Are job tracker and task trackers present in separate machines?
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Mention how many inputsplits is made by a hadoop framework?
Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?
What does rack awareness mean?
Explain Hadoop streaming?
What are the Features of Hadoop?
How can native libraries be included in yarn jobs?
What is fsck?
What is Mapper? How can we compress Mapper output in Hadoop?
How jobtracker assign tasks to the tasktracker?
How to handle bad records during parsing?
What is active and passive NameNode in Hadoop?
What are configuration files in Hadoop?
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