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From "Vinayakumar B (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7456) De-duplicate AclFeature instances with same AclEntries do reduce memory footprint of NameNode
Date Tue, 09 Dec 2014 18:21:13 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinayakumar B updated HDFS-7456:
--------------------------------
    Attachment:     (was: HDFS-7456-004.patch)

> De-duplicate AclFeature instances with same AclEntries do reduce memory footprint of
NameNode
> ---------------------------------------------------------------------------------------------
>
>                 Key: HDFS-7456
>                 URL: https://issues.apache.org/jira/browse/HDFS-7456
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>            Reporter: Vinayakumar B
>            Assignee: Vinayakumar B
>         Attachments: HDFS-7456-001.patch, HDFS-7456-002.patch, HDFS-7456-003.patch, HDFS-7456-004.patch
>
>
> As discussed  in HDFS-7454 [here|https://issues.apache.org/jira/browse/HDFS-7454?focusedCommentId=14229454&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14229454],
de-duplication of {{AclFeature}} helps in reducing the memory footprint of the namenode.



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