What is the default replication factor and how will you change it?
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What are the side data distribution techniques?
Name the most common input formats defined in hadoop?
What is the most widely recognized info formats characterized in hadoop?
What is the best practice to deploy the secondary name node?
Explain how is data partitioned before it is sent to the reducer if no custom partitioner is defined in hadoop?
Is it possible to provide multiple input to Hadoop? If yes then how can you give multiple directories as input to the Hadoop job?
Does hadoop follows the unix pattern?
Explain how can we check whether namenode is working or not?
What is the key difference between NameNode and DataNode in Hadoop?
What does hadoop-env.sh do?
Can we deploy job tracker other than name node?
Explain the key benefits of using storm for real time processing?
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