Hi,
On 2026-02-04 17:48:57 -0600, Sami Imseih wrote:
> >
> > There is also a discussion [0] about wait event/activity field
> > inconsistency
> > with pg_stat_activity with a repro in [1].
>
>
> The repro I was referring to in [1] is actually
> https://www.postgresql.org/message-id/ab1c0a7d-e789-5ef5-1180-42708ac6fe2d%40postgrespro.ru
That is inherent. The wait event is updated in an unsynchronized fashion. As
noted in that thread.
Making it synchronized (via st_changecount) would make wait event overhead
vastly higher.
Greetings,
Andres Freund
