What is Shuffling and Sorting in a MapReduce?


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More MapReduce Interview Questions

What are the four basic parameters of a reducer?

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Is reduce-only job possible in Hadoop MapReduce?

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What is a partitioner and how the user can control which key will go to which reducer?

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What is the difference between an RDBMS and Hadoop?

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What is the Reducer used for?

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

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How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?

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what is storage and compute nodes?

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how can you check whether Namenode is working beside using the jps command?

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Define speculative execution?

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what are the main configuration parameters that user need to specify to run Mapreduce Job ?

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Differentiate Reducer and Combiner in Hadoop MapReduce?

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