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What is SequenceFileInputFormat?
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What is the need of key-value pair to process the data in MapReduce?
Explain what does the conf.setMapper Class do in MapReduce?
what does the text input format do?
What is the difference between a MapReduce InputSplit and HDFS block?
What happens when the node running the map task fails before the map output has been sent to the reducer?
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what is storage and compute nodes?
In MapReduce, ideally how many mappers should be configured on a slave?
Define MapReduce?
What are the four basic parameters of a reducer?
How many Mappers run for a MapReduce job in Hadoop?
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