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

From: Andrew Sullivan <ajs(at)crankycanuck(dot)ca>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Performance query about large tables, lots of concurrent access
Date: 2007-06-21 17:11:48
Message-ID: 20070621171148.GC5500@phlogiston.dyndns.org
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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.

What kind of RAID? It's _easy_ to get faster disk that 6 drives in
RAID5, even if they're 15,000 RPM. The rotation speed is the least
of your problems in many RAID implementations.

A

--
Andrew Sullivan | ajs(at)crankycanuck(dot)ca
"The year's penultimate month" is not in truth a good way of saying
November.
--H.W. Fowler

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