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https://issues.apache.org/jira/browse/YARN-2836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14204289#comment-14204289
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Vinod Kumar Vavilapalli commented on YARN-2836:
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Linking related tickets.
> RM behaviour on token renewal failures is broken
> ------------------------------------------------
>
> Key: YARN-2836
> URL: https://issues.apache.org/jira/browse/YARN-2836
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Vinod Kumar Vavilapalli
> Priority: Blocker
>
> Found this while reviewing YARN-2834.
> We now completely ignore token renewal failures. For things like Timeline
> tokens which are automatically obtained whether the app needs it or not (we
> should fix this to be user driven), we can ignore failures. But for HDFS
> Tokens etc, ignoring failures is bad because it (1) wastes resources as AMs
> will continue and eventually fail (2) app doesn't know what happened it fails
> eventually.
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