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Posted to yarn-issues@hadoop.apache.org by "Omkar Vinit Joshi (JIRA)" <ji...@apache.org> on 2013/11/13 01:58:20 UTC

[jira] [Updated] (YARN-713) ResourceManager can exit unexpectedly if DNS is unavailable

     [ https://issues.apache.org/jira/browse/YARN-713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Omkar Vinit Joshi updated YARN-713:
-----------------------------------

    Attachment: YARN-713.1.patch

> ResourceManager can exit unexpectedly if DNS is unavailable
> -----------------------------------------------------------
>
>                 Key: YARN-713
>                 URL: https://issues.apache.org/jira/browse/YARN-713
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.1.0-beta
>            Reporter: Jason Lowe
>            Assignee: Omkar Vinit Joshi
>            Priority: Critical
>             Fix For: 2.3.0
>
>         Attachments: YARN-713.09052013.1.patch, YARN-713.09062013.1.patch, YARN-713.1.patch, YARN-713.20130910.1.patch, YARN-713.patch, YARN-713.patch, YARN-713.patch, YARN-713.patch
>
>
> As discussed in MAPREDUCE-5261, there's a possibility that a DNS outage could lead to an unhandled exception in the ResourceManager's AsyncDispatcher, and that ultimately would cause the RM to exit.  The RM should not exit during DNS hiccups.



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