Explain what is the function of mapreduce partitioner?
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What is shuffling and sorting in mapreduce?
What is the data storage component used by Hadoop?
What are mapreduce new and old apis while writing map reduce program?. Explain how it works
What is the job of blend () and repartition () in Map Reduce?
What is the sequence of execution of map, reduce, recordreader, split, combiner, partitioner?
Explain InputSplit in Hadoop MapReduce?
With the help of two examples name the map and reduce function purpose
When is it not recommended to use MapReduce paradigm for large scale data processing?
What is Shuffling and Sorting in a MapReduce?
How to change a number of mappers running on a slave in MapReduce?
Why Mapper runs in heavy weight process and not in a thread in MapReduce?
What is an input reader in reference to mapreduce?
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