What do you understand from Node redundancy and is it exist in hadoop cluster?


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More Apache Hadoop Interview Questions

If a data Node is full how it's identified?

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What infrastructure do we need to process 100 TB data using Hadoop?

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What is small file problem in hadoop?

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How we can take Hadoop out of Safe Mode?

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What is hbase in hadoop?

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What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?

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Explain the features of stand alone (local) mode?

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Define fault tolerance?

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What is Row Key?

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What is Writable & WritableComparable interface?

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

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Can Hadoop be compared to NOSQL database like Cassandra?

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