I ran into the same problem with VACUUM on my Linux box. If you are running
Linux, take a look at "elvtune" or read this post:

http://groups.google.com/groups?q=stephen+vacuum+linux&hl=en&lr=&ie=UTF-8&se
lm=gRdjb.7484%241o2.77%40nntp-post.primus.ca&rnum=3

Regards, Stephen


"Rob Nagler" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Manfred Koizar writes:
> > ISTM you are VACCUMing too aggressively.  You are reclaiming less than
> > 1% and 0.005%, respectively, of tuples.  I would increase FSM settings
> > to ca. 1000 fsm_relations, 100000 fsm_pages and VACUUM *less* often,
> > say every two hours or so.
>
> I did this.  We'll see how it goes.
>
> > ... or configure autovacuum to VACUUM a table when it has 10% dead
> > tuples.
>
> This solution doesn't really fix the fact that VACUUM consumes the
> disk while it is running.  I want to avoid the erratic performance on
> my web server when VACUUM is running.
>
> mfg,
> Rob
>
>
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