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Explain what does the conf.setMapper Class do in MapReduce?


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More MapReduce Interview Questions

What is the Hadoop MapReduce API contract for a key and value Class?

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What is reduce side join in mapreduce?

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What is Hadoop Map Reduce ?

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Define the purpose of the partition function in mapreduce framework

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When is it not recommended to use MapReduce paradigm for large scale data processing?

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what daemons run on a master node and slave nodes?

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Explain what are the basic parameters of a mapper?

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When should you use sequencefileinputformat?

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What are the various configuration parameters required to run a mapreduce job?

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How do ‘map’ and ‘reduce’ work?

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Explain about the basic parameters of mapper and reducer function

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what does the text input format do?

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