Whether the output of mapper or output of partitioner written on local disk?
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Name job control options specified by mapreduce.
What happen if the number of the reducer is 0 in MapReduce?
What is a combiner and where you should use it?
What is reduce side join in mapreduce?
What is shuffleing in mapreduce?
How to compress mapper output in Hadoop?
Illustrate a simple example of the working of MapReduce.
How many Mappers run for a MapReduce job in Hadoop?
What is the difference between RDBMS with Hadoop MapReduce?
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
Mention what is the hadoop mapreduce apis contract for a key and value class?
what is WebDAV in Hadoop?
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