Explain the wordcount implementation via hadoop framework ?


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What is speculative execution in Hadoop?

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How to change Replication Factor For below cases ?

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What are the four characteristics of Big Data?

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

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What is the default replication factor?

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What are the limitations of importing RDBMS tables into Hcatalog directly?

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What is Schema on Read and Schema on Write?

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Where do you specify the Mapper Implementation?

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Command to format the NameNode?

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