"Rodrigo Moreno" <rodrigo.miguel@terra.com.br> writes:
> At this weekend i have started to use pg_autovacuum with default settings.
> I really worried about that, because it's no enough anymore, and users claim
> about performace. But running the vacuumdb full, everthing starts to run
> better again, so i think the problem is not related to a specific query.
It sounds like you may not have the FSM settings set large enough for
your database. The default settings are only enough for a small DB
(perhaps a few hundred meg).
regards, tom lane