What is a task instance in hadoop? Where does it run?


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More Apache Hadoop Interview Questions

What is MapFile?

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Explain the shuffle?

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What platform and java version are required to run hadoop?

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What is oozie in hadoop?

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What is a Secondary Namenode? Is it a substitute to the Namenode?

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What do you know about sequencefileinputformat?

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What happens in a textinputformat?

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Explain what is the purpose of RecordReader in Hadoop?

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What are active and passive "NameNodes"?

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How to enable recycle bin in hadoop?

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What are the basic available commands in Hadoop sqoop ?

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Does this lead to security issues?

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