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Define a namenode?
How a task is scheduled by a jobtracker?
What is IdentityMapper?
How many maximum jvm can run on a slave node?
Can we call vms as pseudos?
What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
What is HDFS Federation?
What are different hdfs dfs shell commands to perform copy operation?
Is map like a pointer?
What is cloudera and why it is used?
What are the port numbers of namenode, job tracker and task tracker?
What is difference between regular file system and HDFS?
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