Vinod Kumar Vavilapalli created YARN-2836:
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Summary: 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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