How can we create a hadoop cluster from scratch?

423

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What are the port numbers of task tracker?

462

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How can you native libraries be included in yarn jobs?

439

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Define a record reader?

396

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What is the job tracker role in hadoop?

424

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Explain how do you overwrite replication factor?

433

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

568

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Define a udf?

414

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Define a sequence file in hadoop?

538

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

437

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Explain in which directory hadoop is installed?

469

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

437

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Explain the difference between an inputsplit and a block?

427

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What is the use of cloudera?

446

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Explain about the indexing process in hdfs?

73

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