How can you native libraries be included in yarn jobs?

444

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Define a record reader?

418

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What is the job tracker role in hadoop?

433

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Explain how do you overwrite replication factor?

438

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Explain how can we check whether namenode is working or not?

577

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Define a udf?

427

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Define a sequence file in hadoop?

546

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Name the operating system(s) which are supported for production hadoop deployment?

444

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Explain in which directory hadoop is installed?

479

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List of the some best tools that can be useful for data-analysis?

447

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Explain the difference between an inputsplit and a block?

434

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What is the use of cloudera?

455

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Explain about the indexing process in hdfs?

75

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Explain what is difference between an input split and hdfs block?

76

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Replication causes data redundancy then why is pursued in hdfs?

48

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