Explanation:Partitioner controls the partitioning of the keys of the intermediate map-outputs. 4. ____________ is a generalization of the facility provided by the MapReduce framework to collect data output by the Mapper or the Reducer
A. OutputCompactor
B. OutputCollector
C. InputCollector
D. All of the mentioned
Answer:A
Explanation:Partitioner controls the partitioning of the keys of the intermediate map-outputs. 4. ____________ is a generalization of the facility provided by the MapReduce framework to collect data output by the Mapper or the Reducer
A. OutputCompactor B. OutputCollector C. InputCollector D. All of the mentioned
Explanation:Hadoop MapReduce comes bundled with a library of generally useful mappers, reducers, and partitioners. 5. Point out the wrong statement :