Whether the output of mapper or output of partitioner written on local disk?
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What is the need of key-value pair to process the data in MapReduce?
What is the need of MapReduce in Hadoop?
Can you tell us how many daemon processes run on a hadoop system?
Is it possible to rename the output file?
what is distributed cache in mapreduce framework?
What is MapReduce?
Explain the process of spilling in Hadoop MapReduce?
Explain JobConf in MapReduce.
How to submit extra files(jars, static files) for Hadoop MapReduce job during runtime?
Explain the input type/format in mapreduce by default?
What is the core of the job in MapReduce framework?
Compare Pig vs Hive vs Hadoop MapReduce?
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