Explain how jobtracker schedules a task?
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Clarify what is sequence file input format?
Explain what is speculative execution?
Give a brief overview of Hadoop history?
Explain Data Locality in Hadoop?
What is a udf?
Can you explain rack awareness?
Explain what is webdav in hadoop?
When we send a data to a node, do we allow settling in time, before sending another data to that node?
What are the important modes of hadoop?
How to use combiner in hadoop ?
Can you explain record reader?
What is winutils hadoop?
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