Answer / sai krishna kesanapalli

Hadoop is an open source distributed processing framework that manages data processing and storing for big data applications running in clustered systems.

What is Hadoop?

1 Answers  

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Define a combiner?

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Name some companies that use Hadoop?

1 Answers   Airtel,

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Can you tell us more about ssh?

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Is it possible to provide multiple inputs to hadoop? If yes, explain.

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Which one is default InputFormat in Hadoop ?

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How you can contact your client everyday ?

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what is difference between int and intwritable?

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Is it necessary to write jobs for hadoop in the java language?

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Explain the hadoop configuration files at present?

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What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?

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What is crontab? Explain with suitable example?

1 Answers  

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