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From "Benoy Antony (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10566) Refactor proxyservers out of ProxyUsers
Date Sat, 10 May 2014 22:11:43 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13992934#comment-13992934
] 

Benoy Antony commented on HADOOP-10566:
---------------------------------------

[~wheat9], [~arpitagarwal], [~sureshms] , Could one of please review and commit this patch
?
There is already a +1 from [~daryn].
The earlier comments related to commits seem to be some error.

> Refactor proxyservers out of ProxyUsers
> ---------------------------------------
>
>                 Key: HADOOP-10566
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10566
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: security
>    Affects Versions: 2.4.0
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>         Attachments: HADOOP-10566.patch, HADOOP-10566.patch, HADOOP-10566.patch, HADOOP-10566.patch,
HADOOP-10566.patch
>
>
> HADOOP-10498 added proxyservers feature in ProxyUsers. It is beneficial to treat this
as a separate feature since 
> 1> The ProxyUsers is per proxyuser where as proxyservers is per cluster. The cardinality
is different. 
> 2> The ProxyUsers.authorize() and ProxyUsers.isproxyUser() are synchronized and hence
share the same lock  and impacts performance.
> Since these are two separate features, it will be an improvement to keep them separate.
It also enables one to fine-tune each feature independently.



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