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How to create custom key and custom value in MapReduce Job?


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More MapReduce Interview Questions

How to overwrite an existing output file during execution of mapreduce jobs?

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What is the difference between RDBMS with Hadoop MapReduce?

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Why MapReduce uses the key-value pair to process the data?

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In mapreduce what is a scarce system resource? Explain?

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What is the purpose of textinputformat?

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Explain what is shuffling in mapreduce?

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What is mapreduce algorithm?

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What is the Job interface in MapReduce framework?

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Describe what happens to a mapreduce job from submission to output?

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Explain slot in Hadoop Map-Reduce v1?

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What is MapReduce? What are the syntax you use to run a MapReduce program?

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What happen if the number of the reducer is 0 in MapReduce?

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