How is hadoop different from other data processing tools?
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What is a checkpoint?
Explain the difference between NameNode
Define tasktracker.
What are the core components of Apache Hadoop?
How to write a Custom Key Class?
Explain the master class and the output class do?
Define a datanode?
What does job conf class do?
What do you know about keyvaluetextinputformat?
What exactly is hadoop?
Explain the core components of hadoop?
What is keyvaluetextinputformat?
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