DESCRIPTION Mongo DB is a document-oriented database thats highly scalable & delivers very high-performance especially with massive data sets that need to be spread across multiple servers. It blends the things you expect with any database--like indexing querying & high availability--with powerful new features like easy horizontal scaling (auto-sharding") map/reduce aggregation & a flexible document data model to support dynamic schemas. Mongo DB in Action is a comprehensive guide to Mongo DB for application developers. The book begins by explaining what makes Mongo DB unique & describing its ideal use cases. A series of tutorials designed for Mongo DB mastery then leads into detailed examples for leveraging Mongo DB in e-commerce social networking analytics & other common applications. KEY POINTS * Numerous examples implemented in Ruby * Comprehensive explanations * Written by a Mongo DB insider"