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  1. Categories >> Software >> Big Data >> Hadoop >> Apache Hadoop
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What is a block and block scanner in HDFS?

Question Posted / bhanu prakash

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More Apache Hadoop Interview Questions

What is Rack awareness?

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Define a job tracker?

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What is HDFS ? How it is different from traditional file systems?

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What if rack 2 and datanode fails?

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What is inputsplit in hadoop? Explain.

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Does hadoop always require digital data to process?

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Input Split & Record Reader and what they do?

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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?

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What is the difference between Hadoop and Traditional RDBMS?

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What is the Use of SSH in Hadoop ?

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What is a checkpoint?

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