Re: Occasional performance issue after changing table partitions

2022-07-12 Thread Nathan Ward
Hi, I haven’t caught the issue yet with this debug etc. in place, but auto_explain (and some pg_stat_statements poking about) has helped me find something interesting that might(?) be related. My data ingest is in 2 functions, depending on the type of data: - RADIUS data with usage info -

Re: Occasional performance issue after changing table partitions

2022-07-12 Thread Justin Pryzby
On Wed, Jul 13, 2022 at 03:13:46AM +1200, Nathan Ward wrote: > I have been stepping through the various statements which are different > between the two functions, and note that when I do math on a timestamp in a > SELECT statement (i.e. _event_timestamp - INTERVAL ‘1 hour’), > the planner takes