What are the basic available commands in Hadoop sqoop ?
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Is fs.mapr.working.dir a single directory?
What is safe mode in Hadoop?
How does master slave architecture in the hadoop?
Name the various types of lists supported by bootstrap.
What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?
How does NameNode tackle DataNode failures?
What does /var/hadoop/pids do?
Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?
Explain the use of tasktracker in the hadoop cluster?
what are the steps involved in commissioning adding
Explain how input and output data format of the hadoop framework?
What does ‘jps’ command do?
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