Re: Questions on Upgrading PostgreSQL from 15.0 to 15.9 and Setting Up Streaming Replication

On Sun, Nov 24, 2024 at 2:55 PM Christophe Pettus <xof@thebuild.com> wrote:

> > On Nov 24, 2024, at 09:15, Ron Johnson <ronljohnsonjr@gmail.com> wrote:
> >
> > Doesn't the existence of a replication slot force PG to retain WAL files
> when replication is broken?
>
> It does.  I don't recall if the OP said that they were using a persistent
> replication slot or not; it's not as common with binary replication as with
> logical replication.
>

Really? I wonder why people fight with configuring max_wal_size and
wal_keep_size, when replication slots do all the work for you.

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