Explain use cases where SequenceFile class can be a good fit?
when hadoop enter in safe mode?
Explain InputFormat?
What are the main components of a Hadoop Application?
How does a namenode handle the failure of the data nodes?
Which data storage components are used by hadoop?
Can we call vms as pseudos?
How a task is scheduled by a jobtracker?
Define tasktracker.
Can hive run without hadoop?
What is the jobtracker?
Explain the features of stand alone (local) mode?
What are the functionalities of jobtracker?