Re: How to optimize monstrous query, sorts instead of

От: Rod Taylor
Тема: Re: How to optimize monstrous query, sorts instead of
Дата: ,
Msg-id: 1057149922.28657.163.camel@jester
(см: обсуждение, исходный текст)
Ответ на: Re: How to optimize monstrous query, sorts instead of  ("Michael Mattox")
Ответы: Re: How to optimize monstrous query, sorts instead of  ("Michael Mattox")
Список: pgsql-performance

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How to optimize monstrous query, sorts instead of using index  ("Michael Mattox", )
 Re: How to optimize monstrous query, sorts instead of using index  (Rod Taylor, )
  Re: How to optimize monstrous query, sorts instead of using index  ("Michael Mattox", )
   Re: How to optimize monstrous query, sorts instead of  (Rod Taylor, )
    Re: How to optimize monstrous query, sorts instead of  ("Michael Mattox", )
     Re: How to optimize monstrous query, sorts instead of  (Rod Taylor, )
      Re: How to optimize monstrous query, sorts instead of  ("Michael Mattox", )
       Re: How to optimize monstrous query, sorts instead of  (Rod Taylor, )
        Re: How to optimize monstrous query, sorts instead of  ("Michael Mattox", )
        Re: How to optimize monstrous query, sorts instead of  ("Michael Mattox", )
         Re: How to optimize monstrous query, sorts instead of  ("Michael Mattox", )
          Re: How to optimize monstrous query, sorts instead of  (Rod Taylor, )
           Re: How to optimize monstrous query, sorts instead of  ("Michael Mattox", )
         Re: How to optimize monstrous query, sorts instead of  (Rod Taylor, )
       Re: How to optimize monstrous query, sorts instead of  (SZUCS Gábor, )
      Re: How to optimize monstrous query, sorts instead of  (Tom Lane, )
   Re: How to optimize monstrous query, sorts instead of using index  (SZUCS Gábor, )
    Re: How to optimize monstrous query, sorts instead of using index  ("Michael Mattox", )
     Re: How to optimize monstrous query, sorts instead of using index  (Tom Lane, )

On Wed, 2003-07-02 at 10:28, Michael Mattox wrote:
> > My postgresql.conf is attached in case I have it configured incorrectly.
>
> Forgot my postgres.conf..

Shared buffers is probably too high.  How much memory in this machine?
Is there anything else running aside from PostgreSQL?  What does top say
about cached / buffered data (number)

I see you reduced the random_page_cost to 1.5.  Why did you do this (how
is your disk subsystem configured)?

--
Rod Taylor <>

PGP Key: http://www.rbt.ca/rbtpub.asc

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