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MapReduce: Simplied Data Processing on Large Clusters

MapReduce: Simplied Data Processing on Large Clusters

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The interme-diate key/value pairs produced by the Map function are buffered in memory. 4. Periodically, the buffered pairs are written to local disk, partitioned into R regions by the partitioning function. The locations of these buffered pairs on Reduce,,

  Menteri, Dieta, I ntermediate, Mapreduce

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