What are the functionalities of jobtracer?
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What mode(s) can hadoop code be run in?
Why use hadoop?
What is the use of recordreader in hadoop?
Why can we not create directory /user/dataflair/inpdata001 when name node is in safe mode?
What do you understand by unit and ()in scala?
What is the non dfs used?
What are the differences between hadoop 1 and hadoop 2?
Clarify what is sqoop in hadoop?
what happens when namenode goes down during file read operation in hadoop?
What is winutils hadoop?
Name the operating system(s) which are supported for production hadoop deployment?
What are the benefits yarn brings in to hadoop?
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