Explain about the partitioning, shuffle and sort phase
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Explain the input type/format in mapreduce by default?
What do you understand by compute and storage nodes?
In MapReduce Data Flow, when Combiner is called?
In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?
What do you mean by data locality?
How does Mappers run method works?
What is LazyOutputFormat in MapReduce?
Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?
What is shuffling in mapreduce?
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
Can MapReduce program be written in any language other than Java?
What is a distributed cache in mapreduce framework?
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