"James Farrugia" <james.farrugia@xxxxxxxxx> writes: > One last thing...can we run into data-loss problems with successfully > vacuumed tables even if there is one unvacuumed database object; what would > have happened if I ignored to vacuum that rogue pg_toast (which was the only > unvacuumed object within the entire database)? The database would have shut down when you got to the 2-billion-transactions mark. So you'd have had to solve the problem sooner or later anyway. regards, tom lane