What is Safemode in Apache Hadoop?


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More Apache Hadoop Interview Questions

What is IdentityMapper?

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Does hadoop always require digital data to process?

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What do the master class and the output class do?

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What is the problem with small files in Apache Hadoop?

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What is Derby database?

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What is NoSQL?

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Have you ever used Counters in Hadoop. Give us an example scenario?

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What are the four characteristics of Big Data?

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Which data storage components are used by hadoop?

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What is the InputFormat ?

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what are the steps involved in commissioning adding

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Should we use RAID in Hadoop or not?

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