On what basis Namenode will decide which datanode to write on?
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what are Task Tracker and Job Tracker?
How can we check whether namenode is working or not?
Define a job tracker?
What is 'Key value pair' in HDFS?
What is keyvaluetextinputformat?
What does job conf class do?
What are the modes in which Apache Hadoop run?
What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?
How to enable trash/recycle bin in hadoop?
How to change from su to cloudera?
Define a datanode?
what is a datanode?
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