Can MapReduce program be written in any language other than Java?
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What is the use of InputFormat in MapReduce process?
Which are the methods in the mapper interface?
Explain the process of spilling in Hadoop MapReduce?
Why Mapper runs in heavy weight process and not in a thread in MapReduce?
Where sorting is done on mapper node or reducer node in MapReduce?
Explain what you understand by speculative execution
How to set mappers and reducers for Hadoop jobs?
what is storage and compute nodes?
Define Writable data types in Hadoop MapReduce?
What are the configuration parameters in the 'MapReduce' program?
What combiners is and when you should use a combiner in a MapReduce Job?
What is sqoop in Hadoop ?
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