What is shuffling in mapreduce?
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what are the basic parameters of a Mapper?
What are ‘reduces’?
Why is Apache Spark faster than Hadoop MapReduce?
What is a IdentityMapper and IdentityReducer in MapReduce ?
what are the most common input formats defined in Hadoop?
What is LazyOutputFormat in MapReduce?
Explain about the basic parameters of mapper and reducer function
Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.
What are the advantages of using mapreduce with hadoop?
What is an input reader in reference to mapreduce?
For a job in Hadoop, is it possible to change the number of mappers to be created?
What are the configuration parameters in the 'MapReduce' program?
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