What is a secondary namenode?


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More Apache Hadoop Interview Questions

Define a commodity hardware? Does commodity hardware include ram?

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What are the Basics of Hadoop?

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What problems have you faced when you are working on Hadoop code?

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

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What is a “Distributed Cache” in Apache Hadoop?

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What are the important differences between apache and hadoop?

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What exactly is hadoop?

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Define a daemon?

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What is Apache Hadoop?

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How many instances of a jobtracker run on hadoop cluster?

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Is hadoop open source?

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What is version-id mismatch error in hadoop?

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