What is shuffling and sorting in Hadoop MapReduce?
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What is the Hadoop MapReduce API contract for a key and value Class?
What are the key differences between Pig vs MapReduce?
What is Output Format in MapReduce?
What is the relation between MapReduce and Hive?
what are the basic parameters of a Mapper?
How many InputSplits is made by a Hadoop Framework?
What happen if the number of the reducer is 0 in MapReduce?
Why is Apache Spark faster than Hadoop MapReduce?
How to specify more than one directory as input in the Hadoop MapReduce Program?
What is SequenceFileInputFormat in Hadoop MapReduce?
What is the input type/format in MapReduce by default?
Mention what are the main configuration parameters that user need to specify to run mapreduce job?