Riak - Wikipedia, the free encyclopedia



Riak - Wikipedia, the free encyclopedia

Riak is a distributed NoSQL key-value data store that offers high availability, fault tolerance, operational simplicity, and scalability.[2] In addition to the open-source version, it comes in a supported enterprise version and a cloud storage version.[2] Riak implements the principles from Amazon's Dynamo paper[3] with heavy influence from the CAP Theorem. Written in Erlang, Riak has fault tolerance data replication and automatic data distribution across the cluster for performance and resilience.[4]

Riak is licensed using a freemium model: open source versions of Riak and Riak CS are available, but end users can pay for additional features and support.[4]

Riak has a pluggable backend for its core storage, with the default storage backend being Bitcask.[5] LevelDB is also supported.


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