How to write a Custom Key Class?


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More Apache Hadoop Interview Questions

Command to format the NameNode?

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How to enable trash/recycle bin in hadoop?

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What is a namenode? How many instances of namenode run on a hadoop cluster?

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What are different types of filesystem?

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How can we change the split size if our commodity hardware has less storage space?

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Explain InputFormat?

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Is it necessary to know java to learn hadoop?

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What are the four characteristics of Big Data?

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Explain the basic difference between traditional rdbms and hadoop?

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what are Task Tracker and Job Tracker?

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Can you tell us more about ssh?

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What are the different methods to run Spark over Apache Hadoop?

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