What is a rack?
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Can you define inputsplit in hadoop?
How analysis of Big Data is useful for organizations?
Clarify what is sequence file input format?
What is JPS? Why is it used in Hadoop?
Is nosql follow relational db model?
Explain how can we check whether namenode is working or not?
What are the important features of hadoop?
What are the primary phases of the reducer?
Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?
Explain what happens in text format?
What is Chain Mapper?
What are the differences between hadoop 1 and hadoop 2?
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