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What is difference between secondary namenode, checkpoint namenode & backupnode?


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More Hadoop General Interview Questions

What are the most common OutputFormat in Hadoop?

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Why is checkpointing important in hadoop?

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What is TaskTracker?

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Does hadoop follows the unix pattern?

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What is the best practice to deploy the secondary name node?

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What are the modes in which Hadoop run?

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List out some common problems faced by data analyst?

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Mention what job does the conf class do?

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What mode(s) can hadoop code be run in?

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Explain how can we check whether namenode is working or not?

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List of the some best tools that can be useful for data-analysis?

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What happen if a datanode loses network connection for a few minutes?

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