Re: Usage up to 50% CPU

От: Michael Stone
Тема: Re: Usage up to 50% CPU
Дата: ,
Msg-id: 20070427125242.GZ2422@mathom.us
(см: обсуждение, исходный текст)
Ответ на: Re: Usage up to 50% CPU  (Shane Ambler)
Ответы: Re: Usage up to 50% CPU  ("Andres Retzlaff")
Список: pgsql-performance

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Usage up to 50% CPU  ("Andres Retzlaff", )
 Re: Usage up to 50% CPU  (Magnus Hagander, )
  Re: Usage up to 50% CPU  ("Andres Retzlaff", )
   Re: Usage up to 50% CPU  (Magnus Hagander, )
    Re: Usage up to 50% CPU  (Shane Ambler, )
     Re: Usage up to 50% CPU  (Michael Stone, )
      Re: Usage up to 50% CPU  ("Andres Retzlaff", )

On Fri, Apr 27, 2007 at 07:23:41PM +0930, Shane Ambler wrote:
>I would think that as you are sitting and watching the cpu usage, your
>query would seem to taking a while to run, leading me to wonder if you
>are getting a full table scan that is causing pg to wait for disk response?

If so, you probably wouldn't be seeing that much cpu usage... (if the
cpu is waiting for disk it's idling)

Mike Stone


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