What is partitioner and its usage?
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When is it not recommended to use MapReduce paradigm for large scale data processing?
Where sorting is done in Hadoop MapReduce Job?
When should you use a reducer?
Is it legal to set the number of reducer task to zero? Where the output will be stored in this case?
What is the difference between Reducer and Combiner in Hadoop MapReduce?
Explain the process of spilling in Hadoop MapReduce?
what are the three modes in which Hadoop can be run?
When is it not recommended to use MapReduce paradigm for large
Name job control options specified by mapreduce.
Where is Mapper output stored?
How to compress mapper output in Hadoop?
How to set mappers and reducers for Hadoop jobs?
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