Hadoop started as an offline, batch-processing system. It made it practical to store and process much larger datasets than before. Subsequently, more interactive, online systems emerged, integrating with Hadoop. First among these was HBase, the key/value store. Now scalable interactive query engines are beginning to join the Hadoop ecosystem. Realtime is gradually becoming a viable peer to batch in big data.
Doug (@cutting) is the founder of numerous successful open source projects, including Lucene, Nutch, Avro, and Hadoop. Doug joined Cloudera in 2009 from Yahoo!, where he was a key member of the team that built and deployed a production Hadoop storage and analysis cluster for mission-critical business analytics. Doug holds a Bachelor’s degree from Stanford University and sits on the Board of the Apache Software Foundation.
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