How to change replication factor of files already stored in HDFS?


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More Apache Hadoop Interview Questions

What is the functionality of jobtracker in hadoop?

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What is a Combiner?

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Mention what are the data components used by Hadoop?

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Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?

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What is Hadoop Custom partitioner ?

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What are active and passive "NameNodes"?

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What is the use of Combiner?

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What is yarn in hadoop?

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How to keep HDFS cluster balanced?

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What is structured data?

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How many JVMs run on a slave node?

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Give the use of the bootstrap panel.

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