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From "Madhan Neethiraj (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (RANGER-1161) Policy engine optimization: use prefix filter to reduce number of policies evaluated
Date Thu, 15 Sep 2016 20:06:20 GMT

    [ https://issues.apache.org/jira/browse/RANGER-1161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15494374#comment-15494374
] 

Madhan Neethiraj commented on RANGER-1161:
------------------------------------------

Committed to ranger-0.6:
 - http://git-wip-us.apache.org/repos/asf/incubator-ranger/commit/b265605f
 - http://git-wip-us.apache.org/repos/asf/incubator-ranger/commit/13e36cf1

> Policy engine optimization: use prefix filter to reduce number of policies evaluated
> ------------------------------------------------------------------------------------
>
>                 Key: RANGER-1161
>                 URL: https://issues.apache.org/jira/browse/RANGER-1161
>             Project: Ranger
>          Issue Type: Bug
>          Components: plugins
>    Affects Versions: 0.5.0, 0.6.0
>            Reporter: Madhan Neethiraj
>            Assignee: Madhan Neethiraj
>             Fix For: 0.7.0, 0.6.2
>
>         Attachments: RANGER-1161.2.patch, RANGER-1161.3.patch, RANGER-1161.4.patch, RANGER-1161.patch,
RANGER-1161_ranger-0.5.patch
>
>
> Enhance policy engine to reduce number of policies evaluated to determine resource access
result. Currently the policy engine evaluates enabled policies until the result is determined.
The number of policies evaluated can be reduced by using a better arrangement/lookup of policies
- like trie.



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