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Rohith Sharma K S commented on YARN-3692:
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ahh.. compilation failure.. pretty bad on myself:-( Thanks Naga for finding it.
For 2.9, I do changes only with REST service so that it can be compatible with branch-2. For
client support let me create a separate JIRA where in compatibility can be discussed and handle
only for trunk.
> Allow REST API to set a user generated message when killing an application
> --------------------------------------------------------------------------
>
> Key: YARN-3692
> URL: https://issues.apache.org/jira/browse/YARN-3692
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Rajat Jain
> Assignee: Rohith Sharma K S
> Attachments: 0001-YARN-3692.patch, 0002-YARN-3692.patch
>
>
> Currently YARN's REST API supports killing an application without setting a diagnostic
message. It would be good to provide that support.
> *Use Case*
> Usually this helps in workflow management in a multi-tenant environment when the workflow
scheduler (or the hadoop admin) wants to kill a job - and let the user know the reason why
the job was killed. Killing the job by setting a diagnostic message is a very good solution
for that. Ideally, we can set the diagnostic message on all such interface:
> yarn kill -applicationId ... -diagnosticMessage "some message added by admin/workflow"
> REST API { 'state': 'KILLED', 'diagnosticMessage': 'some message added by admin/workflow'}
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