From: Josh Berkus <josh@agliodbs.com>
Reply-To: josh@agliodbs.com
Organization: Aglio Database Solutions
To: pgsql-performance@postgresql.org
Subject: Re: Performance on SUSE w/ reiserfs
Date: Mon, 10 Oct 2005 15:15:40 -0700
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Cc: Jon Brisbin <jon.brisbin@npcinternational.com>
References: <434ADD46.5060206@npcinternational.com>
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Jon,

> Any help you can give in this would be extrememly helpful as I'm very
> far from an expert on Linux filesystems and postgres tuning.

See Tom's response; it may be that you don't have an issue at all.

If you do, it's probably the kernel, not the FS.  2.6.8 and a few other 
2.6.single-digit kernels had memory leaks in shmem that would cause 
gradually escalating swappage.  The solution to that one is to upgrade to 
2.6.11.

-- 
--Josh

Josh Berkus
Aglio Database Solutions
San Francisco