Re: Performance decrease

From: "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
To: Radovan Antloga <radovan(dot)antloga(at)siol(dot)net>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Performance decrease
Date: 2006-04-20 17:00:07
Message-ID: 20060420170007.GA49405@pervasive.com
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On Thu, Apr 20, 2006 at 06:10:21PM +0200, Radovan Antloga wrote:
> I have once or twice a month update on many records (~6000) but
> not so many. I did not expect PG would have problems with
> updating 15800 records.

And generally speaking, it doesn't. But you do need to ensure that
you're vacuuming the database frequently enough. Autovacuum is a good
way to do that.

> My test was on Windows XP SP2.
> I have AMD 64 2.1 GHz cpu with
> 1GB ram.

One think to keep in mind is that the windows code is rather new, so it
is possible to find some performance issues there.
--
Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461

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