Magic Multi-connections in Ruby on Rails
approval
Following the Twitter database scaling thingy, Dr. Nic wrote a gem that added multi-database support to Ruby on Rails. Problem solved. Rails now has support for connecting to multiple databases.
A sideline analysis of the blowout of the Twitter multi-database scaling thing can be found here: http://glu.ttono.us/articles/2007/04/15/on-twitter-rails-and-community