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How do ‘map’ and ‘reduce’ work?
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Explain slot in Hadoop Map-Reduce v1?
What are the data components used by Hadoop?
What are ‘reduces’?
Does Partitioner run in its own JVM or shares with another process?
what is Speculative Execution?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
Clarify what is shuffling in map reduce?
When is it not recommended to use MapReduce paradigm for large
What is the Reducer used for?
Does mapreduce programming model provide a way for reducers to communicate with each other? In a mapreduce job can a reducer communicate with another reducer?
What is the difference between a MapReduce InputSplit and HDFS block?
What is LazyOutputFormat in MapReduce?
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