Re: eliminate xl_heap_visible to reduce WAL (and eventually set VM on-access)

From: Melanie Plageman <melanieplageman(at)gmail(dot)com>
To: David Rowley <dgrowleyml(at)gmail(dot)com>
Cc: Tomas Vondra <tomas(at)vondra(dot)me>, Andres Freund <andres(at)anarazel(dot)de>, Kirill Reshke <reshkekirill(at)gmail(dot)com>, Chao Li <li(dot)evan(dot)chao(at)gmail(dot)com>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, Xuneng Zhou <xunengzhou(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Subject: Re: eliminate xl_heap_visible to reduce WAL (and eventually set VM on-access)
Date: 2026-03-31 22:55:54
Message-ID: CAAKRu_Yge8KgpDMUEy0tc=Yy=rkLPJWX2hSNBKQs0_=_tycD_g@mail.gmail.com
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On Tue, Mar 31, 2026 at 6:14 PM David Rowley <dgrowleyml(at)gmail(dot)com> wrote:
>
> Since it's in already, maybe it'd be worth doing something more
> widespread after the freeze is over, changing just the ones new to
> v19.

That makes sense. I've put it on my todo list for post-freeze.

- Melanie

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