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what are the basic parameters of a Mapper?
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What is MapReduce?
What is streaming?
What is shuffling and sorting in mapreduce?
Define Writable data types in Hadoop MapReduce?
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
Explain slot in Hadoop Map-Reduce v1?
mapper or reducer?
What is reduce side join in mapreduce?
If reducers do not start before all mappers finish then why does the progress on mapreduce job shows something like map(50%) reduce(10%)? Why reducers progress percentage is displayed when mapper is not finished yet?
What do you understand by mapreduce?
What is a RecordReader in Hadoop MapReduce?
Is it possible to rename the output file?
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