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What does name-node mean in hadoop?


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More Hadoop General Interview Questions

What is data cleansing?

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What is hadoop? Name the main components of a hadoop application?

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What is heartbeat in hadoop?

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What are the restriction to the key and value class ?

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Can we deploye job tracker other than name node?

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Who are ‘Data Scientists’?

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Which object can be used to get the progress of a particular job

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Mention how hadoop is different from other data processing tools?

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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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What sorts of actions does the job tracker process perform?

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Name the most common Input Formats defined in Hadoop? Which one is default?

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What is a Heartbeat in Hadoop?

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