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What is mapreduce algorithm?
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More MapReduce Interview Questions
What is KeyValueTextInputFormat in Hadoop MapReduce?
what are the basic parameters of a Mapper?
What is streaming?
When the reducers are are started in a mapreduce job?
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
How to write a custom partitioner for a Hadoop MapReduce job?
It can be possible that a Job has 0 reducers?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
Detail description of the Reducer phases?
What is the job of blend () and repartition () in Map Reduce?
Explain the Reducer's Sort phase?
When should you use a reducer?
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