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From: Josh Berkus <josh@agliodbs.com>
To: Jean-Pierre Pelletier <pelletier_32@sympatico.ca>
Cc: pgsql-performance@postgresql.org
Subject: Re: Queries 15 times slower on 8.1 beta 2 than on 8.0
Date: Thu, 22 Sep 2005 16:16:25 -0700
Message-ID: <200509221616.25781.josh@agliodbs.com> (raw)
In-Reply-To: <BAYC1-PASMTP04CCFCE482D65D3FEDA93D95970@CEZ.ICE>
References: <BAYC1-PASMTP01EE67AD3A0034394D85D895970@CEZ.ICE>
	<200509221558.44027.josh@agliodbs.com>
	<BAYC1-PASMTP04CCFCE482D65D3FEDA93D95970@CEZ.ICE>

Jean-Pierre,

> effective_cache_size = 1000

Try setting this to 16,384 as a test.

> random_page_cost = 4

Try setting this to 2.5 as a test.

> work_mem = 20000

-- 
--Josh

Josh Berkus
Aglio Database Solutions
San Francisco

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  To: pgsql-performance@postgresql.org
  Cc: josh@agliodbs.com, pelletier_32@sympatico.ca
  Subject: Re: Queries 15 times slower on 8.1 beta 2 than on 8.0
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