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What is the default value of map and reduce max attempts?
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Explain about the basic parameters of mapper and reducer function
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what is "map" and what is "reducer" in Hadoop?
What is SequenceFileInputFormat?
How to overwrite an existing output file during execution of mapreduce jobs?
How to set the number of mappers for a MapReduce job?
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Does mapreduce programming model provide a way for reducers to communicate with each other? In a mapreduce job can a reducer communicate with another reducer?
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What happens when a DataNode fails during the write process?
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