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courses:mapreduce-tutorial:step-31 [2012/02/06 13:11]
straka
courses:mapreduce-tutorial:step-31 [2012/02/06 13:23]
straka
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   less step-31-out/part-*   less step-31-out/part-*
    
-To run on a cluster with //C// machines using //C// mappers+To run on a cluster using specified number of machines: 
-  rm -rf step-31-out; /net/projects/hadoop/bin/hadoop Sum.jar -c C `/net/projects/hadoop/bin/compute-splitsize /net/projects/hadoop/examples/inputs/numbers-small C` /net/projects/hadoop/examples/inputs/numbers-small step-31-out+  rm -rf step-31-out; M=#of_machines; INPUT=/net/projects/hadoop/examples/inputs/numbers-small; /net/projects/hadoop/bin/hadoop Sum.jar -c $M `/net/projects/hadoop/bin/compute-splitsize $INPUT $M` $INPUT step-31-out
   less step-31-out/part-*   less step-31-out/part-*
  

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