On Wed, Dec 3, 2008 at 8:43 AM, Josh Harrison <joshques(at)gmail(dot)com> wrote:
> Hi,
>
> 1. Is there a limit on the number of databases that can be in a single
> postgres cluster?
No. I'm sure there's a practical limit into the thousands where
things start to get slower.
> 2. Is there any performance impacts associated with having too many
> databases in a cluster?
Define too many. I've run a couple hundred before without it being a problem.
> 3. Is there a good magical number for this limit ?
Only the one that your testing tells you there is. Got a rough guess
of how many you want to run? How busy they'll be? that kind of
thing.