What are the Features of Hadoop?
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Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?
What is the key difference between NameNode and DataNode in Hadoop?
Where are Hadoop’s configuration files located?
Why we use intwritable instead of int? Why we use longwritable instead of long?
What is replication factor?
Can we change the file cached by distributed cache
What are the side data distribution techniques?
What is Federation?
Can you explain combiner?
What is Chain Mapper?
Explain what is webdav in hadoop?
What is the relationship between Jobs and Tasks in Hadoop?
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