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help / color / mirror / Atom feedFrom: Kirill Reshke <[email protected]>
To: Andrey Borodin <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Konstantin Osipov <[email protected]>
Cc: Greg Sabino Mullane <[email protected]>
Cc: Nikolay Samokhvalov <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: Built-in Raft replication
Date: Wed, 16 Apr 2025 10:39:07 +0500
Message-ID: <CALdSSPhmEUT+2Wg7SMa3gnOetNiugtbd43pXDmcWJnfZti4LqA@mail.gmail.com> (raw)
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On Wed, 16 Apr 2025 at 10:25, Andrey Borodin <[email protected]> wrote:
>
> I think I can provide some reasons why it cannot be neither extension, nor any part running within postmaster reign.
>
> 1. When joining cluster, there’s not PGDATA to run postmaster on top of it.
You can join the cluster on pg_basebackup of its master; So I dont get
why this is an anti-extension restriction.
> 2. After failover, old Primary node must rejoin cluster by running pg_rewind and following timeline switch.
You can run bash from extension, what's the point?
> The system in hand must be able to manipulate with PGDATA without starting Postgres.
--
Best regards,
Kirill Reshke
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Subject: Re: Built-in Raft replication
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