What is rack-aware replica placement policy?
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How hdfa differs with nfs?
How can we look for the namenode in the browser?
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?
What are the two main components of ResourceManager?
What are the modes in which Apache Hadoop run?
Does hadoop always require digital data to process?
Explain how is hadoop different from other data processing tools?
How client application interacts with the NameNode?
What are the default configuration files that are used in hadoop?
Can NameNode and DataNode be a commodity hardware?
How is security achieved in Apache Hadoop?
What is InputSplit and RecordReader?
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