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From: Alexander Lakhin <exclusion@gmail.com>
To: Thomas Munro <thomas.munro@gmail.com>
Cc: PostgreSQL mailing lists <pgsql-bugs@lists.postgresql.org>
Cc: heikki.linnakangas@iki.fi, Kevin Grittner <kgrittn@gmail.com>
Subject: Re: BUG #17116: Assert failed in SerialSetActiveSerXmin() on commit of parallelized serializable transaction
Date: Sun, 9 Jan 2022 20:00:00 +0300
Message-ID: <09825f99-97e3-daa1-3d84-05d7263da947@gmail.com> (raw)
In-Reply-To: <CA+hUKGJd-=mdUdS+Gh-FN4rZgAg4M-V==G7FMCU-KbUffyPJDw@mail.gmail.com>
References: <17116-d6ca217acc180e30@postgresql.org>
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	<CA+hUKGJd-=mdUdS+Gh-FN4rZgAg4M-V==G7FMCU-KbUffyPJDw@mail.gmail.com>

Hello Thomas,
30.07.2021 08:48, Thomas Munro wrote:
>>>> (Except for read-only-anomaly-3, that causes another
>>>> assertion fail but I believe that it's not related to the initial issue
>>>> and deserves another bug report.)
> The problem is that if we don't take the fast exit here:
You wouldn't mind if I file a separate bug report regarding the last
problem (not related to the initial bug report)?
Now I can propose a minimal reproduction for it, that can ease testing
and choosing the most appropriate fix.
As to v4-0001-Fix-assert-failures-in-parallel-SERIALIZABLE-READ.patch
you posted before, I believe it fixes the issues as expected and may be
committed at least to allow for advanced testing.

Best regards,
Alexander





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