Can you tell us how many daemon processes run on a hadoop system?
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Explain slot in Hadoop Map-Reduce v1?
What is MapReduce?
Explain what are the basic parameters of a mapper?
Explain what does the conf.setMapper Class do in MapReduce?
what happens when Hadoop spawned 50 tasks for a job and one of the task failed?
Where sorting is done on mapper node or reducer node in MapReduce?
How many numbers of reducers run in Map-Reduce Job?
what job does the conf class do?
Explain the process of spilling in Hadoop MapReduce?
What is a "reducer" in Hadoop?
How many times combiner is called on a mapper node in Hadoop?
What platform and Java version is required to run Hadoop?
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