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https://issues.apache.org/jira/browse/ARTEMIS-4814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timothy A. Bish resolved ARTEMIS-4814.
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Resolution: Fixed
> Remove linear iteration to get direct bindings
> ----------------------------------------------
>
> Key: ARTEMIS-4814
> URL: https://issues.apache.org/jira/browse/ARTEMIS-4814
> Project: ActiveMQ Artemis
> Issue Type: Task
> Components: Broker
> Affects Versions: 2.35.0
> Reporter: Josh Byster
> Priority: Minor
> Fix For: 2.36.0
>
> Time Spent: 3.5h
> Remaining Estimate: 0h
>
> Currently, with 500K+ queues, the cleanup step of {{TempQueueCleanerUpper}}
> requires invoking {{WildcardAddressManager#getDirectBindings}}, which is O(k)
> in the number of queues.
> From method profiling, this can consume up to 95% of our CPU time when
> needing to clean up many of these.
> It would be nice to make this more efficient, which shouldn't be difficult
> given the iteration just does a simple equality check.
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