What do you know about yarn?
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Does hadoop follows the unix pattern?
How is the splitting of file invoked in Hadoop ?
What are the most common OutputFormat in Hadoop?
What are input format, input split & record reader and what they do?
Can you give a detailed overview about the Big Data being generated by Facebook?
What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
What are the Hadoop features extended to its eco-system components ?
Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?
What the information segments utilized by hadoop are?
How many InputSplits will be made by hadoop framework?
Define a udf?
What is job tracker in Hadoop?
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