Re: suboverflowed subtransactions concurrency performance optimize

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, Pengchengliu <pengchengliu(at)tju(dot)edu(dot)cn>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: suboverflowed subtransactions concurrency performance optimize
Date: 2022-05-27 19:30:04
Message-ID: CAH2-WzkCONe3BVM22TnGRmGLmRuJN9=p8tTgLCPAbnQU1WA+xw@mail.gmail.com
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On Fri, May 27, 2022 at 11:59 AM Andres Freund <andres(at)anarazel(dot)de> wrote:
> On 2022-05-27 11:48:45 -0700, Peter Geoghegan wrote:
> > I find it hard to believe that there wasn't even a cursory effort at
> > performance validation before this was committed, but that's what it
> > looks like.
>
> Yea. Imo this pretty clearly should be reverted. It has correctness issues,
> testing issues and we don't know whether it does anything useful.

It should definitely be reverted.

--
Peter Geoghegan

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