What is structured data?


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More Apache Hadoop Interview Questions

Explain Erasure Coding in Apache Hadoop?

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shouldn't DFS be able to handle large volumes of data already?

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Explain the hadoop configuration files at present?

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What is a Record Reader in hadoop?

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What are the different types of Znodes?

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Input Split & Record Reader and what they do?

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Why is hadoop faster?

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Which command is used for the retrieval of the status of daemons running the hadoop cluster?

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What are the important differences between apache and hadoop?

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Explain use cases where SequenceFile class can be a good fit?

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In which location Name Node stores its Metadata and why?

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Is map like a pointer?

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