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https://issues.apache.org/jira/browse/YARN-279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13538212#comment-13538212
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Alejandro Abdelnur commented on YARN-279:
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Daryn, apologies, didn't mean to confuse you, 6 months is 'reasonable'
expiration time most countries ask when you enter the country. Reasonable in
this case would be a few hours if not several minutes.
> Generalize RM token management
> ------------------------------
>
> Key: YARN-279
> URL: https://issues.apache.org/jira/browse/YARN-279
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager
> Affects Versions: 3.0.0, 2.0.0-alpha, 0.23.5
> Reporter: Daryn Sharp
>
> Token renewal/cancelation in the RM presents challenges to support arbitrary
> tokens. The RM's CLASSPATH is currently required to have token renewer
> classes and all associated classes for the project's client. The logistics
> of having installs on the RM of all hadoop projects that submit jobs - just
> to support client connections to renew/cancel tokens - are untenable.
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