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help / color / mirror / Atom feedFrom: Antonin Houska <[email protected]>
To: Mihail Nikalayeu <[email protected]>
Cc: Alvaro Herrera <[email protected]>
Cc: Pg Hackers <[email protected]>
Cc: Robert Treat <[email protected]>
Cc: Fujii Masao <[email protected]>
Subject: Re: Adding REPACK [concurrently]
Date: Mon, 01 Sep 2025 07:12:11 +0200
Message-ID: <4607.1756703531@localhost> (raw)
In-Reply-To: <CADzfLwWJqoG6uPt+HywKOFjXhqSbfCr+VXpfio9YQ6yqQaihPA@mail.gmail.com>
References: <[email protected]>
<[email protected]>
<CADzfLwWJqoG6uPt+HywKOFjXhqSbfCr+VXpfio9YQ6yqQaihPA@mail.gmail.com>
Mihail Nikalayeu <[email protected]> wrote:
> Hello!
>
> I started an attempt to make a "lightweight" MVCC-safe prototype and
> stuck into the "it is not working" issue.
> After some debugging I realized Antonin's variant (catalog-mode based)
> seems to be broken also...
>
> And after a few more hours I realized non-MVCC is broken as well :)
>
> This is a patch with a test to reproduce the issue related to repack +
> concurrent modifications.
> Seems like some updates may be lost.
>
> I hope the patch logic is clear - but feel free to ask if not.
Are you sure the test is complete? I see no occurrence of the REPACK command
in it.
--
Antonin Houska
Web: https://www.cybertec-postgresql.com
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Subject: Re: Adding REPACK [concurrently]
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