Which one is default InputFormat in Hadoop ?
What are the different types of Znodes?
What is speculative execution in Hadoop?
How do you define "block" in HDFS?
How many instances of JobTracker can run on a Hadoop Cluser?
Which files are used by the startup and shutdown commands?
Command to format the NameNode?
What is Hadoop serialization?
What are watches?
What is a checkpoint?
What is commodity hardware?
Explain the hadoop-core configuration?
What are the benefits of block transfer?
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