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/usr/local/hadoop/bin/hadoop jar /usr/local/hadoop/share/hadoop/tools/lib/hadoop-streaming-3.2.2.jar \ -file /usr/local/hadoop/MapReduce/sample1/mapper.py -mapper /usr/local/hadoop/MapReduce/sample1/mapper.py \ -file /usr/local/hadoop/MapReduce/sample1/reducer.py -reducer /usr/local/h...