Rob,
> > I think I need full, because there are updates on the table. As I
> > understand it, an update in pg is an insert/delete, so it needs
> > to be garbage collected.
>
> Yes and no. You only need a plain VACUUM that is run often enough to
> recover space as fast as you need to grab it. For heavily updated tables
> run it often - I run it every 5 minutes on some tables. A VACUUM FULL is
> only needed if you haven't been running VACUUM often enough in the first
> place.
Also, if you find that you need to run VACUUM FULL often, then you need to
raise your max_fsm_pages.
--
-Josh Berkus
Aglio Database Solutions
San Francisco
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