Explain the input type/format in mapreduce by default?
In MapReduce how to change the name of the output file from part-r-00000?
What happens if the quantity of the reducer is 0 in mapreduce?
Define MapReduce?
What is partitioning in MapReduce?
What is the data storage component used by Hadoop?
What is an identity mapper and identity reducer?
Explain what you understand by speculative execution
Explain the Reducer's reduce phase?
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
With the help of two examples name the map and reduce function purpose
What is shuffleing in mapreduce?
How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?