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 ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match