On Thu, Jun 01, 2006 at 11:05:55AM -0400, Tom Lane wrote:
> Antoine <melser.anton@gmail.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?
Do any of the tables have a high 'churn rate' (a lot of updates) but are
supposed to be small? In cases like that autovacuum may not be enough.
--
Jim C. Nasby, Sr. Engineering Consultant jnasby@pervasive.com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461