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https://issues.apache.org/jira/browse/YARN-5889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15852845#comment-15852845
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Eric Payne commented on YARN-5889:
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bq. resources are not recorded for that user about half the time.resources are
not recorded for that user about half the time.
Another symptom is that the app never completes. It stays hung in the RUNNING
state. The app attempts that failed are re-tried, but they stay in the
'STARTING NEW' state.
> Improve user-limit calculation in capacity scheduler
> ----------------------------------------------------
>
> Key: YARN-5889
> URL: https://issues.apache.org/jira/browse/YARN-5889
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacity scheduler
> Reporter: Sunil G
> Assignee: Sunil G
> Attachments: YARN-5889.0001.patch,
> YARN-5889.0001.suggested.patchnotes, YARN-5889.0002.patch,
> YARN-5889.0003.patch, YARN-5889.0004.patch, YARN-5889.0005.patch,
> YARN-5889.0006.patch, YARN-5889.0007.patch, YARN-5889.0008.patch,
> YARN-5889.0009.patch, YARN-5889.0010.patch, YARN-5889.v0.patch,
> YARN-5889.v1.patch, YARN-5889.v2.patch
>
>
> Currently user-limit is computed during every heartbeat allocation cycle with
> a write lock. To improve performance, this tickets is focussing on moving
> user-limit calculation out of heartbeat allocation flow.
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