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courses:mapreduce-tutorial:step-31 [2012/02/06 08:10]
straka
courses:mapreduce-tutorial:step-31 [2012/02/06 08:13]
straka
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   * ''REDUCE_MIN''   * ''REDUCE_MIN''
   * ''REDUCE_MAX''   * ''REDUCE_MAX''
 +
 +It is crucial that all the mappers run simultaneously. This can be achieved using the ''/net/projects/hadoop/bin/compute-splitsize'' script: for given Hadoop input and requested number of mappers, it computes the appropriate splitsize.
  
 ===== Example ===== ===== Example =====
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 </code> </code>
  
 +You can run the example using:
 +  wget 
  

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