What does the command mapred.job.tracker do?


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More Apache Hadoop Interview Questions

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

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What are the functionalities of jobtracker?

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What is speculative execution in Hadoop?

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Explain what if rack 2 and datanode fails?

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What is a Combiner?

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What is Hadoop?

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What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?

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Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?

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How hdfa differs with nfs?

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What are the modes in which Apache Hadoop run?

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What are the network requirements for using hadoop?

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Why do we need a password-less ssh in fully distributed environment?

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