Bruce,
> Sure, but that assumes you have parallel I/O channels; I assume right
> now it is I/O limited.
Even a simple cp will be speeded up between 50% and 150% (depending on
your storage) by doing several files in parallel. However, I'm not sure
that's what you should be spending your time on.
--
Josh Berkus
PostgreSQL Experts Inc.
www.pgexperts.com