Explanation:The shuffle and sort phases occur simultaneously; while map-outputs are being fetched they are merged. 10. The output of the reduce task is typically written to the FileSystem via _____________ .
A. OutputCollector.collect
B. OutputCollector.get
C. OutputCollector.receive
D. OutputCollector.put
Answer:A
Explanation:The shuffle and sort phases occur simultaneously; while map-outputs are being fetched they are merged. 10. The output of the reduce task is typically written to the FileSystem via _____________ .
A. OutputCollector.collect B. OutputCollector.get C. OutputCollector.receive D. OutputCollector.put
Explanation:The output of the Reducer is not sorted. Sanfoundry Global Education & Learning Series – Hadoop.