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help / color / mirror / Atom feedFrom: Robert Treat <[email protected]>
To: Marc G. Fournier <[email protected]>
Cc: Justin Clift <[email protected]>
Cc: [email protected]
Subject: Re: pg_autovacuum is nice ... but ...
Date: Wed, 3 Nov 2004 22:32:36 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
<[email protected]>
<[email protected]>
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
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