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courses:mapreduce-tutorial:step-25 [2012/01/31 12:45]
straka
courses:mapreduce-tutorial:step-25 [2012/01/31 12:47]
straka
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 ===== Exercise ===== ===== Exercise =====
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 +Implement the [[.:step-13|sorting exercise]] in Java.
 +
 +**Remark:** Values of type ''Text'' are sorted lexicographically, but values of type ''IntWritable'' are sorted according to value. Your mapper should therefore produce pairs of types (''IntWritable'', ''Text'').
  
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