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https://issues.apache.org/jira/browse/FC-327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18001351#comment-18001351
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Shawn McKinney commented on FC-327:
-----------------------------------

Why do we need to cache at all? One could make the argument that the directory 
should be fast enough. For administrative operations that's an acceptable 
tradeoff (slower performance) for up to date values. But what about 
createSession? This happens a lot and for evaluating dynamic separation of duty 
constraints during role activations there would be quite a hit reading all of 
the roles and constraints stored. This would have to be done on every login. 
For impls that don't use DSD an option should be available to turn off all 
caching. This option will be included here.

> Upgrade from ehcache v2
> -----------------------
>
>                 Key: FC-327
>                 URL: https://issues.apache.org/jira/browse/FC-327
>             Project: FORTRESS
>          Issue Type: Improvement
>    Affects Versions: 3.0.0
>            Reporter: Shawn McKinney
>            Priority: Major
>             Fix For: 4.0.0
>
>
> Fortress core uses ehcache v2. It is getting long in tooth, has a number of 
> CVE's, and needs to be replaced. Here we'll look at alternatives.



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