What is the purpose of context object?
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Explain what happens in text format?
What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?
What happens if the number of reducers is 0 in Hadoop?
Clarify what a task tracker is in hadoop?
What is High Availability feature in Hadoop2?
What is winutils hadoop?
What is Rack Awareness? What is its need in Hadoop?
What are the most common InputFormats in Hadoop?
What is Disk Balancer in Hadoop?
What is meant by streaming access?
Why do we need Hadoop Archives? How is it created?
What is the difference between namenode and datanode in hadoop?
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