Re: 7.4 dramatically slower than 7.3?

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От Nabil Sayegh
Тема Re: 7.4 dramatically slower than 7.3?
Дата
Msg-id 4072CE75.3030907@e-trolley.de
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Ответ на Re: 7.4 dramatically slower than 7.3?  (Stephan Szabo <sszabo@megazone.bigpanda.com>)
Ответы Re: 7.4 dramatically slower than 7.3?  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: 7.4 dramatically slower than 7.3?  (Stephan Szabo <sszabo@megazone.bigpanda.com>)
Список pgsql-novice
Stephan Szabo wrote:

> One other possibility is that the planning is taking a really long time.
> How long do explain (non-analyze) on the two systems take?  And how many
> joins are there precisely?

Yeah, that seems to be it.
It takes ~
(real) 3.776s on 7.4
(real) 0.082s on 7.3
measured with bash/time but shouldn't make a difference

So the plan is actually better but takes much longer to ... plan, right?

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