If DataNode increases, then do we need to upgrade NameNode?
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How can you set an arbitrary number of Reducers to be created for a job in Hadoop?
Can hadoop handle streaming data?
What is job tracker role in hadoop?
After the Map phase finishes, the Hadoop framework does 'Partitioning, Shuffle and sort'. Explain what happens in this phase?
Can you explain rack awareness?
Can you explain logistic regression?
List out the some common problems faced by data analyst?
In which directory hadoop is installed?
Is nosql follow relational db model?
What are the tools used in big data?
Which operating system(s) are supported for production hadoop deployment?
What is Federation?
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