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https://issues.apache.org/jira/browse/YARN-8018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16401312#comment-16401312
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Billie Rinaldi commented on YARN-8018:
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I agree, it makes sense for the AM to write the service definition during flex.
I guess the only thing to look into would be whether we are currently
supporting flex while the service is stopped. In that case, we might want to
allow the client to persist the service definition if the service is stopped,
but not if the AM is running.
> Yarn service: Add support for initiating service upgrade
> --------------------------------------------------------
>
> Key: YARN-8018
> URL: https://issues.apache.org/jira/browse/YARN-8018
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Chandni Singh
> Assignee: Chandni Singh
> Priority: Major
> Attachments: YARN-8018.wip.patch
>
>
> Add support for initiating service upgrade which includes the following main
> changes:
> # Service API to initiate upgrade
> # Persist service version on hdfs
> # Start the upgraded version of service
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