Details
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Improvement
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Status: Resolved
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Major
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Resolution: Fixed
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2.1.0-beta
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None
Description
When an AM expires a task attempt it would be nice if it triggered a jstack output via SIGQUIT before killing the task attempt. This would be invaluable for helping users debug their hung tasks, especially if they do not have shell access to the nodes.
Attachments
Attachments
Issue Links
- is blocked by
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YARN-1515 Provide ContainerManagementProtocol#signalContainer processing a batch of signals
- Open
- is related to
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YARN-445 Ability to signal containers
- Open
- relates to
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MAPREDUCE-1119 When tasks fail to report status, show tasks's stack dump before killing
- Closed
- requires
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YARN-445 Ability to signal containers
- Open