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Posted to dev@jackrabbit.apache.org by "angela (JIRA)" <ji...@apache.org> on 2010/08/11 12:30:24 UTC
[jira] Resolved: (JCR-2703) UserManagement: Add Membership Cache
[ https://issues.apache.org/jira/browse/JCR-2703?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
angela resolved JCR-2703.
-------------------------
Resolution: Fixed
> UserManagement: Add Membership Cache
> ------------------------------------
>
> Key: JCR-2703
> URL: https://issues.apache.org/jira/browse/JCR-2703
> Project: Jackrabbit Content Repository
> Issue Type: Improvement
> Components: jackrabbit-core, security
> Affects Versions: 2.0.0, 2.1.0
> Reporter: angela
> Assignee: angela
> Fix For: 2.2.0
>
>
> due to weakreference nature of the group members, retrieving the groups a given authorizable is member is expensive as the corresponding
> API call (Node#getWeakReferences) executes a query [fallback if search is disabled: traversing the complete group tree, which isn't for free either].
> i would therefore suggest to add a cache (authorizable nodeId -> group nodeids) that is gets cleared upon any modification to group membership or
> group removal and doesn't need any extra observation. this cache may potentially obsolete the principal-based cache in DefaultPrincipalProvider...
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