What are the port numbers of job tracker?
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What is the role of the secondary namenode?
What does rack awareness algorithm means?
When and how to create hadoop archive?
what if job tracker machine is down?
What is KeyValueTextInputFormat in Hadoop?
Mention what is rack awareness?
What do you understand by a closure in scala?
Why is checkpointing important in hadoop?
What do you mean by the NameNode High Availability in hadoop?
What is a record reader?
Who are ‘Data Scientists’?
Explain the Single point of Failure in Hadoop?
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