Give me examples of unstructured data?
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Clarify what a task tracker is in hadoop?
What is Rack Awareness? What is its need in Hadoop?
How NameNode tackle Datanode failures in Hadoop?
How to specify more than one path for storage in Hadoop?
What is namenode?
What jobtracker is in hadoop? What are the activities followed by hadoop?
What is difference between secondary namenode, checkpoint namenode & backupnode?
What is CAP Theorem? What aspects does Hadoop support from this theorem?
How to handle bad records during parsing?
What do you understand by a closure in scala?
Explain how can you check whether namenode is working beside using the jps command?
Explain InputSplit in Hadoop?
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