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https://issues.apache.org/jira/browse/YARN-1776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jian He updated YARN-1776:
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Attachment: YARN-1776.6.patch
Minor modification on the patch, changed the log message in unusual case to
info level
> 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, YARN-1776.2.patch, YARN-1776.3.patch,
> YARN-1776.4.patch, YARN-1776.5.patch, YARN-1776.6.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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