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How can you overwrite the replication factors in HDFS?


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More Apache Hadoop Interview Questions

Is hadoop the future?

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explain Metadata in Namenode?

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How the Client communicates with HDFS?

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Why do we use HDFS for applications having large data sets and not when there are lot of small files?

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What if a namenode has no data?

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how is a file of the size 1 GB uncompressed

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

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

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Explain the difference between NameNode

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