What do you understand by the term Straggler ?
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What is a map side join?
What is shuffling and sorting in mapreduce?
When is it suggested to use a combiner in a MapReduce job?
What happens when a DataNode fails during the write process?
Clarify what is shuffling in map reduce?
What is optimal size of a file for distributed cache?
Can we rename the output file?
What is the next step after Mapper or MapTask?
What is the core of the job in MapReduce framework?
Is it mandatory to set input and output type/format in MapReduce?
Explain about the partitioning, shuffle and sort phase
What is Output Format in MapReduce?
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