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What happen if the number of the reducer is 0 in MapReduce?
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What is the InputSplit in map reduce ?
Where sorting is done in Hadoop MapReduce Job?
Define Writable data types in MapReduce?
How much space will the split occupy in Mapreduce?
When should you use sequencefileinputformat?
what is the Hadoop MapReduce APIs contract for a key and value class?
What are combiners? When should I use a combiner in my MapReduce Job?
What is a Distributed Cache in Hadoop?
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
Define the purpose of the partition function in mapreduce framework
Explain what is distributed cache in mapreduce framework?
Explain what is the function of mapreduce partitioner?
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