What is the need of key-value pair to process the data in MapReduce?
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What is Output Format in MapReduce?
Define Writable data types in Hadoop MapReduce?
What is the need of MapReduce?
what is distributed cache in mapreduce framework?
What is the function of mapreducer partitioner?
For a Hadoop job, how will you write a custom partitioner?
What is LazyOutputFormat in MapReduce?
Explain the process of spilling in MapReduce?
Where the mapper's intermediate data will be stored?
How to change the name of the output file from part-r-00000 in Hadoop MapReduce?
What is the Reducer used for?
What do sorting and shuffling do?
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