Stream(SQL) Event Processing with Esper - igvita.comBy Ilya Grigorik on May 27, 2011 The growth of both the types and the amount of data generated by servers, users, and applications have resulted in a number of recent trends and innovations: NoSQL, rise of popularity of Hadoop, and dozens of higher-level map-reduce frameworks. However, the batch-processing model imposed by map-reduce style of processing is not always a great fit either, especially
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