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https://issues.apache.org/jira/browse/YARN-8411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16510593#comment-16510593
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Rohith Sharma K S commented on YARN-8411:
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thanks [~billie.rinaldi] for the patch. It looks good to me as well.
I have one generic doubt on start operations, does service start identifies if
service is already running? Because in system services services are long
running and in case of RM restart or HA switch, by default we are going to
start services.
> 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
> Assignee: Billie Rinaldi
> Priority: Critical
> Attachments: YARN-8411.01.patch, YARN-8411.02.patch
>
>
> 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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