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

79

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Mention what is the difference between hdfs and nas?

75

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

82

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Mention what is the data storage component used by hadoop?

484

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Mention what does the text input format do?

450

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

511

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Explain what is namenode in hadoop?

478

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Explain what is a sequence file in hadoop?

520

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Mention how many inputsplits is made by a hadoop framework?

613

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

450

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Explain is it possible to search for files using wildcards?

524

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Explain what is hadoop?

464

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Explain what is sequencefileinputformat?

490

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Mention how hadoop is different from other data processing tools?

449

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

481

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