Explain the basic architecture of Hadoop?


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More Apache Hadoop Interview Questions

How is hadoop different from other data processing tools?

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What is a Combiner?

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What is the meaning of speculative execution in Hadoop? Why is it important?

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What is Apache Hadoop?

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What is Your Cluster size ?

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Rack awareness of Namenode?

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Explain the difference between gen1 and gen2 hadoop with regards to the namenode?

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How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?

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What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?

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What is the purpose of button groups?

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What is the difference between HDFS and NAS ?

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What is Hadoop?

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