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How can we control particular key should go in a specific reducer?
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Which Sorting algorithm is used in Hadoop MapReduce?
In MapReduce, ideally how many mappers should be configured on a slave?
How many Reducers run for a MapReduce job in Hadoop?
what is a sequence file in Hadoop?
Why Hadoop MapReduce?
What are the main components of MapReduce Job?
How many Mappers run for a MapReduce job in Hadoop?
Describe what happens to a mapreduce job from submission to output?
When is it suggested to use a combiner in a MapReduce job?
What is an input reader in reference to mapreduce?
What are mapreduce new and old apis while writing map reduce program?. Explain how it works
Explain how do ‘map’ and ‘reduce’ work?
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