How can we create a hadoop cluster from scratch?

476

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What are the port numbers of task tracker?

499

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How can you native libraries be included in yarn jobs?

484

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Define a record reader?

462

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What is the job tracker role in hadoop?

491

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Explain how do you overwrite replication factor?

468

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

638

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Define a udf?

475

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Define a sequence file in hadoop?

591

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

486

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Explain in which directory hadoop is installed?

524

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

485

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Explain the difference between an inputsplit and a block?

471

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What is the use of cloudera?

497

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Explain about the indexing process in hdfs?

81

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