What platform and Java version is required to run Hadoop?
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More MapReduce Interview Questions
What are ‘maps’ and ‘reduces’?
What is the difference between Reducer and Combiner in Hadoop MapReduce?
Define Writable data types in MapReduce?
Where sorting is done on mapper node or reducer node in MapReduce?
Define MapReduce?
A number of combiners can be changed or not in MapReduce?
How hadoop mapreduce works?
With the help of two examples name the map and reduce function purpose
Is YARN a replacement of Hadoop MapReduce?
What are ‘reduces’?
Explain Working of MapReduce?
How to set the number of reducers?
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