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https://issues.apache.org/jira/browse/SLING-2521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13423852#comment-13423852
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Carsten Ziegeler commented on SLING-2521:
-----------------------------------------

Thanks Antonio, can you please explain how your test actually looks like/what 
it does? (how many aliases are created, which requests are executed etc.) 
Obviously we should 

                
> Allow disabling sling:alias support per configuration
> -----------------------------------------------------
>
>                 Key: SLING-2521
>                 URL: https://issues.apache.org/jira/browse/SLING-2521
>             Project: Sling
>          Issue Type: New Feature
>          Components: JCR
>    Affects Versions: JCR Resource 2.1.0
>            Reporter: Felix Meschberger
>         Attachments: disabling-alias-performance.png
>
>
> The the JCR based ResourceResolver.resolve method currently support 
> sling:alias properties on nodes to allow for resolution of translated URLs. 
> This is potentially a very expensive operation particularly in the case of 
> non existing resource.
> It should be analyzed whether (a) disabling sling:alias support has a 
> measurable benefit on resource resolution (particularly when not finding a 
> resource) and (b) whether it would be easy and simple to disable such support 
> per configuration.

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