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Posted to yarn-issues@hadoop.apache.org by "Omkar Vinit Joshi (JIRA)" <ji...@apache.org> on 2013/08/01 20:23:59 UTC
[jira] [Commented] (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:comment-tabpanel&focusedCommentId=13726705#comment-13726705 ]
Omkar Vinit Joshi commented on YARN-713:
----------------------------------------
Creating patch on top of YARN-957
> 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: 2.1.0-beta
>
> Attachments: 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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