> On May 13, 2024, at 11:07, Adrian Klaver <adrian.klaver@xxxxxxxxxxx> wrote: > > > What does pg_config --configure show for '--with-system-tzdata' ? It's a local compile, and was built without that. As an experiment, I'm just pounding the server with a single connection doing nothing but SET TIMEZONEs repeatedly. So far, no break, but it is *very* intermittent.