Which object can be used to get the progress of a particular job
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How namenode handles data node failures?
What are the hadoop configuration files at present?
Why do we need Hadoop?
Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
How does job tracker schedule a job for the task tracker?
Explain how can you debug hadoop code?
Explain what is storage and compute nodes?
Can hadoop handle streaming data?
What is a udf?
Name the most common Input Formats defined in Hadoop? Which one is default?
What is rack awareness in hadoop?
What are the benefits yarn brings in to hadoop?
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