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courses:mapreduce-tutorial:step-28 [2012/01/29 16:38]
straka 		courses:mapreduce-tutorial:step-28 [2012/01/29 16:38]
straka
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 ===== Exercise 1 ===== ===== Exercise 1 =====
  
-Improve the last [[.:step-27#exercise|inverted index creation exercise]] to+Improve the last [[.:step-27#exercise|inverted index creation exercise]], such that
   - in first job, create a list of unique document names. Number the documents using the order in this list.   - in first job, create a list of unique document names. Number the documents using the order in this list.
   - in second job, create for each word sorted list of ''DocWithOccurences<IntWritable>'', where the document is identified by its number (contrary to the previous exercise, where ''Text'' was used to identify the document).   - in second job, create for each word sorted list of ''DocWithOccurences<IntWritable>'', where the document is identified by its number (contrary to the previous exercise, where ''Text'' was used to identify the document).

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