Explain the process of spilling in Hadoop MapReduce?


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More MapReduce Interview Questions

What is the use of InputFormat in MapReduce process?

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How to set the number of reducers?

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What are ‘reduces’?

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Map reduce jobs take too long. What can be done to improve the performance of the cluster?

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How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?

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What is streaming?

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Can there be no Reducer?

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Explain about the partitioning, shuffle and sort phase

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What is a "reducer" in Hadoop?

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In MapReduce Data Flow, when Combiner is called?

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What do you mean by data locality?

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How to specify more than one directory as input to the MapReduce Job?

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