Re: Nonrandom scanned_pages distorts pg_class.reltuples set by VACUUM

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Nonrandom scanned_pages distorts pg_class.reltuples set by VACUUM
Date: 2022-02-18 00:20:38
Message-ID: CAH2-Wz=NZZm=OT6phiXtLrjQxu2KG8XSuOEmzWB9wR05JVsYfw@mail.gmail.com
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On Thu, Feb 17, 2022 at 4:18 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> > What substantial changes are you referring to? The one thing that did
> > change was the commit message, which framed everything in terms of the
> > later work. It really is true that the patch that I committed was
> > essentially the same patch as the one posted on November 22, in both
> > style and substance. Before I really even began to think about the
> > freezing stuff. This is a matter of record.
>
> Here I was referencing your description of how the patch started ("purely as
> refactoring work"), and then evolved into something not just a refactoring.

Of course.

> If helpful I can give a go at showing how I think it could be split up. Or
> perhaps more productively, do that on a not-yet-committed larger patch.

Any help is appreciated.

--
Peter Geoghegan

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