Re: pgsql: Improve autovacuum logging for aggressive andanti-wraparound ru

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От Nasby, Jim
Тема Re: pgsql: Improve autovacuum logging for aggressive andanti-wraparound ru
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Msg-id 57414BDC-71F7-4CDD-8A59-3F277C3207ED@amazon.com
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Ответ на Re: pgsql: Improve autovacuum logging for aggressive andanti-wraparound ru  (Andres Freund <andres@anarazel.de>)
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> On Sep 24, 2018, at 1:29 PM, Andres Freund <andres@anarazel.de> wrote:
> 
> I'm very doubtful this is an improvement. Especially with the upcoming
> pluggable storage work making vacuumlazy.c heap specific, while vacuum.c
> stays generic.  The concept of something like
> PROC_VACUUM_FOR_WRAPAROUND, should imo not be pushed down that much
> (even if criteria for it might).

That’s already a problem since vacuum logging is spread all over while autovac logging is not. Perhaps there needs to
besome sort of vacuum_log() function that immediately provides output for manual vacuums, but aggregates output for
autovac.AFAIK that’s the only real reason for autovac logging being a special case today. 

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