What is a “Distributed Cache” in Apache Hadoop?


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More Apache Hadoop Interview Questions

What are active and passive "NameNodes"?

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Explain what is sqoop in Hadoop ?

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How many instances of JobTracker can run on a Hadoop Cluser?

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

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What is a block and block scanner in HDFS?

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What do you know about keyvaluetextinputformat?

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What is salary of hadoop developer?

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What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?

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What happens in a textinputformat?

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Where is the Mapper Output intermediate kay-value data stored ?

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How is HDFS fault tolerant?

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Explain what if rack 2 and datanode fails?

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