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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5620) NameNode: implement Global ACL Set as a space optimization.
Date Fri, 20 Dec 2013 19:58:14 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Nauroth updated HDFS-5620:
--------------------------------

    Summary: NameNode: implement Global ACL Set as a space optimization.  (was: NameNode:
enhance AclManager to use Global ACL Set as a space optimization.)

> NameNode: implement Global ACL Set as a space optimization.
> -----------------------------------------------------------
>
>                 Key: HDFS-5620
>                 URL: https://issues.apache.org/jira/browse/HDFS-5620
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>    Affects Versions: HDFS ACLs (HDFS-4685)
>            Reporter: Chris Nauroth
>
> The {{AclManager}} can maintain a Global ACL Set to store all distinct ACLs in use by
the file system.  All inodes that have the same ACL entries can share the same ACL instance.



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