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The following page has been changed by OwenOMalley: http://wiki.apache.org/lucene-hadoop/FrontPage ------------------------------------------------------------------------------ = Hadoop = - [http://lucene.apache.org/hadoop/ Hadoop] is a framework for managing applications across large clusters of information in such a way that the application does not need to worry about either reliability or locality. Hadoop uses a computational paradigm named [:HadoopMapReduce: Map/Reduce], where the application is divided into many fragments of work, each of which may be executed or reexecuted on any computer in the cluster. To support locality-transparency, Hadoop stores persistent data in a distributed file system that is designed for large streaming reads and fault tolerance. + [http://lucene.apache.org/hadoop/ Hadoop] is a framework for running applications on large clusters built of commodity hardware. The Hadoop framework transparently provides applications both reliability and data motion. Hadoop implements a computational paradigm named [:HadoopMapReduce: Map/Reduce], where the application is divided into many small fragments of work, each of which may be executed or reexecuted on any node in the cluster. In addition, it provides a distributed file system that stores data on the compute nodes and thereby provides very high aggregate bandwidth across the cluster. Both Map/Reduce and the distributed file system are designed so that node failures are automatically handled by the network. The intent is to scale Hadoop up to handling thousand of computers. The current high water marks that have been reported are: * !DataNodes: 620
