What is MapReduce in Hadoop?
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More MapReduce Interview Questions
What are the primary phases of a Reducer?
What is shuffling in mapreduce?
How to submit extra files(jars, static files) for MapReduce job during runtime?
Explain what is “map” and what is "reducer" in hadoop?
What are the the issues associated with the map and reduce slots based mechanism in mapReduce?
What is a Distributed Cache in Hadoop?
What are the fundamental configurations parameters specified in map reduce?
What is the use of InputFormat in MapReduce process?
What are the four basic parameters of a reducer?
How data is spilt in Hadoop?
What is the purpose of textinputformat?
how can you debug Hadoop code?
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