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What if a namenode has no data?


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More Apache Hadoop Interview Questions

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What do you know about keyvaluetextinputformat?

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What are the port numbers of namenode, job tracker and task tracker?

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How does a namenode handle the failure of the data nodes?

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What happens to job tracker when namenode is down?

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What is output format in hadoop?

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Does Hadoop requires RAID?

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Is fs.mapr.working.dir a single directory?

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How many JVMs run on a slave node?

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What is your favourite tool in the hadoop ecosystem?

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How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?

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