What are the network requirements for hadoop?
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What happens if number of reducers are 0?
What mode(s) can hadoop code be run in?
What do you know about yarn?
What is partitioning?
How to use combiner in hadoop ?
List out some common problems faced by data analyst?
How to restart NameNode or all the daemons in Hadoop?
What are the modes in which Hadoop run?
Can you explain combiner?
Explain is it possible to search for files using wildcards?
Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?
Why aggregation cannot be done in Mapper?
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