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What are ‘reduces’?
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More MapReduce Interview Questions
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
Which are the methods in the mapper interface?
mapper or reducer?
What is OutputCommitter?
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
What is a Distributed Cache in Hadoop?
What is the difference between HDFS block and input split?
what daemons run on a master node and slave nodes?
How many InputSplits is made by a Hadoop Framework?
Why Mapreduce output written in local disk?
What is the default input type in MapReduce?
What is RecordReader in a Map Reduce?
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