Differentiate Reducer and Combiner in Hadoop MapReduce?
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how Hadoop is different from other data processing tools?
How do ‘map’ and ‘reduce’ work?
How to set mappers and reducers for MapReduce jobs?
Clarify what is shuffling in map reduce?
In MapReduce, ideally how many mappers should be configured on a slave?
What combiners is and when you should use a combiner in a MapReduce Job?
what is storage and compute nodes?
What is the default input type in MapReduce?
what is NameNode in Hadoop?
In Hadoop, which file controls reporting in Hadoop?
Where is the output of Mapper written in Hadoop?
What is mapper in map reduce?
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