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https://issues.apache.org/jira/browse/SLING-7544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16405060#comment-16405060
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Dominik Süß commented on SLING-7544:
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Fixed patch to properly handle traversal, fixed mistake on cleanup
accidentially moving thread out of optimized if condition & added test coverage
for the delayed cases.
> Make optimized alias lookup non-blocking
> ----------------------------------------
>
> Key: SLING-7544
> URL: https://issues.apache.org/jira/browse/SLING-7544
> Project: Sling
> Issue Type: Improvement
> Components: ResourceResolver
> Affects Versions: Resource Resolver 1.5.36
> Reporter: Dominik Süß
> Priority: Major
>
> The implementation of optimized alias lookup as introduced with SLING-2521
> blocks CommonResourceResolver activation while loading aliases to fillup the
> aliasmap. In case a corresponding index is not present yet this can lead to
> full tree traversal while indexing is doing the same in the background.
> The proposed improvements are:
> * making loading of the aliasmap happen asynchronously
> * only use optimized handling as soon as aliasmap is built
> * wait for non traversal index (optional - forced by default, can be turned
> off for small datasets)
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