Re: Large tables, ORDER BY and sequence/index scans

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От Milan Zamazal
Тема Re: Large tables, ORDER BY and sequence/index scans
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Msg-id 87k4vw4m8q.fsf@blackbird.nest.zamazal.org
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Ответ на Re: Large tables, ORDER BY and sequence/index scans  ("Albe Laurenz" <laurenz.albe@wien.gv.at>)
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>>>>> "AL" == Albe Laurenz <laurenz.albe@wien.gv.at> writes:

    AL> Did you try to reduce the cursor_tuple_fraction parameter?

No, good idea, thanks.  It helps.

The question is whether it's a good idea to reduce cursor_tuple_fraction
universally, without knowing the table size before (and I'm not going to
use SELECT COUNT(*) for well known reasons).  But I can probably
experiment a bit and will see, it looks promising.


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