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What does the command mapred.job.tracker do?


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More Apache Hadoop Interview Questions

Mention what is the number of default partitioner in Hadoop?

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How to come out of the insert mode?

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What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?

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Is it possible to provide multiple inputs to hadoop? If yes, explain.

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Explain why do we need hadoop?

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How many instances of tasktracker run on a hadoop cluster?

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How indexing is done in HDFS?

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What if a namenode has no data?

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Explain the basic difference between traditional rdbms and hadoop?

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On which port does ssh work?

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What is a speculative execution in Apache Hadoop MapReduce?

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Why do we use Hadoop?

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