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How many instances of JobTracker can run on a Hadoop Cluser?
What is a checkpoint?
How to Administering Hadoop?
How to enable recycle bin in hadoop?
What hadoop does in safe mode?
what are the nodes in the Hadoop cluster?
How client application interacts with the NameNode?
Does this lead to security issues?
what are the steps involved in commissioning adding
How is the option in Hadoop to skip the bad records?
What happens to a namenode, when job tracker is down?
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