Who is a 'user' in HDFS?
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What is yarn in hadoop?
What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?
Does google use hadoop?
On what basis data will be stored on a rack?
How is security achieved in Apache Hadoop?
What are watches?
Name the various types of lists supported by bootstrap.
Explain why do we need hadoop?
What is IdentityMapper?
What are the site-specific configuration files in Hadoop?
Knox and Hadoop Development Tools?
Explain the difference between gen1 and gen2 hadoop with regards to the namenode?
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