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https://issues.apache.org/jira/browse/SLING-9077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17128167#comment-17128167
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Carsten Ziegeler commented on SLING-9077:
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[~diru] SING-9365 is now implemented, can we close this issue then?
> Improve runtime complexity of o.a.s.api.resource.path.PathSet's factory
> methods
> -------------------------------------------------------------------------------
>
> Key: SLING-9077
> URL: https://issues.apache.org/jira/browse/SLING-9077
> Project: Sling
> Issue Type: Improvement
> Reporter: Dirk Rudolph
> Priority: Major
> Attachments: PerformanceScript.sh
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> With SLING-8946 the PathSet used to keep track of the excluded paths for
> resource observation event propagation of individual ResourceProviders
> started to grow. (The excludes PathSet of the root-ResourceProvider / now
> contains all other ResourceProviders in a system).
> While registering a new ResourceProvider the context update builds a new
> PathSet which is optimised with in PathSet#optimize() with O(n^2). Esp. when
> starting up the environment this is consuming massive CPU time as it grows to
> O(n^3): for each RP calculate the exclusion PathSet with O(n^2).
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