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In the above example datanode1 and datanode2 had the blocks so the tasktrackers on those nodes run the map jobs, Once the jobs are completed the two nodes would have key,value results as below: |
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In the above example datanode1 and datanode2 had the blocks so the tasktrackers on those nodes run the map jobs, Once the jobs are completed the two nodes would have key,value results as below: |