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What is Hadoop Map Reduce ?
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What do you mean by inputformat?
If reducers do not start before all mappers finish then why does the progress on mapreduce job shows something like map(50%) reduce(10%)? Why reducers progress percentage is displayed when mapper is not finished yet?
How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?
What are the various InputFormats in Hadoop?
How to set the number of mappers to be created in MapReduce?
Can you tell us how many daemon processes run on a hadoop system?
What is LazyOutputFormat in MapReduce?
What is a "reducer" in Hadoop?
What do you understand by compute and storage nodes?
In Hadoop what is InputSplit?
Can we rename the output file?
Explain the process of spilling in MapReduce?
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