Is hadoop a memory?


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More Apache Hadoop Interview Questions

What is structured data?

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Why do we use HDFS for applications having large data sets and not when there are lot of small files?

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Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?

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On what basis data will be stored on a rack?

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Is hadoop obsolete?

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What is a Combiner?

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What are channel selectors?

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What do shuffling do?

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Who invented hadoop?

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when hadoop enter in safe mode?

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What is the difference between hadoop and other data processing tools?

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Does the hdfs client decide the input split or namenode?

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