Re: FSM search modes

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От Kevin Grittner
Тема Re: FSM search modes
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Msg-id 4AC4E420020000250002B590@gw.wicourts.gov
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Ответ на Re: FSM search modes  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
Ответы Re: FSM search modes  (Tom Lane <tgl@sss.pgh.pa.us>)
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"Kevin Grittner" <Kevin.Grittner@wicourts.gov> wrote: 
> I think it would make sense to just start using this once you get
> into the last half or quarter of the free pages.  If you go with the
> last quarter, then you might want to use a higher probability than I
> suggested above, although that would tend to leave you with
> contention when all the free space was in the last quarter.  I'd be
> inclined to use something like the above probability and start using
> it at 50%.
Fuzzy thinking there -- if it's the last quarter of the *free* pages,
the suggested probabilities should be fine.  (Somehow I got to
thinking, for a moment, that it would be the last quarter of the
relation's overall pages....)
-Kevin


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