How does master slave architecture in the hadoop?
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What is Row Key?
Why is hadoop faster?
How can we look for the namenode in the browser?
Why password is needed in ssh localhost?
What happens to job tracker when namenode is down?
What do you know about nlineoutputformat?
Define a commodity hardware? Does commodity hardware include ram?
What is a secondary namenode?
If a data Node is full how it's identified?
On what basis Namenode will decide which datanode to write on?
How to restart Namenode?
What hadoop does in safe mode?
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