Re: OS system version upgrade (glibc / libicu version change)

From: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
To: Alexey Shishkin <alexey(dot)shishkin(at)enterprisedb(dot)com>, pgsql-docs(at)lists(dot)postgresql(dot)org
Subject: Re: OS system version upgrade (glibc / libicu version change)
Date: 2026-10-27 20:27:43
Message-ID: 225d52b51ed9a911ced2f8e6c00e089a1ce50f19.camel@cybertec.at
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On Tue, 2026-10-27 at 09:49 +0100, Alexey Shishkin wrote:
> > > It looks like the PostgreSQL documentation doesn't explain the customers
> > > what to do with PostgreSQL in case of OS system version upgrade or/and glibc
> > > / libicu version change.
> > >
> > > So, my proposal to dedicate a chapter in the PostgreSQL documentation about
> > > the topic.
>
> Any news about the subject ?
>
> I think it's the right time to prepare such chapter in order to have it in PG19 documentation.

It might be a little late for v19, but not for v20.

I agree that it might be good to have some mention of this
in the documentation, but I am not sure what would be a good
place. On the one hand, this could be somewhere under
"Localization", but I guess that nobody would look for it there.

A good place could be a chapter in "Server Setup and Operation",
and my personal recommendation is to create clusters with the
C locale.

If you want to get that moving, how about proposing a patch?

Yours,
Laurenz Albe

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