Also, the overhead of Hbase for a small install is pretty high, whereas a single-node Cassandra cluster is extremely easy to set up. There's no such thing as a

Also, the overhead of Hbase for a small install is pretty high, whereas a single-node Cassandra cluster is extremely easy to set up. There's no such thing as a single-node Hbase cluster, since it involves, at the very least, setting up Zookeeper. This keeps Hbase out of the hands of tire kickers.