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

73

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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?

74

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Mention what is the data storage component used by hadoop?

441

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Mention what does the text input format do?

414

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

469

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Explain what is namenode in hadoop?

435

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Explain what is a sequence file in hadoop?

463

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Mention how many inputsplits is made by a hadoop framework?

577

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

404

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Explain is it possible to search for files using wildcards?

474

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Explain what is hadoop?

432

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Explain what is sequencefileinputformat?

454

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Mention how hadoop is different from other data processing tools?

407

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

442

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