This document summarizes a presentation about moving a large Ruby on Rails application to the Java Virtual Machine (JVM). It discusses some of the challenges of scaling Rails, including lack of concurrency and proper garbage collection. It then explores options for using JVM languages like non-Rails Ruby, Scala, and Clojure. The presentation advocates trying a microservices approach using these la
![From a monolithic Ruby on Rails app to the JVM](https://cdn-ak-scissors.b.st-hatena.com/image/square/28967022afb3a4a9e7019d9c6abaac98f7219c8a/height=288;version=1;width=512/https%3A%2F%2Fcdn.slidesharecdn.com%2Fss_thumbnails%2Fpcalcado-jdc2013-cairo-130310143348-phpapp02-thumbnail.jpg%3Fwidth%3D640%26height%3D640%26fit%3Dbounds)