Re: bitmap-index-scan slower than normal index scan

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От A. Kretschmer
Тема Re: bitmap-index-scan slower than normal index scan
Дата
Msg-id 20070711193158.GA28352@a-kretschmer.de
обсуждение исходный текст
Ответ на Re: bitmap-index-scan slower than normal index scan  ("Alex Deucher" <alexdeucher@gmail.com>)
Ответы Re: bitmap-index-scan slower than normal index scan  ("Alex Deucher" <alexdeucher@gmail.com>)
Список pgsql-performance
am  Wed, dem 11.07.2007, um 14:52:01 -0400 mailte Alex Deucher folgendes:
> >Okay, i got a really different plan, but i expected _NOT_ a
> >performance-boost like this. I expected the opposite.
> >
> >
> >It's not a really problem, i just played with this. But i'm confused
> >about this...
> >
>
> your results are getting cached.  try two queries in a row with the same
> plan.

Thanks for the response, but I've done this, no difference.


Andreas
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Andreas Kretschmer
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