Re: Perfomance Tuning

From: Sean Chittenden <sean(at)chittenden(dot)org>
To: Christopher Browne <cbbrowne(at)acm(dot)org>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Perfomance Tuning
Date: 2003-08-13 23:23:30
Message-ID: 20030813232330.GB12595@perrin.int.nxad.com
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> Andrew Sullivan's fairly regular response is that he tried (albeit
> not VASTLY extensively) to distinguish between disks when working
> with fibre arrays, and he couldn't measure an improvement in
> shifting WAL (the OBVIOUS thing to shift) to separate disks.

Real quick... the faster the drives, the less important it is to move
WAL onto a different drive. The slower the drives, the more important
this is... which is why this isn't as necessary (if at all) for large
production environments.

-sc

--
Sean Chittenden

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