What is the key- value pair in Hadoop MapReduce?


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More MapReduce Interview Questions

What is a mapreduce algorithm?

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When is it suggested to use a combiner in a MapReduce job?

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Why is output file name in Hadoop MapReduce part-r-00000?

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what is NameNode in Hadoop?

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Explain slot in Hadoop Map-Reduce v1?

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Is there any point of learning mapreduce, then?

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Different ways of debugging a job in MapReduce?

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Explain about the basic parameters of mapper and reducer function

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What is the difference between Reducer and Combiner in Hadoop MapReduce?

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List the network requirements for using Hadoop ?

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

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How many numbers of reducers run in Map-Reduce Job?

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