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From "Varun Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-11402) Negative user-to-group cache entries are never cleared for never-again-accessed users
Date Sun, 21 Dec 2014 22:52:13 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-11402?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Varun Saxena updated HADOOP-11402:
----------------------------------
    Attachment: HADOOP-11402.001.patch

> 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
>            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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