How to do ‘map’ and ‘reduce’ works?
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What is streaming access?
Who are ‘Data Scientists’?
Is it possible to have hadoop job output in multiple directories?
How to add/delete a Node to the existing cluster?
What happens when two clients try to access the same file in the hdfs?
What did mean by data-node?
What are the core methods of a Reducer?
Mention what is the data storage component used by hadoop?
What is the logistic regression?
What does the mapred.job.tracker command do?
What does block mean?
Which object can be used to get the progress of a particular job
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