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What happens if the quantity of the reducer is 0 in mapreduce?
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What is the default input type in MapReduce?
Explain how mapreduce works.
What are the identity mapper and reducer in MapReduce?
Can MapReduce program be written in any language other than Java?
What is the use of InputFormat in MapReduce process?
Clarify what is shuffling in map reduce?
Explain what is shuffling in mapreduce?
How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?
Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
mapper or reducer?
What do you understand by the term Straggler ?
Illustrate a simple example of the working of MapReduce.
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