What is a Distributed Cache in Hadoop?
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Where is Mapper output stored?
what is NameNode in Hadoop?
How to submit extra files(jars, static files) for MapReduce job during runtime?
What are the advantages of using map side join in mapreduce?
What is the use of InputFormat in MapReduce process?
What are mapreduce new and old apis while writing map reduce program?. Explain how it works
What is partitioner and its usage?
Explain the process of spilling in MapReduce?
When Namenode is down what happens to job tracker?
Is reduce-only job possible in Hadoop MapReduce?
What do you understand by mapreduce?
Why Mapreduce output written in local disk?
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