How to set the number of reducers?
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How can we control particular key should go in a specific reducer?
Where is Mapper output stored?
What are the disservices of utilizing Apache Spark over Hadoop MapReduce?
How to set mappers and reducers for MapReduce jobs?
What is Distributed Cache in the MapReduce Framework?
Explain the process of spilling in MapReduce?
Explain what is “map” and what is "reducer" in hadoop?
When the reducers are are started in a mapreduce job?
How many numbers of reducers run in Map-Reduce Job?
Whether the output of mapper or output of partitioner written on local disk?
Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
How to write MapReduce Programs?
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