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	<title>Frequently Asked Questions About Linux / UNIX &#187; access time</title>
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		<title>Linux Disable /var Access Time Updates ( noatime )</title>
		<link>http://www.cyberciti.biz/faq/linux-noatime-ext3-ext4-fstab-configuration/</link>
		<comments>http://www.cyberciti.biz/faq/linux-noatime-ext3-ext4-fstab-configuration/#comments</comments>
		<pubDate>Fri, 27 Nov 2009 10:10:30 +0000</pubDate>
		<dc:creator>Vivek Gite</dc:creator>
				<category><![CDATA[CentOS]]></category>
		<category><![CDATA[Debian / Ubuntu]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[RedHat and Friends]]></category>
		<category><![CDATA[Suse]]></category>
		<category><![CDATA[Ubuntu Linux]]></category>
		<category><![CDATA[/etc/fstab]]></category>
		<category><![CDATA[access time]]></category>
		<category><![CDATA[access times]]></category>
		<category><![CDATA[linux access timerelatime]]></category>
		<category><![CDATA[linux ext4 noatime]]></category>
		<category><![CDATA[linux file system]]></category>
		<category><![CDATA[linux noatime ext3]]></category>
		<category><![CDATA[linux noatime relatime]]></category>
		<category><![CDATA[mount command]]></category>
		<category><![CDATA[mount noatime]]></category>
		<category><![CDATA[performance benefit]]></category>
		<category><![CDATA[server workloads]]></category>
		<category><![CDATA[time updates]]></category>

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		<description><![CDATA[<div style='float:right;margin-top:0px;margin-left:5px;'><a href='http://www.cyberciti.biz/faq/category/linux/' title='See all GNU/Linux related FAQ'><img src='http://c.cyberciti.biz/cbzcache/3rdparty/linux-logo.png' border='0' /></a></div>
<span class="drop_cap">I</span>'ve configured and mounted /var for squid caching and other purposes under Linux. I've noticed that the Linux file system keeps records of when files are created, updated, and accessed. My /var is exclusively used for caching purpose and I do not want to waste disk I/O while updating last-time-read attribute during reads and writes to files. How do I disable access time updates for /var partition?]]></description>
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		<title>Linux: Tune NFS Performance</title>
		<link>http://www.cyberciti.biz/faq/linux-unix-tuning-nfs-server-client-performance/</link>
		<comments>http://www.cyberciti.biz/faq/linux-unix-tuning-nfs-server-client-performance/#comments</comments>
		<pubDate>Tue, 04 Mar 2008 18:30:06 +0000</pubDate>
		<dc:creator>Vivek Gite</dc:creator>
				<category><![CDATA[AIX]]></category>
		<category><![CDATA[BASH Shell]]></category>
		<category><![CDATA[CentOS]]></category>
		<category><![CDATA[Debian / Ubuntu]]></category>
		<category><![CDATA[File system]]></category>
		<category><![CDATA[FreeBSD]]></category>
		<category><![CDATA[Hardware]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[RedHat and Friends]]></category>
		<category><![CDATA[Solaris-Unix]]></category>
		<category><![CDATA[UNIX]]></category>
		<category><![CDATA[Ubuntu Linux]]></category>
		<category><![CDATA[fedora linux]]></category>
		<category><![CDATA[storage]]></category>
		<category><![CDATA[access control list]]></category>
		<category><![CDATA[access time]]></category>
		<category><![CDATA[actual size]]></category>
		<category><![CDATA[attribute]]></category>
		<category><![CDATA[attributes]]></category>
		<category><![CDATA[client performance]]></category>
		<category><![CDATA[fine tune]]></category>
		<category><![CDATA[linux operating systems]]></category>
		<category><![CDATA[maximum size]]></category>
		<category><![CDATA[nfs clients]]></category>
		<category><![CDATA[nfs server]]></category>
		<category><![CDATA[performance penalty]]></category>
		<category><![CDATA[reading files]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[workloads]]></category>

		<guid isPermaLink="false">http://www.cyberciti.biz/faq/?p=2651</guid>
		<description><![CDATA[<div style='float:right;margin-top:0px;margin-left:5px;'><a href='http://www.cyberciti.biz/faq/category/linux/' title='See all GNU/Linux related FAQ'><img src='http://figs.cyberciti.biz/3rdparty/linux-logo.png' border='0' /></a></div>
<span style='color: rgb(255, 0, 0);'>Q. </span>What values can be tuned to improve NFS performance? How do I improve my NFS sever and client performance under Linux operating systems?]]></description>
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		<title>Linux Optimize Directories ( File Access Time ) in ext3 Filesystem</title>
		<link>http://www.cyberciti.biz/faq/tunning-linux-ext3-filesystem/</link>
		<comments>http://www.cyberciti.biz/faq/tunning-linux-ext3-filesystem/#comments</comments>
		<pubDate>Sat, 05 Jan 2008 12:08:23 +0000</pubDate>
		<dc:creator>Vivek Gite</dc:creator>
				<category><![CDATA[CentOS]]></category>
		<category><![CDATA[Debian / Ubuntu]]></category>
		<category><![CDATA[File system]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[RedHat and Friends]]></category>
		<category><![CDATA[Suse]]></category>
		<category><![CDATA[Troubleshooting]]></category>
		<category><![CDATA[Ubuntu Linux]]></category>
		<category><![CDATA[access time]]></category>
		<category><![CDATA[binary trees]]></category>
		<category><![CDATA[directory structure]]></category>
		<category><![CDATA[e2fsck]]></category>
		<category><![CDATA[e2fsck command]]></category>
		<category><![CDATA[ext3 file system]]></category>
		<category><![CDATA[ext3 journaling]]></category>
		<category><![CDATA[fedora filesystem]]></category>
		<category><![CDATA[file server]]></category>
		<category><![CDATA[filesystem]]></category>
		<category><![CDATA[group summary]]></category>
		<category><![CDATA[improve linux filesystem performance]]></category>
		<category><![CDATA[improvements]]></category>
		<category><![CDATA[man page]]></category>
		<category><![CDATA[optimization]]></category>
		<category><![CDATA[root user]]></category>
		<category><![CDATA[server performance]]></category>
		<category><![CDATA[single user mode]]></category>
		<category><![CDATA[tune linux ext3 filesystem]]></category>
		<category><![CDATA[tune linux file systems]]></category>

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Q. I'm using CentOS Linux 5  server with ext3 on /disk2 (/dev/sdb1). How do I improve my file server performance. I've many large files in directories and how do I speed up access time?

A. Use e2fsck command. The -D option causes e2fsck to try to optimize all  directories,  either  by  [...]]]></description>
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		<slash:comments>18</slash:comments>
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