Re: Option to not use ringbuffer in VACUUM, using it in failsafe mode

From: Andres Freund <andres(at)anarazel(dot)de>
To: Peter Geoghegan <pg(at)bowt(dot)ie>
Cc: pgsql-hackers(at)postgresql(dot)org, Robert Haas <robertmhaas(at)gmail(dot)com>, Melanie Plageman <melanieplageman(at)gmail(dot)com>, David Rowley <dgrowleyml(at)gmail(dot)com>
Subject: Re: Option to not use ringbuffer in VACUUM, using it in failsafe mode
Date: 2023-01-11 18:58:54
Message-ID: 20230111185854.5srlvequbxbg5p6c@awork3.anarazel.de
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Hi,

On 2023-01-11 10:35:19 -0800, Peter Geoghegan wrote:
> On Wed, Jan 11, 2023 at 10:27 AM Andres Freund <andres(at)anarazel(dot)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.

Any idea about the name? The obvious thing is to reference ring buffers in the
option name, but that's more of an implementation detail...

Some ideas:

USE_RING_BUFFERS on|off
SCAN_PROTECTION on|off
REUSE_BUFFERS on|off
LIMIT_BUFFER_USAGE on|off

Regards,

Andres

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