Unfortunately, the wait_event and wait_event_type columns are all NULL for these active sessions.
Craig
On Mar 31, 2021, 3:47 AM -0600, Laurenz Albe <laurenz.albe@xxxxxxxxxxx>, wrote:
On Tue, 2021-03-30 at 12:22 -0600, Hotmail wrote:
We are trying to gain some insight into a performance bottleneck that we are hitting while load testing Postgres on 11.11.
[hundreds of active sessions, but CPU is not maxed out]
With that many active sessions you are probably hitting some contention inside
the database. Look at "wait_event" and "wait_event_type" in pg_stat_activity.
Yours,
Laurenz Albe
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