What are the side effects of not running a secondary name node?
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Explain small file problem in hadoop
How do you overwrite replication factor?
What happens in text format?
What is LazyOutputFormat in Hadoop?
What is tasktracker in hadoop?
What is the NameNode port number?
According to IBM, what are the three characteristics of Big Data?
What happens if you don?t override the mapper methods and keep them as it is?
What is namenode?
What is active and passive NameNode in Hadoop?
Hadoop achieves parallelism by dividing the tasks across many nodes, it is possible for a few slow nodes to rate-limit the rest of the program and slow down the program. What mechanism Hadoop provides to combat this?
What is rack awareness in hadoop?
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