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: 2026-03-31 12:42:32
Message-ID: 30E2C103-2F50-4F9D-8868-E057250F55CA@yesql.se
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> On 29 Mar 2026, at 00:14, Daniel Gustafsson <daniel(at)yesql(dot)se> wrote:
>
>> On 28 Mar 2026, at 00:30, Heikki Linnakangas <hlinnaka(at)iki(dot)fi> wrote:
>
>> +1 for committing 0001 right away.
>
> Thanks for confirming, I'll do that early next week.

Done in 097ab69d17f74e.

The attached rebase fixes the silly mistake which made it fail on CI under
Linux: when enabling all tests under normal non-PG_TEST_EXTRA runs I had
rebased away my change to drop the scalefactor down, so the Linux boxes ran out
of diskspace. Reducing the scalefactor to also allow the test to run faster
made CI green for me.

--
Daniel Gustafsson

Attachment Content-Type Size
v20260331-0001-Online-enabling-and-disabling-of-data-chec.patch application/octet-stream 223.4 KB

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