 ^_^ */
Time per request: 323.465 [ms] (mean, across all concurrent requests)
/* 平均每秒网络上的流量,可以帮助排除是否存在网络流量过大导致响应时间延长的问题 */
Transfer rate: 1.55 [Kbytes/sec] received
/* 网络上消耗的时间的分解,各项数据的具体算法还不是很清楚 */
Connection Times (ms)
min mean[+/-sd] median max
Connect: 20 318 926.1 30 2954
Processing: 40 2160 1462.0 3034 3154
Waiting: 40 2160 1462.0 3034 3154
Total: 60 2479 1276.4 3064 3184
/* 下面的内容为整个场景中所有请求的响应情况。在场景中每个请求都有一个响应时间,其中 50 % 的用户响应时间小于 3064 毫秒, 60 % 的用户响应时间小于 3094 毫秒,最大的响应时间小于 3184 毫秒 */
Percentage of the requests served within a certain time (ms)
50% 3064
66% 3094
75% 3124
80% 3154
90% 3184
95% 3184
98% 3184
99% 3184
100% 3184 (longest request)
更多信息
ab 不像 LR 那么强大,但是它足够轻便,如果只是在开发过程中想检查一下某个模块的响应情况,或者做一些场景比较简单的测试, ab 还是一个不错的选择——至少不用花费很多时间去学习 LR 那些复杂的功能,就更别说那 License 的价格了。
下面是 ab 的详细参数解释,大家有兴趣的可以研究一下,最近没有足够多的时间研究,如果哪位朋友有兴趣希望可以帮忙翻译一下每个参数的含义,有问题讨论也欢迎在这里回帖 ^_^
ab [ -
A auth-username :
password ] [ -
c concurrency ] [ -
C cookie-name =
value ] [ -
d ] [ -
e csv-file ] [ -
g gnuplot-file ] [ -
h ] [ -
H custom-header ] [ -
i ] [ -
k ] [ -
n requests ] [ -
p POST-file ] [ -
P proxy-auth-username :
password ] [ -
q ] [ -
s ] [ -
S ] [ -
t timelimit ] [ -
T content-type ] [ -
v verbosity ] [ -
V ] [ -
w ] [ -
x <table>-attributes ] [ -
X proxy [:
port ] ] [ -
y <tr>-attributes ] [ -
z <td>-attributes ] [http://]
hostname [:
port ]/
path
-A
auth-username :
password
Supply BASIC Authentication credentials to the server. The username and password are separated by a single :
and sent on the wire base64 encoded. The string is sent regardless of whether the server needs it (i.e. , has sent an 401 authentication needed).
-c
concurrency
Number of multiple requests to perform at a time. Default is one request at a time.
-C
cookie-name =
value
Add a Cookie:
line to the request. The argument is typically in the form of a name =
value pair. This field is repeatable.
-d
Do not display the "percentage served within XX [ms] table". (legacy support).
-e
csv-file
Write a Comma separated value (CSV) file which contains for each percentage (from 1% to 100%) the time (in milliseconds) it took to serve that percentage of the requests. This is usually more useful than the 'gnuplot' file; as the results are already 'binned'.
-g
gnuplot-file
Write all measured values out as a 'gnuplot' or TSV (Tab separate values) file. This file can easily be imported into packages like Gnuplot, IDL, Mathematica, Igor or even Excel. The labels are on the first line of the file.
-h
Display usage information.
-H
custom-header
Append extra headers to the request. The argument is typically in the form of a valid header line, containing a colon-separated field-value pair (i.e. , "Accept-Encoding: zip/zop;8bit"
).
-i
Do HEAD
requests instead of GET
.
-k
Enable the HTTP KeepAlive feature, i.e. , perform multiple requests within one HTTP session. Default is no KeepAlive.
-n
requests
Number of requests to perform for the benchmarking session. The default is to just perform a single request which usually leads to non-representative benchmarking results.
-p
POST-file
File containing data to POST.
-P
proxy-auth-username :
password
Supply BASIC Authentication credentials to a proxy en-route. The username and password are separated by a single :
and sent on the wire base64 encoded. The string is sent regardless of whether the proxy needs it (i.e. , has sent an 407 proxy authentication needed).
-q
When processing more than 150 requests, ab
outputs a progress count on stderr
every 10% or 100 requests or so. The -q
flag will suppress these messages.
-s
When compiled in ( ab -h
will show you) use the SSL protected https
rather than the http
protocol. This feature is experimental and very rudimentary. You probably do not want to use it.
-S
Do not display the median and standard deviation values, nor display the warning/error messages when the average and median are more than one or two times the standard deviation apart. And default to the min/avg/max values. (legacy support).
-t
timelimit
Maximum number of seconds to spend for benchmarking. This implies a -n 50000
internally. Use this to benchmark the server within a fixed total amount of time. Per default there is no timelimit.
-T
content-type
Content-type header to use for POST data.
-v
verbosity
Set verbosity level - 4
and above prints information on headers, 3
and above prints response codes (404, 200, etc.), 2
and above prints warnings and info.
-V
Display version number and exit.
-w
Print out results in HTML tables. Default table is two columns wide, with a white background.
-x
<table>-attributes
String to use as attributes for <table>
. Attributes are inserted <table
here >
.
-X
proxy [:
port ]
Use a proxy server for the requests.
-y
<tr>-attributes
String to use as attributes for <tr>
.
-z
<td>-attributes
String to use as attributes for
转载:Apache Benchmark下载
http://reter107.iteye.com/blog/444697
http://blog.csdn.net/jhonguy/article/details/7576155
转载于:https://www.cnblogs.com/wawahaha/p/4654985.html
压力测试之apache benchmark相关推荐
- Apache Benchmark(简称ab)压力测试安装与解释
ab(apache benchmark)安装 命令: yum -y install httpd-tools ab测试的命令参数 命令: ab 或 ab -help 显示命令参数如下 ab [可选的参数 ...
- [MySQL]-压力测试之TPCC-MySQL
[MySQL]-压力测试之TPCC-MySQL 文章目录 [MySQL]-压力测试之TPCC-MySQL 一.基本概念 1.1 基准测试VS压力测试 1.2 TPCC是什么? 1.3 TPCC-MyS ...
- apache benchmark(ab) 进行压测
一.apache benchmark使用 PS D:\installed-software\Apache24\bin> ./ab.exe -help Usage: D:\installed-so ...
- Apache Benchmark测试结果数据解析
简介 Apache Benchmark简称ab,是Apache自带的性能测试工具 概念 吞吐率(Requests per second) 概念:服务器并发处理能力的量化描述,单位是reqs/s,指的是 ...
- web性能测试:apache benchmark(ab)
开发完网站或者web接口后,一个比较负责任的工作就是测试一下接口性能,也叫做压力测试.web接口性能直接反映了接口的并发处理能力,一个数值评估通常可以给系统性能给出一个比较好的反馈. 本文介绍比较常用 ...
- apache bench linux,linux – 如何在CentOS上安装Apache Benchmark?
我尝试在我的centos上使用 Is there a way to install Apache Bench (ab) without installing apache解决方案安装Apache Be ...
- 轻量级性能测试工具之Apache Benchmark
AB(apache benchmark) 为Apache自带的性能测试工具在APACHE的bin目录下. 通过CMD进入apache的bin目录下,本例以windows下的apache为例. C:\P ...
- 网站性能测试工具Apache Benchmark的使用说明
http://httpd.apache.org/docs/2.0/programs/ab.html 在网站开发中,有时候需要对网站进行性能测试,知道网站在一定的并发访问下的响应时间等情况,这里介绍Ap ...
- Centos7安装ab(Apache Benchmark)测试工具及使用
Centos7安装ab(Apache Benchmark)测试工具及使用 Apache Benchmark简称AB 一.安装 yum install -y httpd-tools 二.创建Post请求 ...
最新文章
- Java中的Cookie(1)——基本操作
- APM之基于事件的异步模式(EAP)-2
- 【超详细】遍历Windows进程模块
- DBUtils连接池,websocket
- .Net程序员面试 中级篇 (回答Scott Hanselman的问题)
- sed命令的使用和说明
- byte转化为Bitmap,防止内存溢出
- poj - 1509 Glass Beads
- 手机输入法并一不一定要横向充满
- 利用css构建三角形(正三角,倒三角,左/右三角)
- 区块链安全分析:安全是重中之重,需要各方企业共同守护 | 新加坡Meetup
- 【转载】spring-batch入门实践
- 常见 SQL 面试题:经典 50 例
- 消除span之间的空隙
- 联想拯救者笔记本解锁M.2 nvme接口性能
- 齐二TK6916/20/26/32系列数控落地铣镗床简介6
- 2022年软件测试行业就业发展前景,软件测试前景好吗?我该学什么?
- 学校的校园景点平面图(校园景点迷你地图C++数据结构)
- 音视频入门之如何绘制一张图片
- 软件设计师备考(三)——UML(关系和UML图)