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What is distributed copy (distcp)?


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More Hadoop General Interview Questions

How will you write a custom partitioner for a Hadoop job?

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What is configured in /etc/hosts and what is its role in setting Hadoop cluster?

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Why we use intwritable instead of int? Why we use longwritable instead of long?

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Can you explain hadoop streaming?

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What are the different commands used to startup and shutdown Hadoop daemons?

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How to debug Hadoop code?

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Explain what is a sequence file in hadoop?

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Can you explain the common input formats in hadoop?

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Define a record reader?

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How Big is ‘Big Data’?

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Can you explain sequence file in hadoop?

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What happens if you don?t override the mapper methods and keep them as it is?

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