Mention how hadoop is different from other data processing tools?

455

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

486

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Mention what is rack awareness?

429

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Mention what is the difference between an rdbms and hadoop?

474

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Mention what are the three modes in which hadoop can be run?

468

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Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?

661

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Explain what is storage and compute nodes?

553

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Explain how jobtracker schedules a task?

517

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Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?

484

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What happens in text format?

495

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Explain how is data partitioned before it is sent to the reducer if no custom partitioner is defined in hadoop?

488

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Explain what is a task tracker in hadoop?

509

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Explain what is speculative execution?

465

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Explain what happens in text format?

618

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Mention what is distributed cache in hadoop?

479

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