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https://issues.apache.org/jira/browse/YARN-8411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16508503#comment-16508503
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Billie Rinaldi commented on YARN-8411:
--------------------------------------
One way to implement this would be to have the RM perform two operations, a
save followed by a start. In the service framework, save plus start is the same
as a launch operation. Then if the save failed because the service already
existed, the RM could go on to perform the start operation.
> Enable stopped system services to be started during RM start
> ------------------------------------------------------------
>
> Key: YARN-8411
> URL: https://issues.apache.org/jira/browse/YARN-8411
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Billie Rinaldi
> Priority: Major
> Fix For: 3.2.0
>
>
> With YARN-8048, the RM can launch system services using the YARN service
> framework. If the service app is in a stopped state, user intervention is
> required to delete the service so that the RM can launch it again when the RM
> is restarted. It would be an improvement for the RM to be able to start a
> stopped system service.
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