______________ is another implementation of the MapRunnable interface that runs mappers concurrently in a configurable number of threads.(a) MultithreadedRunner(b) MultithreadedMap(c) MultithreadedMapRunner(d) SinglethreadedMapRunner

______________ is another implementation of the MapRunnable interface

1.	______________ is another implementation of the MapRunnable interface that runs mappers concurrently in a configurable number of threads.(a) MultithreadedRunner(b) MultithreadedMap(c) MultithreadedMapRunner(d) SinglethreadedMapRunner
Answer» Correct choice is (c) MultithreadedMapRunner Easiest explanation: A RecordReader is little more than an iterator over records, and the map task uses one to generate record key-value pairs, which it passes to the map function.

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______________ is another implementation of the MapRunnable interface that runs mappers concurrently in a configurable number of threads.(a) MultithreadedRunner(b) MultithreadedMap(c) MultithreadedMapRunner(d) SinglethreadedMapRunner

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