When should you use sequencefileinputformat?
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Mention what are the main configuration parameters that user need to specify to run mapreduce job?
what is NameNode in Hadoop?
Explain the general mapreduce algorithm
What is MapReduce in Hadoop?
What happen if the number of the reducer is 0 in MapReduce?
What combiners are and when you should use a combiner in a mapreduce job?
Which are the methods in the mapper interface?
What do you mean by shuffling and sorting in MapReduce?
What are combiners? When should I use a combiner in my MapReduce Job?
What do you know about nlineinputformat?
What is the use of InputFormat in MapReduce process?
Can we rename the output file?
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