What happens in text format?
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What daemons run on master nodes?
What happen if one of the datanodes has much slower cpu?
What are the important features of hadoop?
Is hadoop still in demand?
What type of data hadoop can handle ?
What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?
Clarify what is sequence file input format?
How to create the directory when name node is in safe mode?
How many InputSplits will be made by hadoop framework?
Clarify what a task tracker is in hadoop?
What are input format, input split & record reader and what they do?
Is there another way to check whether Namenode is working?
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