How do you stop a running job gracefully?
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What is MapReduce in Hadoop?
Explain about the partitioning, shuffle and sort phase in MapReduce?
What are the benefits of Spark over MapReduce?
How does inputsplit in mapreduce determines the record boundaries correctly?
Explain how mapreduce works.
What are ‘reduces’?
How to write a custom partitioner for a Hadoop MapReduce job?
What is the key- value pair in MapReduce?
How much space will the split occupy in Mapreduce?
What do you understand by compute and storage nodes?
Where the mapper's intermediate data will be stored?
how to proceed to write your first mapreducer program?
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