Re: autovacuum stress-testing our system

Excerpts from Tomas Vondra's message of mié sep 26 12:25:58 -0300 2012:
> Dne 26.09.2012 16:51, Jeff Janes napsal:

> > I think forking it off to to another value would be better.  If you
> > are an autovacuum worker which is just starting up and so getting its
> > initial stats, you can tolerate a stats file up to
> > "autovacuum_naptime
> > / 5.0" stale.  If you are already started up and are just about to
> > vacuum a table, then keep the staleness at PGSTAT_RETRY_DELAY as it
> > currently is, so as not to redundantly vacuum a table.
>
> I always thought there's a "no more than one worker per database"
> limit,

There is no such limitation.

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Álvaro Herrera                http://www.2ndQuadrant.com/
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