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https://issues.apache.org/jira/browse/HADOOP-11402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14255322#comment-14255322
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Varun Saxena commented on HADOOP-11402:
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Test failure seems unrelated. Passing in local.
Test failing here due to socket bind failure.
> Negative user-to-group cache entries are never cleared for
> never-again-accessed users
> -------------------------------------------------------------------------------------
>
> Key: HADOOP-11402
> URL: https://issues.apache.org/jira/browse/HADOOP-11402
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.6.0
> Reporter: Colin Patrick McCabe
> Assignee: Varun Saxena
> Priority: Minor
> Attachments: HADOOP-11402.001.patch
>
>
> Negative user-to-group cache entries are never cleared for
> never-again-accessed users. We should have a background thread that runs
> very infrequently and removes these expired entries.
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