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https://issues.apache.org/jira/browse/YARN-5685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15530963#comment-15530963
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Daniel Templeton commented on YARN-5685:
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BTW, the bug introduced by YARN-4559 (that I had in the original description)
would break non-embedded failover if it worked, but since it doesn't, it's
kinda harmless. Still wrong, though.
> 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
>
> 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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