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How hadoop mapreduce works?
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Where is Mapper output stored?
What do you understand by compute and storage nodes?
What is a "map" in Hadoop?
What is the default value of map and reduce max attempts?
Can we set the number of reducers to zero in MapReduce?
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?
List out Hadoop's three configuration files?
How does inputsplit in mapreduce determines the record boundaries correctly?
MapReduce Types and Formats and Setting up a Hadoop Cluster?
What are the data components used by Hadoop?
how JobTracker schedules a task ?
What is the need of MapReduce?
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