Gnip ingests and must serve out hundreds of millions of social activities every day and social platforms are only growing. This makes the scalability of applications essential for Gnip. Enter Cassandra. Problem solved, right? Not exactly, Gnip's relationship with Cassandra was not all rainbows and unicorns. In this session we will walk you through why we began looking at Cassandra as a data store in the first place and the valuable lessons we with Cassandra that has made it an invaluable part of our infrastructure.