What is a distributed cache in mapreduce framework?
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What is the need of MapReduce in Hadoop?
Different ways of debugging a job in MapReduce?
How to set the number of mappers to be created in MapReduce?
what is "map" and what is "reducer" in Hadoop?
Where is the output of Mapper written in Hadoop?
What combiners is and when you should use a combiner in a MapReduce Job?
When is it not recommended to use MapReduce paradigm for large
How to set the number of reducers?
How to specify more than one directory as input in the Hadoop MapReduce Program?
How many Reducers run for a MapReduce job in Hadoop?
What is Shuffling and Sorting in a MapReduce?
What is the input type/format in MapReduce by default?
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