<div dir="ltr">Hi Marcus,<div><br></div><div>I found a very good tuning guide from Red Hat.</div><div><br></div><div><a href="http://www.redhat.com/rhecm/rest-rhecm/jcr/repository/collaboration/sites%20content/live/redhat/web-cabinet/static-files/documents/20120530-Tuning-Red-Hat-Enterprise-Linux-6-for-databases">http://www.redhat.com/rhecm/rest-rhecm/jcr/repository/collaboration/sites%20content/live/redhat/web-cabinet/static-files/documents/20120530-Tuning-Red-Hat-Enterprise-Linux-6-for-databases</a><br>
</div><div><br></div><div>If you use RHEL 6 or the like, you should consider to install tuned & tuned-utils and activate the enterprise-storage profile as the baseline before going to more advanced tuning.</div><div><br>
</div><div>Cuong</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Dec 3, 2013 at 8:04 PM, Marcus Bointon <span dir="ltr"><<a href="mailto:marcus@synchromedia.co.uk" target="_blank">marcus@synchromedia.co.uk</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">On 3 Dec 2013, at 06:13, Robert Hajime Lanning <lanning@lanning.cc> wrote:<br>
<br>
> I have these tuned for my system:<br>
> vm.swappiness<br>
> vm.vfs_cache_pressure<br>
> vm.dirty_background_ratio<br>
> vm.dirty_ratio<br>
> vm.dirty_writeback_centisecs<br>
> vm.dirty_expire_centisecs<br>
><br>
> This pretty much goes for any storage server that is filesystem based (ext2/3/4,xfs,btrfs,zfs...)<br>
><br>
> Very important to tune these values when you have large amounts of RAM.<br>
<br>
</div>Do you happen to have any good guides on tuning those? I've only encountered swappiness before.<br>
<span class="HOEnZb"><font color="#888888"><br>
Marcus<br>
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