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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7495) Improve robustness of the AggregatedLogDeletionService
Date Thu, 30 Nov 2017 18:34:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16273129#comment-16273129
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Jason Lowe commented on YARN-7495:
----------------------------------

Thanks for updating the patch!  The unit test failure is unrelated and tracked by YARN-7589.
 The last checkstyle nit is silly given it is clearly a constant.  I'm surprised the {{final}}
directive wasn't enough to convince it.

+1 for the patch.   Committing this.

> Improve robustness of the AggregatedLogDeletionService
> ------------------------------------------------------
>
>                 Key: YARN-7495
>                 URL: https://issues.apache.org/jira/browse/YARN-7495
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: log-aggregation
>            Reporter: Jonathan Eagles
>            Assignee: Jonathan Eagles
>         Attachments: YARN-7495.001.patch, YARN-7495.002.patch, YARN-7495.003.patch
>
>
> The deletion tasks are scheduled with a TimerTask whose scheduler is a Timer scheduleAtFixedRate.
If an exception occurs in the log deletion task, the Timer scheduler interprets this as a
task cancelation and stops scheduling future deletion tasks.



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