Re: [PATCH] Discard aborted updaters when expanding a multixact

From: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
To: Chee Wooson <wuqi(at)vastdata(dot)com(dot)cn>, Lionel Hamayon <lionel(dot)hamayon(at)evolution-digitale(dot)fr>
Cc: pgsql-hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, "chee(dot)wooson" <chee(dot)wooson(at)gmail(dot)com>
Subject: Re: [PATCH] Discard aborted updaters when expanding a multixact
Date: 2026-10-15 08:43:31
Message-ID: 78b8b6e9-085c-488f-8777-2014e8ac4181@iki.fi
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On 13/10/2026 04:47, Chee Wooson wrote:
> Hi,
>
> Thanks for testing this and for the simple SQL reproducer!

+1

> I also reproduced this issue under TPC-C workloads without using
> injection points. It's nice to have a smaller, self-contained
> reproducer that makes the issue easier to investigate and verify.
>
> The results with v5 are encouraging. The reproductions on 18.1 and
> 18.4 also confirm that released versions are affected, which will help
> make the case for back-patching once the fix is committed.

Ok, committed and backported to all supported versions. Thanks!

- Heikki

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