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https://issues.apache.org/jira/browse/TWILL-101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14144573#comment-14144573
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Andreas Neumann commented on TWILL-101:
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Nice catch. So what is the solution? Renew after 90% of renew-interval? Or N
minutes before?
> HDFS delegation token should be updated before the renewal interval is up
> -------------------------------------------------------------------------
>
> Key: TWILL-101
> URL: https://issues.apache.org/jira/browse/TWILL-101
> Project: Apache Twill
> Issue Type: Bug
> Components: yarn
> Affects Versions: 0.3.0-incubating
> Reporter: Terence Yim
> Assignee: Terence Yim
> Priority: Critical
> Attachments: TWILL-101.patch
>
>
> Currently the HDFS delegation token gets updated every
> dfs.namenode.delegation.token.renew-interval, which the updated credentials
> store is distributed through HDFS. However, the containers cannot read the
> HDFS for update due to token is expired.
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