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Posted to hdfs-issues@hadoop.apache.org by "Chris Nauroth (JIRA)" <ji...@apache.org> on 2014/01/22 01:59:19 UTC

[jira] [Work started] (HDFS-5620) NameNode: implement Global ACL Set as a memory optimization.

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

Work on HDFS-5620 started by Chris Nauroth.

> NameNode: implement Global ACL Set as a memory 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
>            Assignee: Chris Nauroth
>         Attachments: HDFS-5620.1.patch
>
>
> 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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