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https://issues.apache.org/jira/browse/YARN-9768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17022152#comment-17022152
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Manikandan R commented on YARN-9768:
------------------------------------
[~inigoiri]
I ran this test 5 times, but haven't come across this timeout issue. Only 1
time, VM crash had occurred. In addition, I do see lot of
{{java.util.concurrent.ExecutionException: java.lang.ArithmeticException: / by
zero}}
in logs. Seems it is related to YARN-9817 . Should we trigger Jenkins again and
see?
> RM Renew Delegation token thread should timeout and retry
> ---------------------------------------------------------
>
> Key: YARN-9768
> URL: https://issues.apache.org/jira/browse/YARN-9768
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: CR Hota
> Assignee: Manikandan R
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: YARN-9768.001.patch, YARN-9768.002.patch,
> YARN-9768.003.patch, YARN-9768.004.patch, YARN-9768.005.patch,
> YARN-9768.006.patch, YARN-9768.007.patch, YARN-9768.008.patch,
> YARN-9768.009.patch
>
>
> Delegation token renewer thread in RM (DelegationTokenRenewer.java) renews
> HDFS tokens received to check for validity and expiration time.
> This call is made to an underlying HDFS NN or Router Node (which has exact
> APIs as HDFS NN). If one of the nodes is bad and the renew call is stuck the
> thread remains stuck indefinitely. The thread should ideally timeout the
> renewToken and retry from the client's perspective.
>
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