Re: Moving from Linux to Linux?

From: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
To: Paul Foerster <paul(dot)foerster(at)gmail(dot)com>, Pgsql-General List <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: Moving from Linux to Linux?
Date: 2025-03-12 20:26:23
Message-ID: 9a8d92de-228c-43b0-b66c-c3390b41044a@aklaver.com
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On 3/11/25 11:34, Paul Foerster wrote:
> Hi Devrim, Thomas, Adrian, Ron, Joe,
>
> answering to myself as answering to five postings in one go is impossible. 🤣
>
>> Are there any obstacles that definitely make that a no-go? Do I risk corruption? It's both Linux, just a different distribution.
>
> The question was a bit of an idea. So the glibc version in not known yet, but I'm highly confident that they will differ. A reindex could in theory be possible in most cases, but is a definite show stopper on some of our databases, because it would mean too much application downtime.

A good summary of the glibc issue:

https://wiki.postgresql.org/wiki/Locale_data_changes

With distro information:

https://wiki.postgresql.org/wiki/Locale_data_changes#What_Linux_distributions_are_affected

>
> So, it's either logical replication or close to impossible.
>
> Thanks very much for your input.
>
> Cheers,
> Paul
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com

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