2012-04-10 Apache Cassandra 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 Apache Cassandra the perfect platform for mission-critical data. Cassandra's support for replicating across multiple datacenters is best-in-class. Cassandra is in use at Netflix, Twitter, Urban Airship, Constant Contact, Reddit, Cisco, OpenX, Digg, CloudKick, Ooyala, and more companies that have large, active data sets. Cassandra provides full Hadoop integration, including with Pig and Hive. Java Apache Cassandra PMC