Where sorting is done on mapper node or reducer node in MapReduce?
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how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?
Where is Mapper output stored?
What is Combiner in MapReduce?
What do you mean by data locality?
What platform and Java version is required to run Hadoop?
What is the difference between Reducer and Combiner in Hadoop MapReduce?
Can there be no Reducer?
how can you debug Hadoop code?
What is the process of changing the split size if there is limited storage space on Commodity Hardware?
What is the key- value pair in Hadoop MapReduce?
What is the difference between Hadoop and RDBMS?
Compare Pig vs Hive vs Hadoop MapReduce?
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