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	<title>臭皮匠 &#187; webbench</title>
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		<title>压力测试工具:ab,webbench</title>
		<link>http://guogoul.com/2008/07/06/ab_webbench/</link>
		<comments>http://guogoul.com/2008/07/06/ab_webbench/#comments</comments>
		<pubDate>Sun, 06 Jul 2008 12:00:16 +0000</pubDate>
		<dc:creator>john</dc:creator>
				<category><![CDATA[apache]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[nginx]]></category>
		<category><![CDATA[技巧]]></category>
		<category><![CDATA[ab]]></category>
		<category><![CDATA[webbench]]></category>
		<category><![CDATA[压力测试]]></category>

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		<description><![CDATA[为了比较网站或者服务器的性能少不了压力测试工具。最受欢迎的是ab测试工具。ab测试工具随apache打包发布，所有应用起来十分方便。而webbench用起来更加的简单，参数很少简单易懂.
1. ab
   根目录： 在apache的根目录下面。
   测试例子： ab -n 10000 -c 100 -t  10 http://www.test.com/
   参数: -n 表示请求总数， -c 表示并发数. -t 表示请求时间限制
  Usage: ab [options] [http[s]://]hostname[:port]/path
Options are:
    -n requests     Number of requests to perform
    -c concurrency  Number of [...]]]></description>
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