Explain how do “reducers” communicate with each other?
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List the five important v’s of big data.
Define role of volume in big data?
Define role of value in big data?
Explain the core methods of a reducer?
Define oozie?
List few components that are using big data?
Why big data use?
Explain the responsibilities of a data analyst?
Explain how do “reducers” communicate with each other?
List the common input formats used in hadoop.
What are the essential hooping tools that improve performance? Big data?
What are the three characteristics of big data according to ibm?