Mention what does the text input format do?
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Is it possible to have hadoop job output in multiple directories? If yes, how?
What is the difference between a hadoop database and relational database?
What do you mean by the NameNode High Availability in hadoop?
Explain what is hadoop?
What do you understand by unit and ()in scala?
What is namenode?
Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?
How analysis of Big Data is useful for organizations?
How many datanodes can run on a single Hadoop cluster?
What are the Hadoop features extended to its eco-system components ?
How Hadoop is cost-effective?
Can we deploye job tracker other than name node?
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