WTF is a SuperColumn? An Intro to the Cassandra Data Model (Arin Sarkissian explains)

For the last month or two the Digg engineering team has spent quite a bit of time looking into, playing with and finally deploying Cassandra in production. It’s been a super fun project to take on – but even before the fun began we had to spend quite a bit of time figuring out Cassandra’s data model… the phrase “WTF is a ’super column’” was uttered quite a few times. :)

Digg has gone long on Cassandra. Up until this point I was pretty interested in MongoDB. But suddenly maybe Cassandra is the go-to non-sql data store. If it's good enough for Twitter, Facebook and Digg...

Great, well written, detailed article on understanding Cassandra by Arin Sarkissian here.