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https://issues.apache.org/jira/browse/YARN-1776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13942001#comment-13942001
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Karthik Kambatla commented on YARN-1776:
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RM failover doesn't rely on FSRMStateStore. In theory, it is possible to use
FSRMStateStore with RM failover, but we do not support fencing yet. I am okay
with punting this fix in FSRMStateStore to another JIRA?
> renewDelegationToken should survive RM failover
> -----------------------------------------------
>
> Key: YARN-1776
> URL: https://issues.apache.org/jira/browse/YARN-1776
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Zhijie Shen
> Assignee: Zhijie Shen
> Attachments: YARN-1776.1.patch
>
>
> When a delegation token is renewed, two RMStateStore operations: 1) removing
> the old DT, and 2) storing the new DT will happen. If RM fails in between.
> There would be problem.
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