Explain the input type/format in mapreduce by default?
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With the help of two examples name the map and reduce function purpose
In MapReduce how to change the name of the output file from part-r-00000?
How to optimize MapReduce Job?
In MapReduce Data Flow, when Combiner is called?
Explain combiners.
Is it possible to rename the output file?
How does fault tolerance work in mapreduce?
What is the use of InputFormat in MapReduce process?
Explain what is shuffling in mapreduce?
Explain the Reducer's Sort phase?
How do reducers communicate with each other?
What combiners are and when you should use a combiner in a mapreduce job?
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