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What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
444Post New Hadoop General Questions
Have you ever used counters in hadoop?
What are the side data distribution techniques?
is there a standard procedure to deploy hadoop?
What do you understand by a closure in scala?
Explain edge nodes in hadoop?
What does rack awareness algorithm means and why is it utilized as a part of hadoop?
What did mean by data-node?
If no custom partitioner is defined in Hadoop then how is data partitioned before it is sent to the reducer?
Explain what is jobtracker in hadoop? What are the actions followed by hadoop?
What is Mapper? How can we compress Mapper output in Hadoop?
What are the side effects of not running a secondary name node?
Explain what is hadoop?
What is the best practice to deploy the secondary name node?
How to add/delete a Node to the existing cluster?
what if job tracker machine is down?
