Define a sequence file in hadoop?
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What is LazyOutputFormat in Hadoop?
What is KeyValueTextInputFormat in Hadoop?
What are the limitations of Hadoop?
Explain Hadoop Archives?
How can we create a hadoop cluster from scratch?
Are there any special requirements for namenode?
Why does one remove or add nodes in a Hadoop cluster frequently?
What is job tracker role in hadoop?
What are the modes in which Hadoop run?
Mention what daemons run on a master node and slave nodes?
What does the high availability of a name-node means? How is it accomplished?
Explain the usage of Context Object?
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