What is Disk Balancer in Hadoop?
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What is throughput in Hadoop?
Give examples of some companies that are using Hadoop structure?
Why cloudera is used?
Can you explain rack awareness?
Name the most common input formats defined in hadoop?
Clarify how job tracker schedules an assignment?
What webdav is in hadoop?
Explain how can you debug hadoop code?
What is job tracker role in hadoop?
What is the non dfs used?
How would you restart NameNode?
Why we use intwritable instead of int? Why we use longwritable instead of long?
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