What combiners are and when you should utilize a combiner in a map reduce job?
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What happens when a DataNode fails during the write process?
How to set which framework would be used to run mapreduce program?
What is the inputsplit in map reduce software?
What is map/reduce job in hadoop?
What do you mean by data locality?
What are advantages of Spark over MapReduce?
Define Writable data types in Hadoop MapReduce?
In Hadoop, which file controls reporting in Hadoop?
List the network requirements for using Hadoop ?
Can we submit the mapreduce job from slave node?
Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.
What are the various InputFormats in Hadoop?
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