Apache Cassandra

Free and open-source database management system

Apache Cassandra is a free and open-source, distributed, wide-column store, NoSQL database management system designed to handle large amounts of data across a multitude of commodity servers, providing high availability with no single point of failure. Cassandra supports clusters and spanning of multiple data centers with asynchronous and master-less replication. It allows low latency operations for all clients. Cassandra implements a combination of Amazon's Dynamo distributed storage and replication techniques combined with Google's Bigtable data and storage engine model.

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