Explain how mapreduce works.
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Explain the general mapreduce algorithm
What is identity mapper and reducer? In which cases can we use them?
What is InputFormat in Hadoop MapReduce?
How to change a number of mappers running on a slave in MapReduce?
What is the need of key-value pair to process the data in MapReduce?
How does Mappers run method works?
What is the job of blend () and repartition () in Map Reduce?
What do you understand by mapreduce?
Explain Working of MapReduce?
Define Writable data types in Hadoop MapReduce?
What is the inputsplit in map reduce software?
Explain about the partitioning, shuffle and sort phase
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