"Rodrigo Moreno" <rodrigo(dot)miguel(at)terra(dot)com(dot)br> writes:
> After 2 months, postgres start get down the performance, and simple queries
> that should run in 100ms now tooks about 15 secs.
> Another behaviour, the data is growing to much, with no reason, just like
> the comparision.
Are you vacuuming on a regular basis? Do you have the FSM settings high
enough to cover the database?
regards, tom lane