Explain why do we need hadoop?


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More Apache Hadoop Interview Questions

What is NoSQL?

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Main Components of Hadoop?

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What are the benefits of block transfer?

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Explain the use of .mecia class?

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What stored in HDFS?

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

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What's the best way to copy files between HDFS clusters?

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what is meaning Replication factor?

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Explain the basic difference between traditional rdbms and hadoop?

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What are the core components of Apache Hadoop?

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How can one increase replication factor to a desired value in Hadoop?

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How will format the HDFS ?

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