Re: Correcting freeze conflict horizon calculation

Melanie Plageman <melanieplageman@gmail.com>

From: Melanie Plageman <melanieplageman@gmail.com>
To: Peter Geoghegan <pg@bowt.ie>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Andres Freund <andres@anarazel.de>, Heikki Linnakangas <hlinnaka@iki.fi>
Date: 2026-03-10T19:28:12Z
Lists: pgsql-hackers
On Tue, Mar 10, 2026 at 12:54 PM Peter Geoghegan <pg@bowt.ie> wrote:
>
> Yes. This LGTM.

Thanks! I pushed it.

- Melanie



Commits

  1. Use the newest to-be-frozen xid as the conflict horizon for freezing

  2. Avoid hot standby cancels from VAC FREEZE