PPT-MapReduce & R “MapReduce allows us to stop thinking about fault tolerance.

Cathy ONeil amp Rachel Schutt 2013 R amp Hadoop Compute squares 2 R create a list of 10 integers ints lt 110 equivalent to ints lt c12345678910 compute the

key mapreduce temperature data mapreduce key data temperature year mapper library hdfs null map url dfs reducer convert reduce

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