On Thu, Feb 11, 2010 at 1:33 PM, Simon Riggs <simon@2ndquadrant.com> wrote:
> Avoiding a scan before running pg_upgrade is just a performance
> optimisation.
But using pg_upgrade AT ALL is also a performance optimization; in
fact AFAICS it's the only reason to use pg_upgrade. So if you take
that away there's no reason to use it at all.
...Robert