What do the master class and the output class do?


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More Apache Hadoop Interview Questions

Explain how input and output data format of the hadoop framework?

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What is NoSQL?

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What is HDFS block size and what did you chose in your project?

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Explain the basic difference between traditional rdbms and hadoop?

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How can I install Cloudera VM in my system?

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Explain the features of pseudo mode?

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Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?

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Does the hdfs client decide the input split or namenode?

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What is the communication channel between client and namenode/datanode?

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What are the steps to submit a Hadoop job?

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Why is hadoop faster?

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Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?

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