"Steven Flatt" <steven.flatt@xxxxxxxxx> writes: > Regarding your other email -- interesting -- but we are vacuuming pg_class > every hour. So I don't think the answer lies there... That's good, but is the vacuum actually accomplishing anything? I'm wondering if there's also a long-running transaction in the mix. Try a manual "VACUUM VERBOSE pg_class;" after the thing has slowed down, and see what it says about removable and nonremovable rows. regards, tom lane
