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From: Josh Berkus <josh@agliodbs.com>
To: Mark Kirkwood <mark.kirkwood@catalyst.net.nz>
Cc: postgres performance list <pgsql-performance@postgresql.org>
Subject: Re: High CPU usage / load average after upgrading to Ubuntu 12.04
Date: Tue, 19 Feb 2013 09:51:16 -0800
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In-Reply-To: <5122FF50.8030903@catalyst.net.nz>
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On 02/18/2013 08:28 PM, Mark Kirkwood wrote:
> Might be worth looking at your vm.dirty_ratio, vm.dirty_background_ratio
> and friends settings. We managed to choke up a system with 16x SSD by
> leaving them at their defaults...

Yeah?  Any settings you'd recommend specifically?  What did you use on
the SSD system?

-- 
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com


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