How is mapreduce related to cloud computing?
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What are the the issues associated with the map and reduce slots based mechanism in mapReduce?
Explain what you understand by speculative execution
Explain combiners.
What are mapreduce new and old apis while writing map reduce program?. Explain how it works
when do reducers play their role in a mapreduce task?
Does Partitioner run in its own JVM or shares with another process?
How hadoop mapreduce works?
Explain task granularity
When is the reducers are started in a MapReduce job?
Explain the process of spilling in MapReduce?
What is the function of mapreduce partitioner?
what job does the conf class do?
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