Mention what are the main configuration parameters that user need to specify to run mapreduce job?
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What happens when the node running the map task fails before the map output has been sent to the reducer?
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
What is Distributed Cache in the MapReduce Framework?
What is OutputCommitter?
What is partitioner and its usage?
what happens in textinformat ?
How is mapreduce related to cloud computing?
What are the data components used by Hadoop?
Why Mapreduce output written in local disk?
What does a split do?
What happens when a datanode fails ?
What happens when a DataNode fails during the write process?
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