What is Rack Awareness? What is its need in Hadoop?
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What is replication factor?
What are the features of Fully-Distributed mode?
What is the problem with small files in Hadoop?
Is there another way to check whether Namenode is working?
What are the differences between hadoop 1 and hadoop 2?
What are the core components of Hadoop?
Explain what is webdav in hadoop?
Explain some important features of hadoop?
Whats the default port that jobtrackers listens ?
Can you give some examples of Big Data?
How to use combiner in hadoop ?
Why we use intwritable instead of int? Why we use longwritable instead of long?
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