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From "Benoy Antony (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10659) Refactor AccessControlList to reuse utility functions and to improve performance
Date Tue, 03 Jun 2014 21:40:02 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14017185#comment-14017185
] 

Benoy Antony commented on HADOOP-10659:
---------------------------------------

The test failures are not related. These tests pass on my machine with the patch

> Refactor AccessControlList to reuse utility functions and to improve performance
> --------------------------------------------------------------------------------
>
>                 Key: HADOOP-10659
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10659
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: security
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>            Priority: Minor
>         Attachments: HADOOP-10659.patch
>
>
> Minor improvements can be done on _AccessControlList_.
> Code Reusability:
> _AccessControlList_ sanitizes the input list to remove duplicate entries, trim entries.
_StringUtils.getTrimmedStringCollection_ can be used in this case.
> Performance:
> _AccessControlList_  uses TreeSet to maintain set of users and groups.
> HashSet improves the performance slightly.



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