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https://issues.apache.org/jira/browse/TWILL-227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Terence Yim resolved TWILL-227.
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Resolution: Fixed
> Possible leakage of FileSystem object when YarnUtils.addDelegationTokens is
> called with different user
> ------------------------------------------------------------------------------------------------------
>
> Key: TWILL-227
> URL: https://issues.apache.org/jira/browse/TWILL-227
> Project: Apache Twill
> Issue Type: Bug
> Affects Versions: 0.11.0
> Reporter: Terence Yim
> Assignee: Terence Yim
> Fix For: 0.11.0
>
>
> The {{FileSystem.get}} caches instance for different UGI by default and the
> cache will never cleanup until process shutdown.
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