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Druid is a column-oriented open-source distributed database written in Java. Druid is designed to ingest massive quantities of time-series data, making that data immediately available to queries.[1] This is sometimes referred to as real-time data or real-time computing.
On the developer Q&A site Stackoverflow, Druid is described as "open-source infrastructure for real-time exploratory analytics on large datasets."[2]
Queries REST
Druid is designed to run as a cluster of specialized nodes to support a fault-tolerant architecture where data is stored redundantly and there are multiple members of each node type.
History
Druid was created by ad-tech analytics company [Metamarkets]. It was open-sourced on ....
References
- http://www.dbms2.com/2012/06/16/metamarkets-druid-overview/
- http://techblog.netflix.com/2013/12/announcing-suro-backbone-of-netflixs.html
- http://planetcassandra.org/blog/post/cassandra-as-a-deep-storage-mechanism-for-druid-real-time-analytics-engine/
- http://static.druid.io/docs/druid.pdf
- http://stackoverflow.com/tags?tab=name