On Fri, 2003-08-22 at 11:08, Jan Wieck wrote:
> > Another way to give autovacuum some hints would be to return some number
> > as commandtuples from vacuum. like the number of tuples actually
> > vacuumed. That together with the new number of reltuples in pg_class
> > will tell autovacuum how frequent a relation really needs scanning.
>
> Which actually would be much better because it'd work without the
> statistics collector configured for gathering IO stats.
Which is certainly a good thing. Using the stats system is a measurable
performance hit.
I still want to play with pg_autovacuum ignoring the stats system and
just looking at the FSM data.