[jira] [Created] (YARN-8349) Remove YARN registry entries when a service is killed by the RM

["Shane Kumpf (JIRA)" <ji...@apache.org>]

Shane Kumpf created YARN-8349:
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             Summary: Remove YARN registry entries when a service is killed by the RM
                 Key: YARN-8349
                 URL: https://issues.apache.org/jira/browse/YARN-8349
             Project: Hadoop YARN
          Issue Type: Sub-task
          Components: yarn-native-services
    Affects Versions: 3.2.0, 3.1.1
            Reporter: Shane Kumpf


As the title states, when a service is killed by the RM (for exceeding its lifetime for example), the YARN registry entries should be cleaned up.

Without cleanup, DNS can contain multiple hostnames for a single IP address in the case where IPs are reused. This impacts reverse lookups, which breaks services, such as kerberos, that depend on those lookups.



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