Mention what is the best way to copy files between hdfs clusters?

69

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Mention what is the difference between hdfs and nas?

67

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What is a difference between an input split and hdfs block?

72

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Mention what is the data storage component used by hadoop?

407

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Mention what does the text input format do?

382

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Mention what daemons run on a master node and slave nodes?

442

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Explain what is namenode in hadoop?

402

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Explain what is a sequence file in hadoop?

425

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Mention how many inputsplits is made by a hadoop framework?

534

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Explain what is jobtracker in hadoop? What are the actions followed by hadoop?

370

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Explain is it possible to search for files using wildcards?

429

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Explain what is hadoop?

403

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Explain what is sequencefileinputformat?

411

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Mention how hadoop is different from other data processing tools?

375

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Mention what are the most common input formats defined in hadoop?

412

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