What is a checkpoint?


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More Apache Hadoop Interview Questions

What is speculative execution in Hadoop?

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What is structured data?

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

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What happens in a textinputformat?

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Explain the basic difference between traditional rdbms and hadoop?

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What does /etc /init.d do?

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What is the full form of fsck?

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How will you make changes to the default configuration files?

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Explain Erasure Coding in Apache Hadoop?

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What is IdentityMapper?

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Explain the overview of hadoop history breifly?

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Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?

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