What is the difference between a Hadoop and Relational Database and Nosql?


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More Apache Hadoop Interview Questions

What is partioner in hadoop? Where does it run,mapper or reducer?

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What is hbase in hadoop?

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How many instances of JobTracker can run on a Hadoop Cluser?

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What are the problems with Hadoop 1.0?

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Define a job tracker?

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Why do we use Hadoop?

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What is Partioner in hadoop? Where does it run

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What do masters consist of?

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Can the balancer be run while Hadoop is in use?

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Can you give us some more details about ssh communication between masters and the slaves?

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Explain the shuffle?

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how would you modify that solution to only count the number of unique words in all the documents?

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