Compare Hadoop 2 and Hadoop 3?
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What are some typical functions of job tracker in hadoop?
What is Chain Mapper?
Can you explain textinformat?
Which object can be used to get the progress of a particular job
Explain how can you debug hadoop code?
What are the modes in which Hadoop run?
What are the core methods of a Reducer?
What is the purpose of context object?
Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?
What is KeyValueTextInputFormat in Hadoop?
What does jps command do in Hadoop?
What is JPS? Why is it used in Hadoop?
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