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https://issues.apache.org/jira/browse/OAK-2773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Przemo Pakulski updated OAK-2773:
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Summary: Speed up creation of JCR sessions (was: Speedup creation of JCR
session)
> 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 chip 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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