Re: 4s query want to run faster - Mailing list pgsql-performance

From Adonias Malosso
Subject Re: 4s query want to run faster
Date
Msg-id 8a5d3c890802211323j2a7e2ebdye42f988222046e44@mail.gmail.com
Whole thread Raw
In response to Re: 4s query want to run faster  ("Claus Guttesen" <kometen@gmail.com>)
Responses Re: 4s query want to run faster  (Mark Kirkwood <markir@paradise.net.nz>)
List pgsql-performance
Set random_page_cost = 2 solved the problem. thanks

On Thu, Feb 21, 2008 at 6:16 PM, Claus Guttesen <kometen@gmail.com> wrote:
> > > why it doesn´t use index for the primary keys in the join conditions?
> >
> > Maby random_page_cost is set too high? What version are you using?
>
> Postgresql v. 8.2.1

You can try to lower this value. The default (in 8.3) is 4.

--
regards
Claus

When lenity and cruelty play for a kingdom,
the gentlest gamester is the soonest winner.

Shakespeare

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