Ellen Cyran <ellen@xxxxxxxxxxxxxxxxx> writes: > We have a database that periodically we perform large updates, around > a million records, after that the vacuum will run for 12 hours without > completing. After that, I typically remove the 2 indexes and 1 > constraint on the largest table, 7 million records, and the vacuum will > complete in a couple of hours and the indexes can be recreated in a half > hour. By "vacuum" do you mean VACUUM FULL? My advice is not to use that, just plain VACUUM. Don't forget to make sure your FSM is large enough, too. regards, tom lane