What is hadoop? Name the main components of a hadoop application?
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What is the non dfs used?
How analysis of Big Data is useful for organizations?
How job tracker schedules an assignment?
How to add/delete a Node to the existing cluster?
What is the use of recordreader in hadoop?
Compare Hadoop and RDBMS?
Which modes can Hadoop be run in? List a few features for each mode?
What are the parameters of mappers and reducers?
Why do the nodes are removed and added frequently in a hadoop cluster?
Specify what the information segments utilized by hadoop are?
Compare Hadoop 2 and Hadoop 3?
What is the problem with small files in Hadoop?
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