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What does the high availability of a name-node means? How is it accomplished?


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More Hadoop General Interview Questions

What is TextInputFormat in Hadoop?

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Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?

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Mention what is distributed cache in hadoop?

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What are the functionalities of jobtracer?

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What is Identity reducer?

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Can we create a hadoop cluster from scratch?

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What does block mean?

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Why can we not create directory /user/dataflair/inpdata001 when name node is in safe mode?

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What do you understand by standalone (or local) mode?

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How would you check whether your NameNode is working or not?

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What is the basic difference between traditional RDBMS and Hadoop?

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Is there another way to check whether Namenode is working?

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