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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2181) Add preemption info to RM Web UI and add logs when preemption occurs
Date Thu, 10 Jul 2014 18:02:07 GMT

     [ https://issues.apache.org/jira/browse/YARN-2181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jian He updated YARN-2181:
--------------------------

    Attachment: YARN-2181.patch

patch looks good overall, removed unused RMAppAttempt#isPreempted method. and did few code
refactor in RMContainerImpl#updatePreemptionMetrics.

> Add preemption info to RM Web UI and add logs when preemption occurs
> --------------------------------------------------------------------
>
>                 Key: YARN-2181
>                 URL: https://issues.apache.org/jira/browse/YARN-2181
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager, webapp
>    Affects Versions: 2.4.0
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>         Attachments: YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, YARN-2181.patch,
YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, YARN-2181.patch,
YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, YARN-2181.patch,
YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, YARN-2181.patch,
application page-1.png, application page.png
>
>
> We need add preemption info to RM web page to make administrator/user get more understanding
about preemption happened on app, etc. 
> And RM logs should have following properties:
> * Logs are retrievable when an application is still running and often flushed.
> * Can distinguish between AM container preemption and task container preemption with
container ID shown.
> * Should be INFO level log.



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