Re: prevent immature WAL streaming

On 2021-Sep-30, Tom Lane wrote:

> Andrew Dunstan <andrew@dunslane.net> writes:
> > Regardless of this problem, I think we should simply call
> > set_replication_conf unconditionally in init().  Replication connections
> > are now allowed by default on Unix, this would just bring Windows nodes
> > into line with that.
> 
> Yeah, I was thinking along the same lines yesterday.  The fact that
> pre-commit testing failed to note the problem is exactly because we
> have this random difference between what works by default on Unix
> and what works by default on Windows.  Let's close that gap before
> it bites us again.

+1

> There's still the issue of these tests overriding postgresql.conf
> entries made by init(), but maybe we can live with that?

I vote to at least have has_archiving=>1 set wal_level=replica, and
potentially max_wal_senders=2 too (allows pg_basebackup).

-- 
Álvaro Herrera         PostgreSQL Developer  —  https://www.EnterpriseDB.com/