Tom Lane wrote:
> "Brusser, Michael" <Michael.Brusser@matrixone.com> writes:
> > One process is really postmaster, the others seem to be doing some
> > house chores: stats buffer process and stats collector process.
> > Do they actually use connections,
>
> No.
But note that in 8.1, autovacuum does.
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Alvaro Herrera http://www.CommandPrompt.com/
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