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

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От Andrew Sullivan
Тема Re: Performance query about large tables, lots of concurrent access
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Msg-id 20070621171148.GC5500@phlogiston.dyndns.org
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Ответ на Re: Performance query about large tables, lots of concurrent access  (Karl Wright <kwright@metacarta.com>)
Ответы Re: Performance query about large tables, lots of concurrent access  (Scott Marlowe <smarlowe@g2switchworks.com>)
Re: Performance query about large tables, lots of concurrent access  (Scott Marlowe <smarlowe@g2switchworks.com>)
Список pgsql-performance
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@crankycanuck.ca
"The year's penultimate month" is not in truth a good way of saying
November.
        --H.W. Fowler

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