Luca Ferrari <fluca1978@xxxxxxxxx> writes: > I'm not understanding why a vacuum full clears a FSM information while > a normal vacuum does not. On a table with fillfactor = 50 I've got: VAC FULL builds a new physical table, which has no FSM to start with. Possibly, when fillfactor < 100, that's something that should be created; the decision not to bother is probably older than the fillfactor knob. regards, tom lane