What happens to a NameNode that has no data?


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More Apache Hadoop Interview Questions

How will you make changes to the default configuration files?

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What are the benefits of block transfer?

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what should be the ideal replication factor in hadoop?

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How to resolve IOException: Cannot create directory

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Explain the Job OutputFormat?

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What Mapper does?

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What is the full form of fsck?

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Can the balancer be run while Hadoop is in use?

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What is Input Split in hadoop?

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Explain the benefits of block transfer?

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Input Split & Record Reader and what they do?

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Is client the end user in HDFS?

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