Where sorting is done in Hadoop MapReduce Job?
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Define Writable data types in Hadoop MapReduce?
Explain what does the conf.setmapper class do?
What is shuffling and sorting in Hadoop MapReduce?
Define speculative execution?
How to set which framework would be used to run mapreduce program?
Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
What is shuffling in mapreduce?
What are ‘reduces’?
What happen if the number of the reducer is 0 in MapReduce?
What is the difference between Reducer and Combiner in Hadoop MapReduce?
Explain what is shuffling in mapreduce?
What are the key differences between Pig vs MapReduce?
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