> > > If they do not affect performance, then why have them off?
> >
> > I think Jan said 2-3%. If we can get autovacuum from it, it would be a
> > win to keep it on all the time, perhaps.
>
> Assuming that the statistics get updated:
>
> How often should the sats table be queried?
> What sort of configurability would be needed?
You could wake up every few minutes and see how the values have changed.
I don't remember if there is a way to clear that stats so you can see
just the changes in the past five minutes. Vacuum the table that had
activity.
-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
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