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Maysam Yabandeh commented on YARN-713: -------------------------------------- Thanks [~tgraves]. The changes of this patch is more or less the same of the changes applied at MAPREDUCE-4295. The updates were lost during the merge of an outdated patch in YARN-39. I am submitting the patch to get some reviews. > 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: Maysam Yabandeh > Priority: Critical > Attachments: 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. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira