On Wed, Dec 3, 2008 at 8:43 AM, Josh Harrison <joshques@gmail.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.