On Wed, 16 Apr 2025 at 10:25, Andrey Borodin <x4...@yandex-team.ru> 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
