Re: Enable data checksums by default

From: Christoph Berg <myon(at)debian(dot)org>
To: Tomas Vondra <tomas(at)vondra(dot)me>
Cc: Peter Eisentraut <peter(at)eisentraut(dot)org>, Nathan Bossart <nathandbossart(at)gmail(dot)com>, Greg Sabino Mullane <htamfids(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Michael Paquier <michael(at)paquier(dot)xyz>, Michael Banck <mbanck(at)gmx(dot)net>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Enable data checksums by default
Date: 2025-04-23 15:28:22
Message-ID: aAkHFqfSQcqOVKpy@msg.df7cb.de
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Re: Tomas Vondra
> We went through the open items on the RMT team meeting today, and my
> impression was the questions are mostly about performance of having
> checksums by default, but now I realize the thread talks about "upgrade
> experience" which seems fairly wide.

Fwiw, Debian's pg_upgradecluster already knows about that change. With
the default "dump" upgrade method, clusters will be transitioned to
checksums enabled, while "upgrade" (= pg_upgrade) upgrades will stick
with whatever was there before.

Christoph

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