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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5798) Handle FSPreemptionThread crashing due to a RuntimeException
Date Fri, 06 Jan 2017 01:06:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-5798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15803084#comment-15803084
] 

Yufei Gu commented on YARN-5798:
--------------------------------

Thanks [~kasha] for the review. I created YARN-6061 to create a customized UncaughtExceptionHandler.


> Handle FSPreemptionThread crashing due to a RuntimeException
> ------------------------------------------------------------
>
>                 Key: YARN-5798
>                 URL: https://issues.apache.org/jira/browse/YARN-5798
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: fairscheduler
>    Affects Versions: 2.9.0
>            Reporter: Karthik Kambatla
>            Assignee: Yufei Gu
>         Attachments: YARN-5798.001.patch
>
>
> YARN-5605 added an FSPreemptionThread. The run() method catches InterruptedException.
If this were to run into a RuntimeException, the preemption thread would crash. We should
probably fail the RM itself (or transition to standby) when this happens. 



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