This is a presentation given on October 24 by Michael Uzquiano of Cloud CMS (http://www.cloudcms.com) at the MongoDB Boston conference.
In this presentation, we cover Hazelcast - an in-memory data grid that provides distributed object persistence across multiple nodes in a cluster. When backed by MongoDB, objects are naturally written to Mongo by Hazelcast. The integration points are clean and easy to implement.
We cover a few simple cases along with code samples to provide the MongoDB community with some ideas of how to integrate Hazelcast into their own MongoDB Java applications.