On 12/21/06, Ron Johnson <ron(dot)l(dot)johnson(at)cox(dot)net> wrote:
>
>
> >> Given the same physical hardware, which one is likely to perform
> better? Does
> >> it make any difference? Does using separate databases use more RAM than
> a
> >> single database with a bunch of different tables?
>
> Config files are global, so I doubt it.
>
if it's a web app with persistent connections, then splitting onto several
databases may consume more RAM. Example: 100 apache clients connected to 3
databases creates 300 forked postmaster processes ; vs 100 apache clients
connected to the same DB using three schemas only takes 100 postmasters
-- Vlad