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.
