How much space will the split occupy in Mapreduce?
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What is optimal size of a file for distributed cache?
What is Distributed Cache in the MapReduce Framework?
when do reducers play their role in a mapreduce task?
Explain the differences between a combiner and reducer
Is it mandatory to set input and output type/format in MapReduce?
Why Mapreduce output written in local disk?
What is the Job interface in MapReduce framework?
What is a combiner and where you should use it?
What is MapReduce? What are the syntax you use to run a MapReduce program?
Explain combiners.
What does a split do?
What are the disservices of utilizing Apache Spark over Hadoop MapReduce?