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Posted to yarn-dev@hadoop.apache.org by "Billie Rinaldi (JIRA)" <ji...@apache.org> on 2018/11/14 17:11:00 UTC

[jira] [Created] (YARN-9021) Service AM support for restoring decommissioned component instances

Billie Rinaldi created YARN-9021:
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             Summary: Service AM support for restoring decommissioned component instances
                 Key: YARN-9021
                 URL: https://issues.apache.org/jira/browse/YARN-9021
             Project: Hadoop YARN
          Issue Type: Improvement
            Reporter: Billie Rinaldi


YARN-8761 added support for decommissioning component instances. This ticket for restoring decommissioned instances, which would involve removing the component instance from the list of decommissioned instances in the service specification and flexing the number of component instances up. Additional work would be needed if we wanted to preserve any component instance state while the component was decommissioned, such as the last host where the instance ran.



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