How does an hadoop application look like or their basic components?


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More Apache Hadoop Interview Questions

Define streaming?

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On what basis data will be stored on a rack?

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What is the difference between traditional RDBMS and Hadoop?

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What do you know by storage and compute node?

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What is a 'block' in HDFS?

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How many instances of a jobtracker run on hadoop cluster?

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How blocks are distributed among all data nodes for a particular chunk of data?

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What are the functionalities of jobtracker?

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What is the full form of fsck?

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Define a combiner?

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Is hadoop open source?

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What happens in a textinputformat?

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