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How often do you need to reformat the namenode?


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More Hadoop General Interview Questions

How would an hadoop administrator deploy various components of hadoop in production?

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what happens when namenode goes down during file read operation in hadoop?

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What is the command to change the replication factor ?

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Is it possible to have hadoop job output in multiple directories? If yes, how?

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Compare Hadoop and RDBMS?

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Can you explain edge nodes in hadoop?

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What webdav is in hadoop?

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