Re: Debian Bug#506196: postgresql: consume too much power when idle (>10 wakeups/second)

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От Bruce Momjian
Тема Re: Debian Bug#506196: postgresql: consume too much power when idle (>10 wakeups/second)
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Msg-id 200901051609.n05G9n401456@momjian.us
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Ответ на Re: Debian Bug#506196: postgresql: consume too much power when idle (>10 wakeups/second)  (Tom Lane <tgl@sss.pgh.pa.us>)
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Tom Lane wrote:
> Alvaro Herrera <alvherre@commandprompt.com> writes:
> > I think we must blame bgwriter then.  I had a look at it some time ago
> > to how hard would it be to remove the useless wakeups and concluded that
> > it wasn't really worth the trouble.
>
> I've got similar complaints in the RH/Fedora bugzilla.  It's hard to fix
> in a portable way because of the lack of consistent select/poll
> semantics across various platforms.  See my previous notes about the
> lack of consistent EINTR behavior and whether we should really be using
> SA_RESTART.
>
> The short answer is "don't hold your breath".  It'd be nice to have a
> plan for improving things though.

Is this a TODO?

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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