Explanation:Reduce function collates the work and resolves the results. 5. Point out the wrong statement :
A. A MapReduce job usually splits the input data-set into independent chunks which are processed by the map tasks in a completely parallel manner
B. The MapReduce framework operates exclusively on pairs
C. Applications typically implement the Mapper and Reducer interfaces to provide the map and reduce methods
D. None of the mentioned
Answer:A
Explanation:Reduce function collates the work and resolves the results. 5. Point out the wrong statement :
A. A MapReduce job usually splits the input data-set into independent chunks which are processed by the map tasks in a completely parallel manner B. The MapReduce framework operates exclusively on pairs C. Applications typically implement the Mapper and Reducer interfaces to provide the map and reduce methods D. None of the mentioned
Explanation:The MapReduce framework takes care of scheduling tasks, monitoring them and re-executes the failed tasks. 6. Although the Hadoop framework is implemented in Java , MapReduce applications need not be written in :