What's the best way to copy files between HDFS clusters?
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Mention what are the data components used by Hadoop?
What is NoSQL?
What happens in a textinputformat?
Do we need to give a password, even if the key is added in ssh?
What do you understand from Node redundancy and is it exist in hadoop cluster?
What are different types of filesystem?
How you can contact your client everyday ?
Explain why do we need hadoop?
Explain the overview of hadoop history breifly?
How many instances of tasktracker run on a hadoop cluster?
How is hadoop different from other data processing tools?
what is meaning Replication factor?