What are the Basics of Hadoop?


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More Apache Hadoop Interview Questions

What is HDFS Block size? How is it different from traditional file system block size?

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What does /etc /init.d do?

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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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Can you tell us more about ssh?

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Is hadoop the future?

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How Mapper is instantiated in a running job?

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What are the important differences between apache and hadoop?

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How does an hadoop application look like or their basic components?

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What is Rack Awareness in Apache Hadoop?

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What is Hadoop serialization?

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What is the port number for NameNode

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What are sink processors?

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