What is the use of InputFormat in MapReduce process?
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Explain the process of spilling in MapReduce?
Why Mapreduce output written in local disk?
how Hadoop is different from other data processing tools?
What counter in Hadoop MapReduce?
What is a Distributed Cache in Hadoop?
What are the configuration parameters in the 'MapReduce' program?
Difference between mapreduce and spark
What is optimal size of a file for distributed cache?
What is Data Locality in Hadoop?
Is it important for Hadoop MapReduce jobs to be written in Java?
How to create custom key and custom value in MapReduce Job?
Explain what is “map” and what is "reducer" in hadoop?
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