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https://issues.apache.org/jira/browse/HADOOP-9567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15211150#comment-15211150
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Gary Helmling commented on HADOOP-9567:
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bq. This seems like a separate issue to me (it wasn't my intention when filing
this). Perhaps such a check should only get added to DN login/re-login code,
cause in the UGI end it'd affect all users (even those who do not desire the
jitter)?
If you'd like to close out this issue, I'm happy to open my own. I didn't mean
to hijack it.
But auto-renew in the background vs. auto-renew in the background with some
jitter do not seem so different to me. I also have a patch that I can post.
> Provide auto-renewal for keytab based logins
> --------------------------------------------
>
> Key: HADOOP-9567
> URL: https://issues.apache.org/jira/browse/HADOOP-9567
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security
> Affects Versions: 2.0.0-alpha
> Reporter: Harsh J
> Assignee: Gary Helmling
> Priority: Minor
>
> We do a renewal for cached tickets (obtained via kinit before using a Hadoop
> application) but we explicitly seem to avoid doing a renewal for keytab based
> logins (done from within the client code) when we could do that as well via a
> similar thread.
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