How many JVMs run on a slave node?


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More Apache Hadoop Interview Questions

What problems have you faced when you are working on Hadoop code?

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What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?

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Is hadoop a database?

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What is the best hardware configuration to run Hadoop?

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Is hadoop obsolete?

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What are the benefits of block transfer?

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Define streaming?

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Explain the features of pseudo mode?

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Define fault tolerance?

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What is the purpose of DataNode block scanner?

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What is a Combiner?

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Explain how do ‘map’ and ‘reduce’ works?

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