Re: Changing the state of data checksums in a running cluster

From: Daniel Gustafsson <daniel(at)yesql(dot)se>
To: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Cc: Tomas Vondra <tomas(at)vondra(dot)me>, Andres Freund <andres(at)anarazel(dot)de>, Bernd Helmle <mailings(at)oopsware(dot)de>, Michael Paquier <michael(at)paquier(dot)xyz>, Michael Banck <mbanck(at)gmx(dot)net>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Changing the state of data checksums in a running cluster
Date: 2026-04-03 19:29:02
Message-ID: 38B6B431-31CF-44F3-AEDD-88F340F3C57D@yesql.se
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> On 3 Apr 2026, at 19:56, Daniel Gustafsson <daniel(at)yesql(dot)se> wrote:

Come to think of it, a cleaner solution is to just postpone updating the
launcher_running flag until it actually not running anymore. Done in the
attached which has done several CI runs now.

> CFBot claims it needs a rebase which I'm not sure why (I can't reproduce a
> rebase error), but here is a rebase anyways.

Turns out it's applying on 57706799186 rather than HEAD, and the catversion
bump in fd7a25af11e cause this patch to not apply.

--
Daniel Gustafsson

Attachment Content-Type Size
v20260403_4-0001-Online-enabling-and-disabling-of-data-ch.patch application/octet-stream 226.1 KB

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