"Julian Scarfe" <julian.scarfe@ntlworld.com> writes:
> The application is a database where the data in the tables are essentially
> write-once-read-many, and a tuple stays active for about 3 hours before
> being deleted/archived. With a regular, simple VACUUM, the number of Pages
> increases steadily until a VACUUM FULL is performed.
What do you have the FSM parameters in postgresql.conf set to? My guess
is you need to increase 'em.
regards, tom lane