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https://issues.apache.org/jira/browse/YARN-5685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15784191#comment-15784191
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Karthik Kambatla commented on YARN-5685:
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On YARN-5709, Jian made the point that it is unlikely we will add a
non-embedded leader elector, and we could always add a config then.
I am fine with removing the config for embedded.
> Non-embedded HA failover is broken
> ----------------------------------
>
> Key: YARN-5685
> URL: https://issues.apache.org/jira/browse/YARN-5685
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.9.0, 3.0.0-alpha1
> Reporter: Daniel Templeton
> Assignee: Daniel Templeton
> Priority: Critical
> Labels: oct16-hard
> Attachments: YARN-5685.001.patch, YARN-5685.002.patch
>
>
> If HA is enabled with automatic failover enabled and embedded failover
> disabled, all RMs all come up in standby state. To make one of them active,
> the {{--forcemanual}} flag must be used when manually triggering the state
> change. Should the active go down, the standby will not become active and
> must be manually transitioned with the {{--forcemanual}} flag.
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