Horton

Re: BUG #17116: Assert failed in SerialSetActiveSerXmin() on commit of parallelized serializable transaction

Alexander Law <exclusion@gmail.com>

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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>, heikki.linnakangas@iki.fi, Kevin Grittner <kgrittn@gmail.com>
Date: 2022-01-16T06:00:01Z
Lists: pgsql-bugs 
15.01.2022 08:41, Thomas Munro wrote:
> On Mon, Jan 10, 2022 at 6:00 AM Alexander Lakhin <exclusion@gmail.com> wrote:
>> 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.
> Thanks!  Yeah, please go ahead.
Thank you! Done:
https://www.postgresql.org/message-id/17368-98a4f99e8e4b4402%40postgresql.org

Best regards,
Alexander

Commits

  1. Fix race in SERIALIZABLE READ ONLY.

  2. Fix assert failures in parallel SERIALIZABLE READ ONLY.

  3. Fix SxactGlobalXmin tracking.

  4. There's a small window wherein a transaction is committed but not yet