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How is mapreduce related to cloud computing?
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How to create custom key and custom value in MapReduce Job?
what are the basic parameters of a Mapper?
How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?
Mention when to use Map reduce mode?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
Explain how do ‘map’ and ‘reduce’ work?
What are the main configuration parameters in a MapReduce program?
What can be optimum value for Reducer?
What does a split do?
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
What is a partitioner and how the user can control which key will go to which reducer?
Define the Use of MapReduce?
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