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https://issues.apache.org/jira/browse/RANGER-2753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sailaja Polavarapu updated RANGER-2753:
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    Issue Type: Improvement  (was: Bug)

> Optimize populating user group mappings from DB.
> ------------------------------------------------
>
>                 Key: RANGER-2753
>                 URL: https://issues.apache.org/jira/browse/RANGER-2753
>             Project: Ranger
>          Issue Type: Improvement
>          Components: Ranger
>            Reporter: Sailaja Polavarapu
>            Assignee: Sailaja Polavarapu
>            Priority: Major
>
> As part of ranger userstore cache, user to group mappings are built from DB. 
> Current implementation opens lot of DB connections which is very performance 
> intensive operation. 



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