Re: Performance query about large tables, lots of concurrent access

From: Michael Stone <mstone+postgres(at)mathom(dot)us>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Performance query about large tables, lots of concurrent access
Date: 2007-06-25 11:37:48
Message-ID: 20070625113746.GY19959@mathom.us
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On Thu, Jun 21, 2007 at 12:29:49PM -0400, Karl Wright wrote:
>I checked the disk picture - this is a RAID disk array with 6 drives,
>with a bit more than 1Tbyte total storage. 15,000 RPM. It would be
>hard to get more/faster disk than that.

Well, it's not hard to more disk than that, but you'd probably have to
look at an external storage array (or more than one). A larger number of
larger/slower drives, splitting indices away from data, etc., will
almost certainly outperform 6 disks, 15k RPM or not.

Mike Stone

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