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https://issues.apache.org/jira/browse/KNOX-468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14200265#comment-14200265
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ASF subversion and git services commented on KNOX-468:
------------------------------------------------------

Commit d29a819f3d9fbcd9b7c2ca68d7850b3d83468968 in knox's branch 
refs/heads/master from [~lmccay]
[ https://git-wip-us.apache.org/repos/asf?p=knox.git;h=d29a819 ]

KNOX-468 update group lookup topologies to configure cache manager

> Add default config to optimize LDAP group lookup
> ------------------------------------------------
>
>                 Key: KNOX-468
>                 URL: https://issues.apache.org/jira/browse/KNOX-468
>             Project: Apache Knox
>          Issue Type: Bug
>          Components: Server
>    Affects Versions: 0.5.0
>            Reporter: Kevin Minder
>            Priority: Critical
>             Fix For: 0.6.0
>
>
> The config below needs to be added to the Shiro provider in order to prevent 
> LDAP group lookup every request.
> {code}
> cacheManager = org.apache.shiro.cache.MemoryConstrainedCacheManager
> securityManager.cacheManager = $cacheManager
> {code}
> {code:xml}
> <topology>
>     <gateway>
>         <provider>
>             <role>authentication</role>
>             <name>ShiroProvider</name>
>             ...
>             <param>
>                 <name>main.cacheManager</name>
>                 
> <value>org.apache.shiro.cache.MemoryConstrainedCacheManager</value>
>           </param>
>             <param>
>                 <name>main.securityManager.cacheManager</name>
>                 <value>$cacheManager</value>
>             </param>
>             ....
>         </provider>
>         ....
>     </gateway>
>     ...
> </topology>
> {code}



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