Is there another way to check whether Namenode is working?
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How jobtracker assign tasks to the tasktracker?
What are the features of Fully-Distributed mode?
Ideally what should be the block size in hadoop?
What are the main components in Hadoop Eco-System and what are their functions ?
What happens if number of reducers are 0?
Which scala library is used for functional programming?
How to add/delete a Node to the existing cluster?
Which one is default?
Which database is used in hadoop?
Explain some important features of hadoop?
We have already sql then why nosql?
Can you explain indexing?
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