Apache Cassandra 0.6.0 Released
Apache announced the latest stable release of Apache Cassandra 0.6.0.
The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Amazon Dynamo’s fully distributed design and Bigtable’s ColumnFamily-based data model.
Cassandra was open sourced by Facebook in 2008, It was released as open source project on Google code in July 2008. In March 2009, it became an Apache Incubator project. On February 17th, 2010 it graduated to a top-level project.
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Features:
- Decentralized
- Every node in the cluster is identical. There is no single point of failure.
- Fault Tolerant
- Data is automatically replicated to multiple nodes for fault-tolerance. Replication across multiple data centers is supported. Failed nodes can be replaced with no downtime.
- Rich Data Model
- Allows efficient use for many applications beyond simple key/value.
- Elastic
- Read and write throughput both increase linearly as new machines are added, with no downtime or interruption to applications.
Cassandra is in use at Digg, Facebook, Twitter, Reddit, Rackspace, Cloudkick, Cisco, SimpleGeo, Ooyala, OpenX, etc.
Cassandra is meant to run on a cluster of nodes, but will run equally well on a single machine. Cassandra uses Thrift for its external client-facing API.
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Apache Cassandra 0.6.0 was released on 12 April 2010. Although the version number is 0.6.0, it is considered a stable release that is well tested and reasonably free of serious problems, or at least the problems are known and well documented.
Apache Cassandra is a free open source software licensed under the Apache License, Version 2.0.
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