Explain the Reducer's Sort phase?
What is the function of mapreducer partitioner?
what is Speculative Execution?
In MapReduce, ideally how many mappers should be configured on a slave?
What are the four essential parameters of a mapper?
What is Text Input Format?
What can be optimum value for Reducer?
when do reducers play their role in a mapreduce task?
How does fault tolerance work in mapreduce?
Define MapReduce?
What is MapReduce in Hadoop?
What do you mean by inputformat?
Explain what is “map” and what is "reducer" in hadoop?