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https://issues.apache.org/jira/browse/RANGER-2651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16982211#comment-16982211
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Junping Du commented on RANGER-2651:
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shall we consider to assign this jira to star given he report the issue and
contribute most of the code here? [~abhayk]
> Improve performance of building and querying RangerResourceTrie
> ----------------------------------------------------------------
>
> Key: RANGER-2651
> URL: https://issues.apache.org/jira/browse/RANGER-2651
> Project: Ranger
> Issue Type: Improvement
> Components: Ranger
> Affects Versions: 2.0.0, 1.2.0
> Reporter: star
> Assignee: Abhay Kulkarni
> Priority: Major
> Attachments: RANGER-2651.patch, building resource trie.png,
> getMostLikelyEvaluators.png, ranger-2651.path
>
>
> When we have 100,000 policies, it takes a long time to initialize hive plugin
> (more than 1min) and evaluate access request(more than 1s). Digging into the
> process, we found java stack as above images. Obviously it is the
> List.IndexOf method which makes it taking too much time.
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