Can MapReduce program be written in any language other than Java?
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What is the role of a MapReduce partitioner?
Whether the output of mapper or output of partitioner written on local disk?
How to set the number of mappers to be created in MapReduce?
Describe what happens to a mapreduce job from submission to output?
When is the reducers are started in a MapReduce job?
What is MapReduce?
What is shuffling and sorting in mapreduce?
Clarify what is shuffling in map reduce?
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
Explain the differences between a combiner and reducer
what job does the conf class do?
What platform and Java version is required to run Hadoop?
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