What is the jobtracker?
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On what basis Namenode will decide which datanode to write on?
What is MapFile?
What do you understand from Node redundancy and is it exist in hadoop cluster?
how is a file of the size 1 GB uncompressed
Does hadoop always require digital data to process?
What is salary of hadoop developer?
What is nlineoutputformat?
What is 'Key value pair' in HDFS?
What does /var/hadoop/pids do?
Explain the core components of hadoop?
Explain the features of stand alone (local) mode?
What is small file problem in hadoop?