how can you debug Hadoop code?
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Explain the process of spilling in MapReduce?
What is LazyOutputFormat in MapReduce?
A number of combiners can be changed or not in MapReduce?
How is reporting controlled in hadoop?
What is Output Format in MapReduce?
What is Reducer in MapReduce?
how Hadoop is different from other data processing tools?
What is Mapper in Hadoop MapReduce?
When should you use sequencefileinputformat?
What MapReduce framework consists of?
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
What is the data storage component used by Hadoop?