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Re: SSD performance

From: James Mansion <james(at)mansionfamily(dot)plus(dot)com>
To: Craig Ringer <craig(at)postnewspapers(dot)com(dot)au>
Cc: Luke Lonergan <LLonergan(at)greenplum(dot)com>, david(at)lang(dot)hm, glynastill(at)yahoo(dot)co(dot)uk, pgsql-performance(at)postgresql(dot)org
Subject: Re: SSD performance
Date: 2009-01-27 06:37:39
Message-ID: (view raw or whole thread)
Lists: pgsql-performance
Craig Ringer wrote:
> These devices would be interesting for a few uses, IMO. One is temp
> table space and sort space in Pg. Another is scratch space for apps
> (like Photoshop) that do their own VM management. There's also potential
Surely temp tables and sort space isn't subject to fsync and won't gain 
that much since they
should stay in the OS cache?  The device will surely help seek- or 
sync-bound tasks.

Doesn't that make it a good candidate for WAL and hot tables?


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