What is the basic difference between traditional RDBMS and Hadoop?
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List of the some best tools that can be useful for data-analysis?
Clarify how job tracker schedules an assignment?
How to add/delete a Node to the existing cluster?
Is it possible to have hadoop job output in multiple directories? If yes, how?
When we send a data to a node, do we allow settling in time, before sending another data to that node?
What does rack awareness algorithm means and why is it utilized as a part of hadoop?
What is heartbeat in hadoop?
Explain what happens in text format?
How is the splitting of file invoked in Hadoop ?
How would you restart NameNode?
What does jps command do in Hadoop?
Ideally what should be replication factor in a Hadoop cluster?
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