what are the most common input formats defined in Hadoop?
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What is shuffling and sorting in mapreduce?
Explain how do ‘map’ and ‘reduce’ work?
What are the various InputFormats in Hadoop?
When is it not recommended to use MapReduce paradigm for large scale data processing?
In Hadoop what is InputSplit?
What can be optimum value for Reducer?
With the help of two examples name the map and reduce function purpose
What happens when a DataNode fails during the write process?
How many numbers of reducers run in Map-Reduce Job?
Explain what is “map” and what is "reducer" in hadoop?
What is a "reducer" in Hadoop?
what does the conf.setMapper Class do ?
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