What does hadoop-env.sh do?
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Explain how do you overwrite replication factor?
What is the best practice to deploy the secondary name node?
What daemons run on master nodes?
How to create hadoop archive?
Explain in which directory hadoop is installed?
What is hadoop? Name the main components of a hadoop application?
What are the important features of hadoop?
What are some typical functions of Job Tracker?
Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?
Name the most common Input Formats defined in Hadoop? Which one is default?
What are the features of Fully-Distributed mode?
What is NameNode? How NameNode tackle Datanode failures in Hadoop?
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