What are the hadoop configuration files at present?
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Who are ‘Data Scientists’?
What is streaming in Hadoop?
How would you restart NameNode?
What are the benefits yarn brings in to hadoop?
Is Namenode machine same as DataNode machine as in terms of hardware in Hadoop?
What are the functionalities of jobtracer?
What is KeyValueTextInputFormat in Hadoop?
Is it possible to have hadoop job output in multiple directories? If yes, how?
What are the side effects of not running a secondary name node?
Explain the usage of Context Object?
Clarify what a task tracker is in hadoop?
What do you mean by the NameNode High Availability in hadoop?
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