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https://issues.apache.org/jira/browse/SLING-2255?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carsten Ziegeler resolved SLING-2255.
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Resolution: Fixed
> Improve JcrResourceResolver#resolve performance when big number of vanityPath
> are present
> -----------------------------------------------------------------------------------------
>
> Key: SLING-2255
> URL: https://issues.apache.org/jira/browse/SLING-2255
> Project: Sling
> Issue Type: Improvement
> Components: JCR
> Affects Versions: JCR Resource 2.0.10
> Reporter: Antonio Sanso
> Assignee: Carsten Ziegeler
> Priority: Minor
> Fix For: JCR Resource 2.1.0
>
> Attachments: SLING-2255.txt, performance.pdf
>
>
> At the moment the performance of JcrResourceResolver#resolve is tight with
> the number of sling:vanityPath present in the repository.
> Large number of vanityPath means large response time specially in the worse
> case scenario (namely huge number of vanityPath and request that doesn't
> match any vanityPath) but also in the average cases.
> Sling currently employs generic regexps also for vanityPath, but since the
> regex behind a vanityPath is well know there is room for optimization.
> I'll attach a graphs that shows the situation and a potential patch.
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