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https://issues.apache.org/jira/browse/RANGER-3741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17530173#comment-17530173
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Pradeep Agrawal commented on RANGER-3741:
-----------------------------------------
Thanks [~lmccay] for the input.
> Ranger PamAuthentication is slow
> --------------------------------
>
> Key: RANGER-3741
> URL: https://issues.apache.org/jira/browse/RANGER-3741
> Project: Ranger
> Issue Type: Bug
> Components: Ranger
> Reporter: Pradeep Agrawal
> Priority: Major
>
> Ranger PamAuthentication is slow, it takes 3 seconds to finish the
> authentication whether its success or fail.
> If PamAuthentication is enabled then even for the basic jdbc authentication
> the PamAuthentication check is executed first and after the PamAuthentication
> failure basic jdbc auth is attempted. this way all the basic jdbd auth
> request takes 3 seconds more which slow downs the large number of subsequent
> request.
>
> Ranger PamAuthentication uses
> [https://mvnrepository.com/artifact/org.kohsuke/libpam4j] library which is
> old and based on native c code.
> I have tried with latest available version and latest jna version also but
> with that also there is no improvement in the response time.
>
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