The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data.
DataStax Acquires Aurelius - DataStax, the commercial face of the open source Apache Cassandra database, has acquired Aurelius. Aurelius was the commercial face of the Titan graph database. All eight Aurelius engineers will be joining DataStax immediately. http://techcrunch.com/2015/02/03/datastax-plots-aurelius-graph-database-acquihire/