Re: First draft of the PG 15 release notes

On Sat, Jul 2, 2022 at 08:13:41PM -0400, Bruce Momjian wrote:
> On Fri, Jul 1, 2022 at 09:56:17AM -0700, Peter Geoghegan wrote:
> > On Fri, Jul 1, 2022 at 9:41 AM Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> > > > It might be worth explaining the shift directly in the release notes.
> > > > The new approach is simpler and makes a lot more sense -- why should
> > > > the relfrozenxid be closely tied to freezing? We don't necessarily
> > >
> > > I don't think this is an appropriate detail for the release notes.
> >
> > Okay. What about saying something about relminmxid advancement where
> > the database consumes lots of multixacts?
>
> No. same issue.

Actually, I was wrong. I thought that we only mentioned that we
computed a more agressive xid, but now see I was mentioning the _frozen_
xid. Reading the commit, we do compute the multi-xid and store that too
so I have updated the PG 15 release notes with the attached patch.

--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com

Indecision is a decision. Inaction is an action. Mark Batterson