How can we create a hadoop cluster from scratch?

431

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What are the port numbers of task tracker?

469

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How can you native libraries be included in yarn jobs?

442

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Define a record reader?

418

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What is the job tracker role in hadoop?

432

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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?

443

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Explain in which directory hadoop is installed?

478

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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?

454

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Explain about the indexing process in hdfs?

75

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