| From: | Michael Paquier <michael(at)paquier(dot)xyz> |
|---|---|
| To: | Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Michael Banck <michael(dot)banck(at)credativ(dot)de>, Magnus Hagander <magnus(at)hagander(dot)net>, Sergei Kornilov <sk(at)zsrv(dot)org>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Offline enabling/disabling of data checksums |
| Date: | 2019-03-21 07:11:42 |
| Message-ID: | 20190321071142.GH20192@paquier.xyz |
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| Lists: | pgsql-hackers |
On Thu, Mar 21, 2019 at 07:59:24AM +0900, Michael Paquier wrote:
> Please note that we do that in other tools as well and we live fine
> with that as pg_basebackup, pg_rewind just to name two. I am not
> saying that it is not a problem in some cases, but I am saying that
> this is not a problem that this patch should solve. If we were to do
> something about that, it could make sense to make fsync_pgdata()
> smarter so as the control file is flushed last there, or define flush
> strategies there.
Anyway, as this stuff is very useful for upgrade scenarios
a-la-pg_upgrade, for backup validation and as it does not produce
false positives, I would really like to get something committed for
v12 in its simplest form... Are there any recommendations that people
would like to add to the documentation?
--
Michael
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