Details
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Improvement
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Status: Open
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Major
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Resolution: Unresolved
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None
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None
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Description
Some jobs would benefit from statistics about the key distribution of intermediate data, including sampling for jobs implementing a total-order in the job. These data can inform a policy for handling skew.
Attachments
Issue Links
- is part of
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MAPREDUCE-4584 Umbrella: Preemption and restart of MapReduce tasks
- Open