How does fault tolerance work in mapreduce?
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How can we control particular key should go in a specific reducer?
Where the mapper's intermediate data will be stored?
What is the input type/format in MapReduce by default?
Developing a MapReduce Application?
How do reducers communicate with each other?
Is it possible to rename the output file?
Explain what does the conf.setmapper class do?
What is the role of recordreader in hadoop mapreduce?
What is a "reducer" in Hadoop?
what happens in textinformat ?
Is it possible to search for files using wildcards?
What happens when a DataNode fails during the write process?
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