Persistence Smoothie - Blending SQL & NoSQL - Flip Sasser (Intridea, Inc.) @flipsasser http://github.com/flipsasser/Persistence-Smoothie NoSQL means no ACID Keep what you know - don’t throw out your MySQL DataMapper is the swiss army knife of ORM - can point different models to different datastores - Have a lot of refactoring to do Sample Store App - Authentication - keep in Reational DB - Products - store metadata - Purchases - keep it in RDB - Activity Stream - denormalize with key/value store mongofy - gem for moving data from mysql to mongo Drawbacks - DataPortability is lowered - Lot more moving parts - Say goodbye to all your fun AR mixins