What do you understand by mapreduce?


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More MapReduce Interview Questions

A number of combiners can be changed or not in MapReduce?

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what job does the conf class do?

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Is YARN a replacement of Hadoop MapReduce?

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Why do we need MapReduce during Pig programming?

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Explain what is distributed cache in mapreduce framework?

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Explain what you understand by speculative execution

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What is the difference between HDFS block and input split?

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How to optimize MapReduce Job?

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what are the most common input formats defined in Hadoop?

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What is the key- value pair in Hadoop MapReduce?

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what are the basic parameters of a Mapper?

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What is Counter in MapReduce?

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