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


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More Apache Hadoop Interview Questions

What is the heartbeat used for?

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Is it necessary to write jobs for hadoop in the java language?

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What do shuffling do?

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How to exit the vi editor?

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What are the modes in which Apache Hadoop run?

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What problems have you faced when you are working on Hadoop code?

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What is the purpose of DataNode block scanner?

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What is high availability in hadoop?

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Mention what is the use of Context Object?

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Mention what is the number of default partitioner in Hadoop?

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What are the two main parts of the hadoop framework?

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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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