Re: Option to not use ringbuffer in VACUUM, using it in failsafe mode - Mailing list pgsql-hackers

From Peter Geoghegan
Subject Re: Option to not use ringbuffer in VACUUM, using it in failsafe mode
Date
Msg-id CAH2-Wzmv-k4QWjUhasa2UM8s82ZxOzuJGj_PKq1uOu4a7bsTTw@mail.gmail.com
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In response to Option to not use ringbuffer in VACUUM, using it in failsafe mode  (Andres Freund <andres@anarazel.de>)
Responses Re: Option to not use ringbuffer in VACUUM, using it in failsafe mode
List pgsql-hackers
On Wed, Jan 11, 2023 at 10:27 AM Andres Freund <andres@anarazel.de> wrote:
> Therefore I'd like to add an option to the VACUUM command to use to disable
> the use of the ringbuffer. Not sure about the name yet.

Sounds like a good idea.

> I think we should auto-enable that mode once we're using the failsafe mode,
> similar to [auto]vacuum cost delays getting disabled
> (c.f. lazy_check_wraparound_failsafe()). If things are bad enough that we're
> soon going to shut down, we want to be aggressive.

+1

-- 
Peter Geoghegan



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