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What is a "reducer" in Hadoop?
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More MapReduce Interview Questions
What is map/reduce job in hadoop?
What is shuffleing in mapreduce?
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
Explain about the partitioning, shuffle and sort phase
Mention Hadoop core components?
In Hadoop, which file controls reporting in Hadoop?
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what is Speculative Execution?
What happens if the quantity of the reducer is 0 in mapreduce?
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