what are Task Tracker and Job Tracker?


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More Apache Hadoop Interview Questions

Can the balancer be run while Hadoop is in use?

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How can we check whether namenode is working or not?

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Define streaming access?

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How to enable/configure the compression of map output data in hadoop?

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Mention what are the data components used by Hadoop?

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What hadoop does in safe mode?

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What do you understand from Node redundancy and is it exist in hadoop cluster?

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How to change from su to cloudera?

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If a data Node is full how it's identified?

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What is the use of combiners in the hadoop framework?

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Is it possible to provide multiple inputs to hadoop? If yes, explain.

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How can we look for the namenode in the browser?

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