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https://issues.apache.org/jira/browse/YARN-4107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14732143#comment-14732143
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Karthik Kambatla commented on YARN-4107:
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If it fails to connect to ZK, the fencing thread should fail and lead to the RM
switching to standby state. If not, doing that is likely a better fix for this
issue. No?
> Both RM becomes Active if all zookeepers can not connect to active RM
> ---------------------------------------------------------------------
>
> Key: YARN-4107
> URL: https://issues.apache.org/jira/browse/YARN-4107
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Xuan Gong
> Assignee: Xuan Gong
> Attachments: YARN-4107.1.patch
>
>
> Steps to reproduce:
> 1) Run small randomwriter applications in background
> 2) rm1 is active and rm2 is standby
> 3) Disconnect all Zks and Active RM
> 4) Check status of both RMs. Both of them are in active state
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