War of the Hadoop SQL engines. And the winner is …? You may have wondered why we were quiet over the last couple of weeks? Well, we locked ourselves into the basement and did some research and a couple of projects and PoCs on Hadoop, Big Data, and distributed processing frameworks in general. We were also looking at Clickstream data and Web Analytics solutions. Over the next couple of weeks we wil
1. IntroductionWe propose modifying Hive to add Spark as a third execution backend(HIVE-7292), parallel to MapReduce and Tez. Spark is an open-source data analytics cluster computing framework that’s built outside of Hadoop's two-stage MapReduce paradigm but on top of HDFS. Spark’s primary abstraction is a distributed collection of items called a Resilient Distributed Dataset (RDD). RDDs can be cr
Overview New! Dryad and DryadLINQ are now available in source form at the Dryad GitHub repository, with pre-built binaries available from NuGet.org. For release documentation see our Getting Started with DryadLINQ page. Most of the information below is historical and will be updated over time and migrated to the DryadLINQ documentation site. Dryad is an infrastructure which allows a programmer to
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