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

From Melanie Plageman
Subject Re: eliminate xl_heap_visible to reduce WAL (and eventually set VM on-access)
Date
Msg-id CAAKRu_Y9N44j7SFyEkymTjosfCGZVetraVciAOq0wSRswvxQZg@mail.gmail.com
Whole thread
In response to Re: eliminate xl_heap_visible to reduce WAL (and eventually set VM on-access)  (Melanie Plageman <melanieplageman@gmail.com>)
List pgsql-hackers
On Mon, Apr 20, 2026 at 11:48 AM Melanie Plageman
<melanieplageman@gmail.com> wrote:
>
> With shared buffers, while it is true you'd ideally leave the backend
> headroom for other read streams etc, it won't error out the way the
> temp table case does unless we've actually pinned all shared buffers.
> It will simply slow down the read ahead of the competing read streams.
>
> Attached is what I'm thinking of committing.

Okay, I committed this in da6874635db.

- Melanie



pgsql-hackers by date:

Previous
From: Paul A Jungwirth
Date:
Subject: Re: FOR PORTION OF does not recompute GENERATED STORED columns that depend on the range column
Next
From: Tom Lane
Date:
Subject: Re: [PATCH] Fix null pointer dereference in PG19