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From "Eric Payne (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5889) Improve user-limit calculation in capacity scheduler
Date Sat, 04 Feb 2017 16:37:52 GMT

    [ https://issues.apache.org/jira/browse/YARN-5889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15852845#comment-15852845
] 

Eric Payne commented on YARN-5889:
----------------------------------

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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