Explain the basic architecture of Hadoop?


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More Apache Hadoop Interview Questions

How is HDFS fault tolerant?

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How many maximum jvm can run on a slave node?

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Should we use RAID in Hadoop or not?

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How the Client communicates with HDFS?

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Explain how is hadoop different from other data processing tools?

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What is HDFS Federation?

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What are the functions of NameNode?

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Is a job split into maps?

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How we can take Hadoop out of Safe Mode?

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What is a speculative execution in Apache Hadoop MapReduce?

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What is the jobtracker and what it performs in a hadoop cluster?

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Main Components of Hadoop?

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