Skip site navigation (1) Skip section navigation (2)

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 (view raw or flat)
Thread:
Lists: 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(at)crankycanuck(dot)ca
"The year's penultimate month" is not in truth a good way of saying
November.
		--H.W. Fowler

In response to

Responses

pgsql-performance by date

Next:From: Andrew SullivanDate: 2007-06-21 17:17:33
Subject: Re: vacuum a lot of data when insert only
Previous:From: Steven FlattDate: 2007-06-21 17:09:57
Subject: Database-wide VACUUM ANALYZE

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group