Re: log_duration and \timing times repeatably much higher

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От Bruce Momjian
Тема Re: log_duration and \timing times repeatably much higher
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Msg-id 200310111602.h9BG2gN08641@candle.pha.pa.us
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Ответ на Re: log_duration and \timing times repeatably much higher  (Alvaro Herrera <alvherre@dcc.uchile.cl>)
Ответы Re: log_duration and \timing times repeatably much higher
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Alvaro Herrera wrote:
> On Sat, Oct 11, 2003 at 11:22:36AM -0400, Bruce Momjian wrote:
> > Martijn van Oosterhout wrote:
> > -- Start of PGP signed section.
> > > Planning time?
> >
> > Uh, I thought the actual number reported by EXPLAIN ANALYZE includes
> > parse/plan times, but now that you mention it, if it is timing things
> > inside the executor, it might be just executor times.
> >
> > Looking at explain.c, it is only timing the executor part in
> > ExplainOnePlan().  The planner() call is outside that loop, so it must
> > be parse/plan, though that seems like a lot of time spent in that area.
>
> Could it be because of extremely large statistics settings for the
> tables involved?

Which large statistics?  Does he more than the default number of
statistics buckets?

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