Re: data_checksums enabled by default (was: Move --data-checksums to common options in initdb --help)

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: Michael Banck <michael(dot)banck(at)credativ(dot)de>
Cc: Stephen Frost <sfrost(at)snowman(dot)net>, Andres Freund <andres(at)anarazel(dot)de>, Michael Paquier <michael(at)paquier(dot)xyz>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: data_checksums enabled by default (was: Move --data-checksums to common options in initdb --help)
Date: 2021-01-06 22:02:05
Message-ID: CAH2-WznRvAGc6hxDGwLS277niEU-PhVB8TzpgA3pT=ZCTwBOvA@mail.gmail.com
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On Wed, Jan 6, 2021 at 1:29 PM Michael Banck <michael(dot)banck(at)credativ(dot)de> wrote:
> That one seems to be 5min everywhere, and one can change it except on
> Azure.

Okay, thanks for clearing that up. Looks like all of the big 3 cloud
providers use Postgres checksums in a straightforward way.

I don't have much more to say on this thread. I am -1 on the current
proposal to enable page-level checksums by default. I may change my
mind on this in the future, perhaps when underlying architectural
details change, but right now this seems like a net negative.

--
Peter Geoghegan

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