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Posted to oak-issues@jackrabbit.apache.org by "angela (JIRA)" <ji...@apache.org> on 2015/08/11 14:36:46 UTC
[jira] [Resolved] (OAK-2773) Speed up creation of JCR sessions
[ https://issues.apache.org/jira/browse/OAK-2773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
angela resolved OAK-2773.
-------------------------
Resolution: Duplicate
the time spent in the {{PrincipalProvider}} has been addressed by OAK-3003; see also oak-doc section Principal Management for further details.
> Speed up creation of JCR sessions
> ---------------------------------
>
> Key: OAK-2773
> URL: https://issues.apache.org/jira/browse/OAK-2773
> Project: Jackrabbit Oak
> Issue Type: Wish
> Components: core
> Affects Versions: 1.0.12, 1.2
> Reporter: Przemo Pakulski
> Labels: performance
>
> JCR sessions used to be lightweight objects and fast to create in Jackrabbit2/CRX.
> I noticed that in Oak creation of session is significantly more expensive. On my environment creating Oak sessions is ~10 times slower than in crx2.
> The most of the time is spent in PrincipalProviderImpl class which executes many queries.
> Possible solutions are:
> * introduce MembershipCache as it was in Jackrabbit2
> * speed up the queries, actually the queries itself are pretty fast, calculation of execution plans is heavy and adds much overhead
> * both
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