What are mapreduce new and old apis while writing map reduce program?. Explain how it works

633

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Give some points of pig for hadoop ?

555

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How does master slave architecture in the hadoop?

811

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Explain the wordcount implementation via hadoop framework ?

717

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What is hadoop framework?

714

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What is partioner in hadoop? Where does it run,mapper or reducer?

666

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What is a task instance in hadoop? Where does it run?

609

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How to enable recycle bin in hadoop?

754

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How to enable trash/recycle bin in hadoop?

733

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What is small file problem in hadoop?

773

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What are the default configuration files that are used in hadoop?

687

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What exactly is hadoop?

689

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Can we do online transactions(oltp) using hadoop?

667

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Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?

682

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What is output format in hadoop?

681

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