How to set the number of mappers for a MapReduce job?
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How do you stop a running job gracefully?
What is the fundamental difference between a MapReduce InputSplit and HDFS block?
How to change the name of the output file from part-r-00000 in Hadoop MapReduce?
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
What combiners are and when you should utilize a combiner in a map reduce job?
Explain the process of spilling in Hadoop MapReduce?
How to sort intermediate output based on values in MapReduce?
what is "map" and what is "reducer" in Hadoop?
What does a 'MapReduce Partitioner' do?
How does fault tolerance work in mapreduce?
Is it important for Hadoop MapReduce jobs to be written in Java?
What is a scarce system resource?