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Is there any point of learning mapreduce, then?
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More MapReduce Interview Questions
Clarify what is shuffling in map reduce?
How data is spilt in Hadoop?
What is a scarce system resource?
How to overwrite an existing output file during execution of mapreduce jobs?
Where sorting is done on mapper node or reducer node in MapReduce?
Explain what does the conf.setMapper Class do in MapReduce?
Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
Where is the output of Mapper written in Hadoop?
How to set mappers and reducers for MapReduce jobs?
What is identity mapper and reducer? In which cases can we use them?
What is RecordReader in a Map Reduce?
what is Speculative Execution?
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