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What happens to a NameNode that has no data?


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More Apache Hadoop Interview Questions

Define a task tracker?

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Is it possible to provide multiple inputs to hadoop? If yes, explain.

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Is client the end user in HDFS?

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explain Metadata in Namenode?

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Where is the Mapper Output intermediate kay-value data stored ?

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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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Name the various types of lists supported by bootstrap.

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What is Hadoop Custom partitioner ?

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How would you tackle counting words in several text documents?

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What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?

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Which are the two types of 'writes' in HDFS?

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What are the two main components of ResourceManager?

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