What is the next step after Mapper or MapTask?
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what is Speculative Execution?
In Hadoop what is InputSplit?
Which are the methods in the mapper interface?
How does inputsplit in mapreduce determines the record boundaries correctly?
How to set mappers and reducers for MapReduce jobs?
Differentiate Reducer and Combiner in Hadoop MapReduce?
In MapReduce how to change the name of the output file from part-r-00000?
What is partitioning in MapReduce?
Define speculative execution?
How data is spilt in Hadoop?
What is the sequence of execution of map, reduce, recordreader, split, combiner, partitioner?
What is Reduce only jobs?
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