What hadoop does in safe mode?


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More Apache Hadoop Interview Questions

How you can contact your client everyday ?

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

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What if a namenode has no data?

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Main Components of Hadoop?

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What are sink processors?

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What is a Task instance in Hadoop? Where does it run?1

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Explain why the name ‘hadoop’?

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How many instances of tasktracker run on a hadoop cluster?

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How we can take Hadoop out of Safe Mode?

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

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On what basis Namenode will decide which datanode to write on?

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Mention what are the data components used by Hadoop?

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