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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