On Tue, 2006-03-28 at 13:51, Rafael Martinez wrote:
> On Tue, 2006-03-28 at 12:09 -0600, Jim C. Nasby wrote:
>
> >
> > Fortunately, you can use Slony to migrate between versions, greatly
> > reducing downtime.
>
> Yes, this is true, but the problem is that if the database is 'big' and
> running in an expensive system you need to double your investment only
> for the upgrade.
>
> I am sure we can find another way of doing this that is easier and
> faster.
Any large, production system should already have replication in place.
If not, you're taking your chances with that big system that make any
investment questionable. If downtime is a real problem.