What is the jobtracker?
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Explain the use of .mecia class?
How many instances of JobTracker can run on a Hadoop Cluser?
Main Components of Hadoop?
What is Hadoop Custom partitioner ?
What is a checkpoint?
How to change from su to cloudera?
On what basis Namenode will decide which datanode to write on?
Where do you specify the Mapper Implementation?
What do you know about nlineoutputformat?
What is salary of hadoop developer?
What is the difference between rdbms and hadoop?
shouldn't DFS be able to handle large volumes of data already?
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