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What do you understand by mapreduce?
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Mention what is the hadoop mapreduce apis contract for a key and value class?
what is the Hadoop MapReduce APIs contract for a key and value class?
How to submit extra files(jars, static files) for Hadoop MapReduce job during runtime?
Explain the Reducer's Sort phase?
What is the job of blend () and repartition () in Map Reduce?
How to write a custom partitioner for a Hadoop MapReduce job?
What is a scarce system resource?
What do you understand by the term Straggler ?
what job does the conf class do?
Explain the differences between a combiner and reducer
Explain about the basic parameters of mapper and reducer function
Describe what happens to a mapreduce job from submission to output?
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