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https://issues.apache.org/jira/browse/SLING-9535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Munteanu closed SLING-9535.
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> Improve performance of sling:alias Query when Optimize alias resolution is
> activated
> ------------------------------------------------------------------------------------
>
> Key: SLING-9535
> URL: https://issues.apache.org/jira/browse/SLING-9535
> Project: Sling
> Issue Type: Improvement
> Components: ResourceResolver
> Reporter: Leonardo Derks
> Assignee: Robert Munteanu
> Priority: Major
> Labels: Sling-12-ReleaseNotes
> Fix For: Resource Resolver 1.7.2
>
> Attachments: image-2020-06-19-18-29-24-335.png,
> image-2020-06-19-18-33-21-657.png
>
> Time Spent: 19.5h
> Remaining Estimate: 0h
>
> Improve performance of sling:alias Query when Optimize alias resolution is
> activated in the Resource Resolver Factory:
> !image-2020-06-19-18-29-24-335.png!
> By checking the logs at startup this query is executed:
> {noformat}
> (query=SELECT sling:alias FROM nt:base WHERE sling:alias IS NOT NULL, path=*,
> property=[sling:alias=[is not null]]){noformat}
> *The part that will be good to improve is that the query is not executed for
> path=*, instead a predefined set of locations is used.*
> (Something similar as it is for the Vanity Paths will be nice):
> !image-2020-06-19-18-33-21-657.png!
> Then if none fo these are configured then the query is executed with path=*.
>
> In our project several versions are created per page and it turns out that
> the sling:alias found under _/jcr:system/jcr:versionStorage_ are also
> including in the query exceeding the 10000 limit mentioned in the warning
> message of the property:
> _This might have an impact on the startup time and on the alias update time
> if the number of aliases is huge (over 10000)_
>
> We might have a different approach to solve our issue but did not want to
> leave this topic in the air. Might be also a good improvement for others.
>
> Thanks
>
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