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courses:mapreduce-tutorial:step-8 [2012/01/31 09:37]
straka Change Perl commandline syntax.
courses:mapreduce-tutorial:step-8 [2012/01/31 15:55] (current)
straka
Line 52: Line 52:
  
 ===== The order of keys during reduce ===== ===== The order of keys during reduce =====
-It is guaranteed that every reducer processes the keys in //ascending order//.+It is guaranteed that every reducer processes the keys in //​ascending ​lexicographic ​order//.
  
 On the other hand, the order of values belonging to one key is undefined. On the other hand, the order of values belonging to one key is undefined.

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