From: Antonin Houska <ah@cybertec.at>
To: Mihail Nikalayeu <mihailnikalayeu@gmail.com>
cc: Alvaro Herrera <alvherre@alvh.no-ip.org>,
    Pg Hackers <pgsql-hackers@lists.postgresql.org>,
    Robert Treat <rob@xzilla.net>, Fujii Masao <masao.fujii@gmail.com>
Subject: Re: Adding REPACK [concurrently]
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Comments: In-reply-to Mihail Nikalayeu <mihailnikalayeu@gmail.com>
   message dated "Tue, 02 Sep 2025 12:44:27 +0200."
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Date: Wed, 03 Sep 2025 11:55:34 +0200
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Mihail Nikalayeu <mihailnikalayeu@gmail.com> wrote:

> While testing MVCC-safe version with stress-tests
> 007_repack_concurrently_mvcc.pl I encountered some random crashes with
> such logs:
> 
> 25-09-02 12:24:40.039 CEST client backend[261907]
> 007_repack_concurrently_mvcc.pl ERROR:  relcache reference
> 0x7715b9f394a8 is not owned by resource owner TopTransaction
> ...
> This time I was clever and tried to attempt to reproduce the issue on
> a non-MVCC safe version at first - and it is reproducible.

Thanks again for a thorough testing!

I think this should be fixed separately [1].

[1] https://www.postgresql.org/message-id/119497.1756892972%40localhost

-- 
Antonin Houska
Web: https://www.cybertec-postgresql.com