"Despite the low version number (the current stable release is
0.8.4), Cassandra has proved itself capable of handling massive
workloads. The real question is whether it's suitable for any of
Jonathan Ellis, chair of the Apache Cassandra project, sums it
up pretty succinctly. The difference between traditional databases
like MySQL and Cassandra, he says, is the difference between
analytic big data and real-time big data.