How the HDFS Blocks are replicated?
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What are the default configuration files that are used in hadoop?
Explain use cases where SequenceFile class can be a good fit?
On What concept the Hadoop framework works?
Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?
Explain a simple Map/Reduce problem.
How do you categorize a big data?
Can the balancer be run while Hadoop is in use?
Can NameNode and DataNode be a commodity hardware?
What is Hadoop Custom partitioner ?
What is hadoop framework?
What is the relation between job and task in hadoop?
What do the master class and the output class do?
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