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What are the main configuration parameters in a MapReduce program?
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What is Reduce only jobs?
how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?
Is there any point of learning mapreduce, then?
List the configuration parameters that have to be specified when running a MapReduce job.
What is the default value of map and reduce max attempts?
Explain the input type/format in mapreduce by default?
What is Data Locality in Hadoop?
What is the next step after Mapper or MapTask?
When should you use a reducer?
What are the various input and output types supported by mapreduce?
Different ways of debugging a job in MapReduce?
What is MapReduce?
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