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Define MapReduce?
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Why is output file name in Hadoop MapReduce part-r-00000?
Whether the output of mapper or output of partitioner written on local disk?
Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
For a job in Hadoop, is it possible to change the number of mappers to be created?
what are the basic parameters of a Mapper?
Clarify what is shuffling in map reduce?
What comes in Hadoop 2.0 and MapReduce V2 YARN
How to set mappers and reducers for MapReduce jobs?
What is MapReduce?
What are the four basic parameters of a reducer?
How does MapReduce framework view its input internally?
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