How would you restart NameNode?
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What does the file hadoop-metrics.properties do?
Explain what is a task tracker in hadoop?
What jobtracker is in hadoop? What are the activities followed by hadoop?
Which scala library is used for functional programming?
How can one write custom record reader?
How does hadoop achieve fault tolerance?
What are some typical functions of job tracker in hadoop?
What is the basic difference between traditional RDBMS and Hadoop?
Can you explain logistic regression?
Define a udf?
Explain the core methods of the reducer?
Why do the nodes are removed and added frequently in a hadoop cluster?
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