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From "Uma Maheswara Rao G (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-10824) Refactor KMSACLs to avoid locking
Date Wed, 16 Jul 2014 11:28:04 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-10824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Uma Maheswara Rao G updated HADOOP-10824:
-----------------------------------------

       Resolution: Fixed
    Fix Version/s: 3.0.0
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

Thanks a lot, Benoy for the patch. I have committed this to trunk.

> Refactor KMSACLs to avoid locking
> ---------------------------------
>
>                 Key: HADOOP-10824
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10824
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>             Fix For: 3.0.0
>
>         Attachments: HADOOP-10824.patch, HADOOP-10824.patch
>
>
> Currently _KMSACLs_ is made thread safe using _ReadWriteLock_. It is possible to safely
publish the _acls_ collection using _volatile_.
> Similar refactoring has been done in [HADOOP-10448|https://issues.apache.org/jira/browse/HADOOP-10448?focusedCommentId=13980112&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13980112]



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