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Explain what are the basic parameters of a mapper?
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Explain InputSplit in Hadoop MapReduce?
What can be optimum value for Reducer?
Where the mapper's intermediate data will be stored?
What is the fundamental difference between a MapReduce InputSplit and HDFS block?
What is the process of changing the split size if there is limited storage space on Commodity Hardware?
What are the the issues associated with the map and reduce slots based mechanism in mapReduce?
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
What do you mean by inputformat?
when do reducers play their role in a mapreduce task?
What is the difference between map and reduce?
Can we set the number of reducers to zero in MapReduce?
What is the purpose of textinputformat?
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