What is a Task instance in Hadoop? Where does it run?1
What is cloudera and why it is used?
What is the purpose of button groups?
Explain what happens in textinformat ?
Main Components of Hadoop?
what is the typical block size of an HDFS block?
What is a block and block scanner in HDFS?
What do masters consist of?
How do you categorize a big data?
What is nlineoutputformat?
Does Hadoop requires RAID?
what is SPF?
Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?