Command to format the NameNode?
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Is client the end user in HDFS?
Define fault tolerance?
What is HDFS Federation?
Which command is used for the retrieval of the status of daemons running the hadoop cluster?
What is salary of hadoop developer?
Explain how input and output data format of the hadoop framework?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
Is secondary namenode a substitute to the namenode?
What is InputSplit and RecordReader?
What is Rack awareness?
what are Task Tracker and Job Tracker?
Define a combiner?
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