On Fri, Aug 22, 2025 at 11:55:18AM -0400, Tom Lane wrote: > Nonetheless, I'm suspecting an interaction with the startup process, > because there just isn't that much else that this process could be > needing to deal with. Can you try strace'ing both the process doing > the test query and the startup process, to see what the startup > process is doing at the times the futex calls happen?
I can, but not today. Will get back to you about it, next week, though. Best regards, depesz