Explain the process of spilling in Hadoop MapReduce?
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What is the use of InputFormat in MapReduce process?
What is the process of changing the split size if there is limited storage space on Commodity Hardware?
What are the four essential parameters of a mapper?
Differentiate Reducer and Combiner in Hadoop MapReduce?
How to specify more than one directory as input in the Hadoop MapReduce Program?
Explain the differences between a combiner and reducer
What is shuffling and sorting in mapreduce?
Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
What is the function of mapreduce partitioner?
Is YARN a replacement of Hadoop MapReduce?
In Hadoop what is InputSplit?
How can we assure that the values regarding a particular key goes to the same reducer?
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