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What is the relation between MapReduce and Hive?
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Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
Where the mapper's intermediate data will be stored?
How do reducers communicate with each other?
How many InputSplits is made by a Hadoop Framework?
Explain the process of spilling in Hadoop MapReduce?
what is distributed cache in mapreduce framework?
What is Combiner in MapReduce?
What are the steps involved in MapReduce framework?
Does mapreduce programming model provide a way for reducers to communicate with each other? In a mapreduce job can a reducer communicate with another reducer?
How to set the number of reducers?
How many times combiner is called on a mapper node in Hadoop?
What are the fundamental configurations parameters specified in map reduce?
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