Add WAL recovery messages with log_wal_traffic GUC (was: add recovery, backup, archive, streaming etc. activity messages to server logs along with ps display)

On Wed, Dec 29, 2021 at 6:50 AM Bharath Rupireddy
<bharath(dot)rupireddyforpostgres(at)gmail(dot)com> wrote:
>
> On Thu, Dec 9, 2021 at 9:28 PM Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
> >
> > Maybe some tunable like
> > log_wal_traffic = { none, medium, high }
> > where "none" is current behavior of no noise, "medium" gets (say) once
> > every 256 segments (e.g., when going from XFF to (X+1)00), "high" gets
> > you one message per segment.
>
> On Fri, Dec 24, 2021 at 7:19 PM Justin Pryzby <pryzby(at)telsasoft(dot)com> wrote:
> >
> > If you're talking about a new feature that uses the infrastructre from 9ce3,
> > but is controlled by a separate GUC like log_wal_traffic, that could be okay.
>
> Thanks for the suggestion. I've added a new GUC log_wal_traffic as
> suggested above. PSA v7 patch.

Here's the rebased v8 patch, please review it.

https://commitfest.postgresql.org/37/3443/

Regards,
Bharath Rupireddy.