Explain the basic difference between traditional rdbms and hadoop?


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More Apache Hadoop Interview Questions

Is hadoop open source?

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What is the purpose of RawComparator interface?

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What are the different types of Znodes?

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What do you know about keyvaluetextinputformat?

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Is map like a pointer?

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Why are the number of splits equal to the number of maps?

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What are the benefits of block transfer?

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What is commodity hardware?

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what is meaning Replication factor?

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What is output format in hadoop?

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What does the command mapred.job.tracker do?

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What is Hadoop serialization?

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