What is the purpose of RecordReader in hadoop?
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What are the features of Pseudo mode?
What is NameNode? How NameNode tackle Datanode failures in Hadoop?
Explain the key benefits of using storm for real time processing?
Can you define inputsplit in hadoop?
Which directory does hadoop install to?
Mention what are the three modes in which hadoop can be run?
How will you write a custom partitioner for a Hadoop job?
What is configured in /etc/hosts and what is its role in setting Hadoop cluster?
What is namenode?
What are the differences between hadoop 1 and hadoop 2?
How to restart NameNode or all the daemons in Hadoop?
What do you mean by the NameNode High Availability in hadoop?
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