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	<title>扶凯 &#187; 性能</title>
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	<description>Perl Linux CDN Video</description>
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		<title>Squid 不同版本的性能对比</title>
		<link>http://www.php-oa.com/2010/07/08/squid-2-6-2-7-3-0.html</link>
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		<pubDate>Thu, 08 Jul 2010 07:19:13 +0000</pubDate>
		<dc:creator>扶 凯</dc:creator>
				<category><![CDATA[CDN 技术]]></category>
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		<category><![CDATA[加速]]></category>
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		<description><![CDATA[对比目前所有 squid 的标准版本中性能的对比,以及确认Squid 2.7 和 Squid 3.1 的性能有多大分别.每次不同的测试前,一定要清掉上一次的 cache_dir 中的 cache 的 object . 测试方法： 1.每次在测试前,先删... ]]></description>
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		<title>快些,在快些,perl的小优化</title>
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		<pubDate>Sun, 20 Dec 2009 14:57:55 +0000</pubDate>
		<dc:creator>扶 凯</dc:creator>
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		<description><![CDATA[一个小程序的简单优化,经过大师指点后速度的分别

[root@localhost ~]# time cat 5000 &#124;perl check.pl  >/tmp/b

real    5m59.953s
user    5m59.956s
sys     0m0.105s
[root@localhost ~]# time cat 5000 &#124;perl check1.pl  >/tmp... ]]></description>
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		<title>ext3,ext4,xfs的性能测试对比</title>
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		<pubDate>Tue, 10 Mar 2009 10:59:57 +0000</pubDate>
		<dc:creator>扶 凯</dc:creator>
				<category><![CDATA[默认]]></category>
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		<description><![CDATA[&#160; 上周用iozone对ext3,ext4,xfs做了一次全面的测试,不同的块大小,不同的文件大小,读写,重读,写,重写,大块重写之类的性能进行了全面的测试. &#160;&#160;&#160; ext4的稳定版本是2.6.28,所以在这个测试... ]]></description>
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		<title>linux的free命令详解-内存是拿来用的不是拿来看的</title>
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		<pubDate>Fri, 04 Apr 2008 15:59:41 +0000</pubDate>
		<dc:creator></dc:creator>
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		<category><![CDATA[free]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[内存]]></category>
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		<description><![CDATA[&#160; 我告诉有朋友我一直用linux.他问我了一下我为什么linux使用的内存这么高.他讲他1G的内在free才232M.讲win xp才用200M的样子. 其实啊.linux的内存是很说究的. 如下显示free是显示的当前内存的使... ]]></description>
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		<title>Web服务器:Linux和Windows性能谁称王?</title>
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		<pubDate>Tue, 16 Oct 2007 19:28:00 +0000</pubDate>
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		<description><![CDATA[有许多因素会影响网站的性能,从最终使用者的角度出发,即ISP互联网接入商,服务器参数,编程语言,应用结构等.其中一个重要因素就是服务器操作系统的选择. 多数用户会在Linux和Windows之间选择,... ]]></description>
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