From: Dave Dutcher <dave@tridecap.com>
To: 'Luiz K. Matsumura' <luiz@planit.com.br>
Cc: pgsql-performance@postgresql.org
Subject: Re: Big diference in response time (query plan question)
Date: Wed, 16 Aug 2006 09:51:09 -0500
Message-ID: <00ab01c6c143$69499f40$8300a8c0@tridecap.com> (raw)
In-Reply-To: <44E32AA5.5090901@planit.com.br>
> -----Original Message-----
> From: pgsql-performance-owner@postgresql.org
> [mailto:pgsql-performance-owner@postgresql.org] On Behalf Of
> Luiz K. Matsumura
>
>
> Where I can see the current random_page_cost value ? There
> are some hint
> about what value I must set ?
> Thanks in advance.
> Luiz
On Linux the random_page_cost is set in the postgresql.conf file. You can
see what it is set to by typing "show random_page_cost". This page has some
guidelines on random_page_cost and other server settings:
http://www.powerpostgresql.com/PerfList/
As it says on the page, make sure you test a variety of queries.
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To: pgsql-performance@postgresql.org
Cc: dave@tridecap.com, luiz@planit.com.br
Subject: Re: Big diference in response time (query plan question)
In-Reply-To: <00ab01c6c143$69499f40$8300a8c0@tridecap.com>
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