Explanation:In reduce phase the reduce(Object, Iterator, OutputCollector, Reporter) method is called for each pair in the grouped inputs. 9. Applications can use the _________ provided to report progress or just indicate that they are alive.
A. Collector
B. Reporter
C. Dashboard
D. None of the mentioned
Answer:A
Explanation:In reduce phase the reduce(Object, Iterator, OutputCollector, Reporter) method is called for each pair in the grouped inputs. 9. Applications can use the _________ provided to report progress or just indicate that they are alive.
A. Collector B. Reporter C. Dashboard D. None of the mentioned