Define a task tracker?


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More Apache Hadoop Interview Questions

explain Metadata in Namenode?

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What are the basic available commands in Hadoop sqoop ?

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Explain the master class and the output class do?

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Can hive run without hadoop?

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What is inputformat in hadoop?

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did you maintain the hadoop cluster in-house or used hadoop in the cloud?

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

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What is high availability in hadoop?

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Explain the hadoop configuration files at present?

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How Mapper is instantiated in a running job?

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What other technologies have you used in hadoop sta ck?

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What is the Use of SSH in Hadoop ?

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