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Un-Answered Questions { MapReduce }
What is the Hadoop MapReduce API contract for a key and value Class?
Explain the Reducer's Sort phase?
What can be optimum value for Reducer?
When is the reducers are started in a MapReduce job?
What is the input type/format in MapReduce by default?
What is the default value of map and reduce max attempts?
What is the Reducer used for?
What comes in Hadoop 2.0 and MapReduce V2 YARN
Why comparison of types is important for MapReduce?
What is the InputSplit in map reduce ?
what are the basic parameters of a Mapper?
What is a MapReduce Combiner?
Where is Mapper output stored?
what is JobTracker in Hadoop? What are the actions followed by Hadoop?
Is it possible to split 100 lines of input as a single split in MapReduce?
