Re: Design of pg_stat_subscription_workers vs pgstats

Amit Kapila <amit.kapila16@gmail.com>

From: Amit Kapila <amit.kapila16@gmail.com>
To: Masahiko Sawada <sawada.mshk@gmail.com>
Cc: "osumi.takamichi@fujitsu.com" <osumi.takamichi@fujitsu.com>, Peter Smith <smithpb2250@gmail.com>, "tanghy.fnst@fujitsu.com" <tanghy.fnst@fujitsu.com>, Andres Freund <andres@anarazel.de>, "David G. Johnston" <david.g.johnston@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2022-02-28T02:52:18Z
Lists: pgsql-hackers
On Mon, Feb 28, 2022 at 8:17 AM Masahiko Sawada <sawada.mshk@gmail.com> wrote:
>
> On Mon, Feb 28, 2022 at 11:33 AM Amit Kapila <amit.kapila16@gmail.com> wrote:
> >
> > >
> > > (2) doc/src/sgml/monitoring.sgml
> > >
> > > +        Resets statistics for a single subscription shown in the
> > > +        <structname>pg_stat_subscription_stats</structname> view to zero. If
> > > +        the argument is <literal>NULL</literal>, reset statistics for all
> > > +        subscriptions.
> > >         </para>
> > >
> > > I felt we could improve the first sentence.
> > >
> > > From:
> > > Resets statistics for a single subscription shown in the..
> > >
> > > To(idea1):
> > > Resets statistics for a single subscription defined by the argument to zero.
> > >
> >
> > Okay, I can use this one.
>
> Are you going to remove the part "shown in the
> pg_stat_subsctiption_stats view"? I think it's better to keep it in
> order to make it clear which statistics the function resets as we have
> pg_stat_subscription and pg_stat_subscription_stats.
>

How about the following:
"Resets statistics for a single subscription defined by the argument
shown in the <structname>pg_stat_subscription_stats</structname> view
to zero. If the argument is <literal>NULL</literal>, reset statistics
for all subscriptions."

-- 
With Regards,
Amit Kapila.



Commits

  1. Reconsider pg_stat_subscription_workers view.

  2. Add a view to show the stats of subscription workers.