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From: Jeroen van Iddekinge <iddekingej@lycos.com>
To: pgsql-performance@postgresql.org
Subject: Re: sequence scan on PK
Date: Sun, 08 May 2005 20:15:38 +0000
Message-ID: <427E736A.4030107@lycos.com> (raw)
In-Reply-To: <427E46C7.1080208@beccati.com>
References: <427E2941.9070105@lycos.com>
	<427E17BC.7050407@arbash-meinel.com>
	<427E5130.7020702@lycos.com>
	<427E3BE6.5040702@beccati.com>
	<427E5B2E.7020001@lycos.com>
	<427E46C7.1080208@beccati.com>

Matteo Beccati wrote:

> Hi,
>
>> Yes , it was a bit to high (18) so a lowered it. It speeded up some 
>> pages for about 5%.
>
>
> 18? The default is 4 if I can remember correctly. I wonder if your db 
> has ever seen an index scan ;)
>

I was expermenting how much some setting influence has on the perfomance 
of some web application.
So I think i forgot to change the setting back and got some strange 
query plans.

Thanks
Jer




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