How we can take Hadoop out of Safe Mode?
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What problems have you faced when you are working on Hadoop code?
What are different hdfs dfs shell commands to perform copy operation?
Which one is default InputFormat in Hadoop ?
If a data Node is full how it's identified?
Explain the benefits of block transfer?
Mention what are the data components used by Hadoop?
How does a namenode handle the failure of the data nodes?
What are the two main components of ResourceManager?
explain Metadata in Namenode?
Can Hadoop be compared to NOSQL database like Cassandra?
Knox and Hadoop Development Tools?
Can we call vms as pseudos?
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