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Posted to dev@ranger.apache.org by "Abhay Kulkarni (Jira)" <ji...@apache.org> on 2021/12/02 17:40:00 UTC

[jira] [Commented] (RANGER-3519) Provide an option to optimize space needed by Trie objects

    [ https://issues.apache.org/jira/browse/RANGER-3519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17452528#comment-17452528 ] 

Abhay Kulkarni commented on RANGER-3519:
----------------------------------------

Additional commit:

master:

[https://github.com/apache/ranger/commit/5852efde1cba728ad580231ad02145ea72861186]

 

> Provide an option to optimize space needed by Trie objects
> ----------------------------------------------------------
>
>                 Key: RANGER-3519
>                 URL: https://issues.apache.org/jira/browse/RANGER-3519
>             Project: Ranger
>          Issue Type: Bug
>          Components: Ranger
>            Reporter: Abhay Kulkarni
>            Assignee: Abhay Kulkarni
>            Priority: Major
>             Fix For: 3.0.0
>
>
> When the number of policies (and/or tagged resources) is large, the data structures used by Ranger as indexes for policies (and/or tagged resources) may need a very large heap memory because they are optimized for fast lookup. It is desirable to be able to configure Ranger to have these structures optimized for space in order to keep the heap requirements within acceptable limit at the cost of somewhat slower lookup.



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