What does rack awareness mean?
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Can you explain indexing?
Clarify what a task tracker is in hadoop?
List some use cases where classification machine learning algorithms can be used.
Can I set the number of reducers to zero?
When and how to create hadoop archive?
Explain what is jobtracker in hadoop? What are the actions followed by hadoop?
What is TaskTracker?
What is fsck?
What is Small File Problem in Hadoop? How can it be resolved?
Which modes can Hadoop be run in? List a few features for each mode?
Explain Data Locality in Hadoop?
What is the purpose of RecordReader in hadoop?
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