Re: pg_autovacuum is nice ... but ...

On Wednesday 03 November 2004 20:50, Marc G. Fournier wrote:
> On Thu, 4 Nov 2004, Justin Clift wrote:
> > Marc G. Fournier wrote:
> >> Here is a vacuum verbose on gborg's database:
> >>
> >> INFO:  free space map: 1000 relations, 7454 pages stored; 23072 total
> >> pages needed
> >> DETAIL:  Allocated FSM size: 1000 relations + 20000 pages = 178 kB
> >> shared memory.
> >> and this is portal:
> >>
> >> INFO:  free space map: 1000 relations, 7425 pages stored; 23024 total
> >> pages needed
> >> DETAIL:  Allocated FSM size: 1000 relations + 20000 pages = 178 kB
> >> shared memory.
> >>
> >> so, you tell me ... should I increase them?  I haven't been able to find
> >> any docs that talk about this :(
> >

Those numbers don't look right, but I'd say increase your max_fsm_pages to
25000 and your max_fsm_relations to  1250. Don't forget to HUP.

--
Robert Treat
Build A Brighter Lamp :: Linux Apache {middleware} PostgreSQL