What is Reducer in MapReduce?
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How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?
What does conf.setmapper class do?
What is the Job interface in MapReduce framework?
How does MapReduce framework view its input internally?
Explain what you understand by speculative execution
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
How to write MapReduce Programs?
What are advantages of Spark over MapReduce?
What are the the issues associated with the map and reduce slots based mechanism in mapReduce?
What is a TaskInstance?
What is MapReduce? What are the syntax you use to run a MapReduce program?
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
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