Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
> So? You're going to be paying those costs *anyway*, because most of the
> process context swaps will be between the application server and the
> database.
Separating the database and application onto dedicated machines is normally
the first major optimization busy sites do when they discover that having the
two on the same machine never scales well.
--
greg