What is Safemode in Apache Hadoop?
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What is a spill factor with respect to the ram?
What is partioner in hadoop? Where does it run,mapper or reducer?
What is rack-aware replica placement policy?
How to enable recycle bin in hadoop?
How to come out of the insert mode?
What is the purpose of button groups?
What do sorting do?
What is structured data?
What do you know about nlineoutputformat?
What do masters consist of?
Explain the hadoop configuration files at present?
What happens in a textinputformat?
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