On Tue, Oct 31, 2023, at 3:21 PM, Hannu Krosing wrote:
> One thing though re:
> > The former is true but the latter is not. Logical replication requires
> > wal_level = logical. That's also true for skipping FSM.
>
> wal_level=logical is only needed *at provider* side, at least when
> running pglogical.
It is not a requirement for the subscriber. However, it increases the
complexity for a real scenario (in which you set up backup and sometimes
additional physical replicas) because key GUCs require a restart.
--
Euler Taveira
EDB https://www.enterprisedb.com/