Explain job scheduling through JobTracker
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mapper or reducer?
How does MapReduce framework view its input internally?
Explain the Reducer's Sort phase?
What are the four basic parameters of a reducer?
Mention what is the next step after mapper or maptask?
What are the identity mapper and reducer in MapReduce?
Where the mapper's intermediate data will be stored?
Describe what happens to a mapreduce job from submission to output?
When the reducers are are started in a mapreduce job?
A number of combiners can be changed or not in MapReduce?
Is it necessary to write a mapreduce job in java?
Which are the methods in the mapper interface?
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