On Tue, 2021-08-31 at 21:16 -0700, Andres Freund wrote:
> On 2021-09-01 05:39:14 +0200, Laurenz Albe wrote:
> > On Tue, 2021-08-31 at 18:55 -0700, Andres Freund wrote:
> > > > > On Tue, Aug 31, 2021 at 04:55:35AM +0200, Laurenz Albe wrote:In the
> > > > > view of that, how about doubling PGSTAT_STAT_INTERVAL to 1000
> > > > > milliseconds? That would mean slightly less up-to-date statistics, but
> > > > > I doubt that that will be a problem.
> > >
> > > I think it's not helpful. Still increases the number of messages substantially in workloads
> > > with a lot of connections doing occasional queries. Which is common.
> >
> > How come? If originally you send table statistics every 500ms, and now you send
> > table statistics and session statistics every second, that should amount to the
> > same thing. Where is my misunderstanding?
>
> Consider the case of one query a second.
I guess I am too stupid. I don't see it.
Yours,
Laurenz Albe
