Jason Lowe created YARN-713:
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Summary: 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: 2.0.5-beta
Reporter: Jason Lowe
Priority: Critical
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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