Explain how is data partitioned before it is sent to the reducer if no custom partitioner is defined in hadoop?
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Explain InputSplit in Hadoop?
Can you explain textinformat?
what if job tracker machine is down?
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Compare Hadoop 2 and Hadoop 3?
How can you native libraries be included in yarn jobs?
If the hadoop administrator needs to make a change, which configuration file does he need to change?
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Explain what is a sequence file in hadoop?
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Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
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