What is the process of changing the split size if there is limited storage space on Commodity Hardware?
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How to create custom key and custom value in MapReduce Job?
Define MapReduce?
how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?
What is MapReduce?
What is the function of mapreduce partitioner?
What do you know about nlineinputformat?
What combiners are and when you should utilize a combiner in a map reduce job?
What is a combiner and where you should use it?
Is it possible to search for files using wildcards?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
Why Mapreduce output written in local disk?
Is there any point of learning mapreduce, then?
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