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
Our users often complain about the slowness of smaller ad-hoc jobs.
The overhead to wait for the reducers to start in this case is significant.
It will be good if we can start the reducer sooner in this case.
Attachments
Attachments
Issue Links
- relates to
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MAPREDUCE-1184 mapred.reduce.slowstart.completed.maps is too low by default
- Resolved