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Posted to dev@jackrabbit.apache.org by "angela (JIRA)" <ji...@apache.org> on 2010/07/13 14:19:49 UTC
[jira] Commented: (JCR-2672) Cache also failed principal lookups
[ https://issues.apache.org/jira/browse/JCR-2672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12887728#action_12887728 ]
angela commented on JCR-2672:
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> To solve that problem I propose that we extend the principal cache to also cover negative principal lookups.
fine by me.
angela
> Cache also failed principal lookups
> -----------------------------------
>
> Key: JCR-2672
> URL: https://issues.apache.org/jira/browse/JCR-2672
> Project: Jackrabbit Content Repository
> Issue Type: Improvement
> Components: jackrabbit-core, security
> Reporter: Jukka Zitting
> Priority: Minor
> Attachments: JCR-2672.patch
>
>
> The principal cache in Jackrabbit normally does a good job in ensuring good performance in critical areas like ACL evaulation. However, the cache only includes successful principal lookups, so an ACE that references a missing (or mistyped) principal can cause notable performance issues as a new principal lookup is needed whenever the node covered by such an ACL is accessed.
> To solve that problem I propose that we extend the principal cache to also cover negative principal lookups.
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