What is the difference between traditional RDBMS and Hadoop?


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More Apache Hadoop Interview Questions

What is high availability in hadoop?

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In which location Name Node stores its Metadata and why?

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What are the basic available commands in Hadoop sqoop ?

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How the HDFS Blocks are replicated?

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What is Hadoop streaming?

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What are the modules that constitute the Apache Hadoop 2.0 framework?

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what is the typical block size of an HDFS block?

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Rack awareness of Namenode?

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What is the sequencefileinputformat in hadoop?

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What is the functionality of jobtracker in hadoop?

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What is 'Key value pair' in HDFS?

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What is a Record Reader in hadoop?

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