Which one of the following statements is false regarding a - TopicsExpress



          

Which one of the following statements is false regarding a MapReduce job? A) You can specify the number of Reducers using the setNumReduceTasks method of the JobConf object. B) During the shuffling, the records are sorted by key and the values are combined into a collection. C) You can specify the number of Mappers using the setNumMapTasks method of the JobConf object. D) All records that share the same key are sent to the same Reducer.
Posted on: Tue, 30 Sep 2014 06:28:57 +0000

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