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https://issues.apache.org/jira/browse/RANGER-2651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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star updated RANGER-2651:
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Attachment: getMostLikelyEvaluators.png
> 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
> Priority: Major
> Attachments: building resource trie.png, getMostLikelyEvaluators.png
>
>
> 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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