What is structured and unstructured data?
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What is rack awareness in hadoop?
Which object can be used to get the progress of a particular job
What happens if number of reducers are 0?
List some use cases where classification machine learning algorithms can be used.
If DataNode increases, then do we need to upgrade NameNode?
What is replication factor?
What are the differences between hadoop 1 and hadoop 2?
Explain the core methods of the reducer?
What are the Features of Hadoop?
What is Reducer in Hadoop?
Can you explain speculative execution?
How can you set an arbitrary number of Reducers to be created for a job in Hadoop?
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