How to write a Custom Key Class?


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More Apache Hadoop Interview Questions

Explain how do ‘map’ and ‘reduce’ works?

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Knox and Hadoop Development Tools?

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What is Safemode in Apache Hadoop?

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What are sink processors?

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What is the communication channel between client and namenode/datanode?

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What is MapFile?

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What is the best hardware configuration to run Hadoop?

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What is the purpose of RawComparator interface?

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Is hadoop the future?

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What infrastructure do we need to process 100 TB data using Hadoop?

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What are the core components of Apache Hadoop?

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What is structured data?

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