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Re: experiments in query optimization

От: Matthew Wakeling
Тема: Re: experiments in query optimization
Дата: ,
Msg-id: alpine.DEB.2.00.1003311028150.9798@aragorn.flymine.org
(см: обсуждение, исходный текст)
Ответ на: Re: experiments in query optimization  (Faheem Mitha)
Ответы: Re: experiments in query optimization  (Faheem Mitha)
Список: pgsql-performance

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experiments in query optimization  (Faheem Mitha, )
 Re: experiments in query optimization  (Robert Haas, )
  Re: experiments in query optimization  (Faheem Mitha, )
   Re: experiments in query optimization  (Robert Haas, )
    Re: experiments in query optimization  (Faheem Mitha, )
   Re: experiments in query optimization  ("Kevin Grittner", )
    Re: experiments in query optimization  (Faheem Mitha, )
     Re: experiments in query optimization  (Robert Haas, )
      Re: experiments in query optimization  (Faheem Mitha, )
       Re: experiments in query optimization  (Robert Haas, )
       Re: experiments in query optimization  (Faheem Mitha, )
        Re: experiments in query optimization  (Eliot Gable, )
         Re: experiments in query optimization  (Faheem Mitha, )
          Re: experiments in query optimization  (Robert Haas, )
           Re: experiments in query optimization  (Faheem Mitha, )
            Re: experiments in query optimization  (Eliot Gable, )
             Re: experiments in query optimization  (Faheem Mitha, )
     Re: experiments in query optimization  (Matthew Wakeling, )
      Re: experiments in query optimization  (Faheem Mitha, )
    Re: experiments in query optimization  (Faheem Mitha, ) 
On Tue, 30 Mar 2010, Faheem Mitha wrote:
>>> work_mem = 1 GB (see diag.{tex/pdf}).
>
> Sure, but define sane setting, please. I guess part of the point is that I'm
> trying to keep memory low

You're trying to keep memory usage low, but you have work_mem set to 1GB?

Matthew

--
"Prove to thyself that all circuits that radiateth and upon which thou worketh
 are grounded, lest they lift thee to high-frequency potential and cause thee
 to radiate also. "             -- The Ten Commandments of Electronics

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