Re: another autovacuum scheduling thread

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От David Rowley
Тема Re: another autovacuum scheduling thread
Дата
Msg-id CAApHDvq5x+Su54QFhQDTkz+oUG2XbPGugOgp2YbhrTXTbbrGJQ@mail.gmail.com
обсуждение исходный текст
Ответ на Re: another autovacuum scheduling thread  (Peter Geoghegan <pg@bowt.ie>)
Список pgsql-hackers
On Sat, 25 Oct 2025 at 10:14, Peter Geoghegan <pg@bowt.ie> wrote:
>
> On Wed, Oct 22, 2025 at 3:35 PM David Rowley <dgrowleyml@gmail.com> wrote:
> > If we had the varying sleep time as I mentioned above, the
> > failsafe code could even be removed as the
> > "autovacuum_vacuum_cost_delay / <tables score>" calculation would
> > effectively zero the sleep time with any table > failsafe age.
>
> I'm not sure what you mean by "the failsafe could be removed".
> Importantly, the failsafe will abandon all further index vacuuming.
> That's why it's presented as something that you as a user are not
> supposed to rely on.

I didn't realise it did that too. I thought it just dropped the delay
to zero. In that case, I revoke the statement.

David



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