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What is the difference between a MapReduce InputSplit and HDFS block?
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Explain the differences between a combiner and reducer
Explain Working of MapReduce?
What happen if the number of the reducer is 0 in MapReduce?
What are the advantages of using mapreduce with hadoop?
How many times combiner is called on a mapper node in Hadoop?
What is Distributed Cache in the MapReduce Framework?
What are the primary phases of a Reducer?
Explain what you understand by speculative execution
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
When the reducers are are started in a mapreduce job?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
How to change the name of the output file from part-r-00000 in Hadoop MapReduce?
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