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Friday, November 13, 2009


If you need I/O performance bust it might worth to turn on noatime flag on important partitions. Look down to see how it pushed down the read level on a server with Apache serving a static content.

Usually I add noatime flag during a system installation, but this time forgot about it and had to remount the file system. Thanks that mistake I got this beautiful image ;)
You can go even further and turn on nodiratime, it should decrease read even more.
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