What is a Record Reader in hadoop?


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More Apache Hadoop Interview Questions

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

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Where is the Mapper Output stored?

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Does hadoop always require digital data to process?

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How will you make changes to the default configuration files?

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How to configure hadoop to reuse JVM for mappers?

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What is HDFS High Availability?

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What is the heartbeat used for?

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Command to format the NameNode?

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What is Apache Hadoop?

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How many JVMs run on a slave node?

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Does this lead to security issues?

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Name some companies that use Hadoop?

0 Answers   Airtel,


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