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From "Davide Giannella (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (OAK-3003) Improve login performance with huge group membership
Date Fri, 21 Aug 2015 12:14:00 GMT

     [ https://issues.apache.org/jira/browse/OAK-3003?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Davide Giannella closed OAK-3003.
---------------------------------

Bulk close for 1.3.4

> Improve login performance with huge group membership
> ----------------------------------------------------
>
>                 Key: OAK-3003
>                 URL: https://issues.apache.org/jira/browse/OAK-3003
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core
>            Reporter: angela
>            Assignee: angela
>              Labels: performance
>             Fix For: 1.3.4
>
>         Attachments: OAK-3003.patch, OAK-3003_2.patch, OAK-3003_3.patch, OAK-3003_4.patch,
group_cache_in_userprincipalprovider.txt
>
>
> As visible when running {{LoginWithMembershipTest}} default login performance (which
uses the {{o.a.j.oak.security.principal.PrincipalProviderImpl}} to lookup the complete set
of principals) suffers when a given user is member of a huge number of groups (see also OAK-2690
for benchmark data).
> While using dynamic group membership (and thus a custom {{PrincipalProvider}} would be
the preferable way to deal with this, we still want to optimize {{PrincipalProvider.getPrincipals(String
userId}} for the default implementation.
> With the introduction of a less generic implementation in OAK-2690, we might be able
to come up with an optimization that makes use of the very implementation details of the user
management while at the same time being able to properly secure it as we won't need to extend
the public API.



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