Showing posts with label Which process describes the lifecycle of a Mapper?. Show all posts
Showing posts with label Which process describes the lifecycle of a Mapper?. Show all posts

Which process describes the lifecycle of a Mapper?

A. The JobTracker calls the TaskTracker’s configure () method, then its map () method and finally its close () method.
B. The TaskTracker spawns a new Mapper to process all records in a single input split.
C. The TaskTracker spawns a new Mapper to process each key-value pair.
D. The JobTracker spawns a new Mapper to process all records in a single file.

Answer: C