Re: Design of pg_stat_subscription_workers vs pgstats

On Thu, Feb 24, 2022 at 9:23 PM Peter Eisentraut
<peter.eisentraut@enterprisedb.com> wrote:
>
>
> On 24.02.22 12:46, Masahiko Sawada wrote:
> >> We have a view called pg_stat_activity, which is very well known.  From
> >> that perspective, "activity" means what is happening right now or what
> >> has happened most recently.  The reworked view in this patch does not
> >> contain that (we already have pg_stat_subscription for that), but it
> >> contains accumulated counters.
> > Right.
> >
> > What pg_stat_subscription shows is rather suitable for the name
> > pg_stat_subscription_activity than the reworked view. But switching
> > these names would also not be a good idea.  I think it's better to use
> > "subscription" in the view name since it shows actually statistics for
> > subscriptions and subscription OID is the key. I personally prefer
> > pg_stat_subscription_counters among the ideas that have been proposed
> > so far, but I'd like to hear opinions and votes.
>
> _counters will fail if there is something not a counter (such as
> last-timestamp-of-something).
>
> Earlier, pg_stat_subscription_stats was mentioned, which doesn't have
> that problem.

Ah, I had misunderstood your comment. Right, _counter could be a
blocker for the future changes.

Regards,

-- 
Masahiko Sawada
EDB:  https://www.enterprisedb.com/