Hi, On 2021-04-12 15:15:05 -0700, Paul Friedman wrote: > Thanks again for any advice you have. I think we'd need the perf profiles to be able to dig into this further. It's odd that there are a meaningful amount of LockManager contention in your case - assuming the stats you collected weren't just the first few milliseconds of starting those 60 queries, there shouldn't be any additional "heavyweight locks" taken given the duration of your queries. The futex profile hopefully will tell us from where that is coming from... Greetings, Andres Freund
