What is distributed copy (distcp)?
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Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
What are the Features of Hadoop?
What is streaming in Hadoop?
Can you define a checkpoint?
Did you ever ran into a lop sided job that resulted in out of memory error, if yes then how did you handled it ?
What kind of hardware is best for hadoop?
Mention what is distributed cache in hadoop?
What is purpose of RecordWriter in Hadoop?
How to create hadoop archive?
Comparison between Secondary NameNode and Checkpoint Node in Hadoop?
Can we change the file cached by distributed cache
Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?
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