Can you explain combiner?
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What did mean by data-node?
In which directory hadoop is installed?
How job tracker schedules an assignment?
Can you explain record reader?
What are the functionalities of jobtracer?
What does rack awareness mean?
How can one check whether NameNode is working or not?
How many daemon processes run on a hadoop cluster?
What is partitioning?
Explain what happens in text format?
What the information segments utilized by hadoop are?
What is the role of the namenode?
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