Re: Vacuum Delay feature

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От Jan Wieck
Тема Re: Vacuum Delay feature
Дата
Msg-id 402296FA.7020709@Yahoo.com
обсуждение исходный текст
Ответ на Vacuum Delay feature  (Jan Wieck <JanWieck@Yahoo.com>)
Ответы Re: Vacuum Delay feature  (Bruce Momjian <pgman@candle.pha.pa.us>)
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Attached is a corrected version that solves the query cancel problem by
not napping any more and going full speed as soon as any signal is
pending. If nobody objects, I'm going to commit this tomorrow.


Jan


Jan Wieck wrote:

> The attached patch applies to CVS tip as of 02/05/2004 and implements
> the cost based vacuum delay feature.
>
> A detailed description with charts of different configuration settings
> can be found here:
>
>      http://developer.postgresql.org/~wieck/vacuum_cost/
>
> There is a problem left that seems to be related to Toms observations in
> the shutdown behaviour of the postmaster. My current guess is that the
> napping done via select(2) somehow prevents responding to the query
> abort signal.
>
>
> Jan
>


--
#======================================================================#
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#================================================== JanWieck@Yahoo.com #

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