What platform and Java version is required to run Hadoop?
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How much space will the split occupy in Mapreduce?
What is the role of a MapReduce partitioner?
when do reducers play their role in a mapreduce task?
What is Output Format in MapReduce?
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
What does a 'MapReduce Partitioner' do?
What is the Job interface in MapReduce framework?
How data is spilt in Hadoop?
How can you add the arbitrary key-value pairs in your mapper?
How to submit extra files(jars, static files) for MapReduce job during runtime?
How to get the single file as the output from MapReduce Job?
What is OutputCommitter?
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