What is the command to change the replication factor ?
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is there a standard procedure to deploy hadoop?
Is it possible to have hadoop job output in multiple directories?
What is LazyOutputFormat in Hadoop?
What are the modes in which Hadoop run?
Tell me some major benefits of Hadoop?
Why do we need Hadoop Archives? How is it created?
Name the most common Input Formats defined in Hadoop? Which one is default?
What sorts of actions does the job tracker process perform?
Why does one remove or add nodes in a Hadoop cluster frequently?
What happen if number of reducer is set to 0 in Hadoop?
Explain some important features of hadoop?
Can hadoop replace relational database?
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