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What happens when a datanode fails ?


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More MapReduce Interview Questions

Where sorting is done on mapper node or reducer node in MapReduce?

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When is it not recommended to use MapReduce paradigm for large scale data processing?

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What is Hadoop Map Reduce ?

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What are the benefits of Spark over MapReduce?

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What are the various InputFormats in Hadoop?

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Different ways of debugging a job in MapReduce?

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Clarify what combiners are and when you should utilize a combiner in a map reduce job?

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What is the problem with the small file in Hadoop?

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In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?

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What is the process of changing the split size if there is limited storage space on Commodity Hardware?

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MapReduce Types and Formats and Setting up a Hadoop Cluster?

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Write a Mapreduce Program for Character Count ?

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