Explanation:Reporter is a facility for MapReduce applications to report progress, set application-level status messages and update Counters. 9. __________ is a generalization of the facility provided by the MapReduce framework to collect data output by the Mapper or the Reducer
A. Partitioner
B. OutputCollector
C. Reporter
D. All of the mentioned
Answer:A
Explanation:Reporter is a facility for MapReduce applications to report progress, set application-level status messages and update Counters. 9. __________ is a generalization of the facility provided by the MapReduce framework to collect data output by the Mapper or the Reducer
A. Partitioner B. OutputCollector C. Reporter D. All of the mentioned
Explanation:Hadoop MapReduce comes bundled with a library of generally useful mappers, reducers, and partitioners. 10. _________ is the primary interface for a user to describe a MapReduce job to the Hadoop framework for execution.