what is Speculative Execution?
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Explain what you understand by speculative execution
Define the purpose of the partition function in mapreduce framework
What is Counter in MapReduce?
What is the default input type in MapReduce?
In mapreduce what is a scarce system resource? Explain?
How to submit extra files(jars, static files) for MapReduce job during runtime?
Explain the differences between a combiner and reducer
Where is Mapper output stored?
Explain how do ‘map’ and ‘reduce’ work?
What can be optimum value for Reducer?
Is it possible to rename the output file?
Is there any point of learning mapreduce, then?
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