Write a Mapreduce Program for Character Count ?


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More MapReduce Interview Questions

What is Data Locality in Hadoop?

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What is a scarce system resource?

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Illustrate a simple example of the working of MapReduce.

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How to sort intermediate output based on values in MapReduce?

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When should you use a reducer?

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How can we control particular key should go in a specific reducer?

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Define speculative execution?

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How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?

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What are the primary phases of a Reducer?

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What happens if the quantity of the reducer is 0 in mapreduce?

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what is a sequence file in Hadoop?

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What do you mean by shuffling and sorting in MapReduce?

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