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From "SammiChen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7450) ATS Client should retry on intermittent Kerberos issues.
Date Fri, 02 Mar 2018 02:31:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16383031#comment-16383031

SammiChen commented on YARN-7450:

Hi [~raviprak],  does this still target for 2.9.1?  If not, can we push this out to next
2.9.2 release? 

> ATS Client should retry on intermittent Kerberos issues.
> --------------------------------------------------------
>                 Key: YARN-7450
>                 URL: https://issues.apache.org/jira/browse/YARN-7450
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: ATSv2
>    Affects Versions: 2.7.3
>         Environment: Hadoop-2.7.3
>            Reporter: Ravi Prakash
>            Priority: Major
> We saw a stack trace (posted in the first comment) in the ResourceManager logs for the
TimelineClientImpl not being able to relogin from keytab.
> I'm guessing there was an intermittent issue that failed the kerberos relogin from keytab.
However, I'm assuming this was *not* retried because I only saw one instance of this stack
trace.  I propose that this operation should have been retried.
> It seems, this caused events at the ResourceManager to queue up and eventually stop responding
to even basic {{yarn application -list}} commands.

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