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How can one check whether NameNode is working or not?


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More Hadoop General Interview Questions

What is job tracker role in hadoop?

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Explain small file problem in hadoop

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Can you explain edge nodes in hadoop?

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After the Map phase finishes, the Hadoop framework does 'Partitioning, Shuffle and sort'. Explain what happens in this phase?

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What is TextInputFormat in Hadoop?

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What is streaming in Hadoop?

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Which language is more suitable for text analytics? R or python?

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Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?

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Can you explain hadoop streaming?

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What is the difference between a hadoop database and relational database?

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Mention what are the most common input formats defined in hadoop?

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What is active and passive NameNode in Hadoop?

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