On Thu, Jun 01, 2006 at 11:05:55AM -0400, Tom Lane wrote: > Antoine <[EMAIL PROTECTED]> 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 [EMAIL PROTECTED] Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461 ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
