agora inbox for pgsql-hackers@postgresql.org
help / color / mirror / Atom feedFrom: Antonin Houska <ah@cybertec.at>
To: Mihail Nikalayeu <mihailnikalayeu@gmail.com>
Cc: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: Pg Hackers <pgsql-hackers@lists.postgresql.org>
Cc: Robert Treat <rob@xzilla.net>
Cc: Fujii Masao <masao.fujii@gmail.com>
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: <202508301750.cbohxyy2pcce@alvherre.pgsql>
<202508311209.gnvpor56qkdc@alvherre.pgsql>
<CADzfLwWJqoG6uPt+HywKOFjXhqSbfCr+VXpfio9YQ6yqQaihPA@mail.gmail.com>
Mihail Nikalayeu <mihailnikalayeu@gmail.com> 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
view thread (416+ messages) latest in thread
Message-ID: <4607.1756703531@localhost>
Permalink: ../4607.1756703531@localhost/
Also on: postgresql.org/message-id/4607.1756703531@localhost
reply
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-hackers@postgresql.org
Cc: ah@cybertec.at, mihailnikalayeu@gmail.com, alvherre@alvh.no-ip.org, pgsql-hackers@lists.postgresql.org, rob@xzilla.net, masao.fujii@gmail.com
Subject: Re: Adding REPACK [concurrently]
In-Reply-To: <4607.1756703531@localhost>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox