Developing a MapReduce Application?
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What combiners are and when you should utilize a combiner in a map reduce job?
When the reducers are are started in a mapreduce job?
In Hadoop what is InputSplit?
What is the process of changing the split size if there is limited storage space on Commodity Hardware?
What MapReduce framework consists of?
What is the role of recordreader in hadoop mapreduce?
Explain about the partitioning, shuffle and sort phase
Where is Mapper output stored?
List the network requirements for using Hadoop ?
What is RecordReader in a Map Reduce?
What do you mean by data locality?
Clarify what is shuffling in map reduce?
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