Antoine <melser(dot)anton(at)gmail(dot)com> writes:
> We just don't seem to be getting much benefit from autovacuum. Running
> a manual vacuum seems to still be doing a LOT, which suggests to me
> that I should either run a cron job and disable autovacuum, or just
> run a cron job on top of autovacuum.
The default autovac parameters are very unaggressive --- have you
experimented with changing them? Do you have the FSM set large enough?
regards, tom lane