Stalin,
> We are evaluating the options for having multiple databases vs. schemas on a
> single database cluster for a custom grown app that we developed. Each app
> installs same set of tables for each service. And the service could easily
> be in thousands. so Is it better to have 1000 databases vs 1000 schemas in a
> database cluster. What are the performance overhead of having multiple
> databases vs. schemas (if any). I'm leaning towards having schemas rather
> than databases but i would like to get others opinion on this. Appreciate
> your reply.
No performance difference AFAIK. The real question is whether you have to
have queries joining several "databases". If yes, use Schema; if no, use
databases.
--
-Josh Berkus
Aglio Database Solutions
San Francisco