When is it not recommended to use MapReduce paradigm for large scale data processing?
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Is reduce-only job possible in Hadoop MapReduce?
What is the default input type in MapReduce?
What is the input type/format in MapReduce by default?
What are the advantages of using mapreduce with hadoop?
what is JobTracker in Hadoop? What are the actions followed by Hadoop?
How data is spilt in Hadoop?
Clarify what is shuffling in map reduce?
Can we rename the output file?
What is LazyOutputFormat in MapReduce?
What is a "reducer" in Hadoop?
Mention Hadoop core components?
What is RecordReader in a Map Reduce?
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