Is map like a pointer?


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More Apache Hadoop Interview Questions

Why password is needed in ssh localhost?

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What does job conf class do?

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What is Row Key?

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Give the use of the bootstrap panel.

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How does master slave architecture in the hadoop?

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What happens to job tracker when namenode is down?

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what is meaning Replication factor?

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What stored in HDFS?

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What do you know about nlineoutputformat?

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How many instances of JobTracker can run on a Hadoop Cluser?

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What is the relation between job and task in hadoop?

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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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