[jira] [Updated] (ARTEMIS-4814) Remove linear iteration to get direct bindings

["Justin Bertram (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARTEMIS-4814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Justin Bertram updated ARTEMIS-4814:
------------------------------------
    Issue Type: Improvement  (was: Task)

> Remove linear iteration to get direct bindings
> ----------------------------------------------
>
>                 Key: ARTEMIS-4814
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-4814
>             Project: ActiveMQ Artemis
>          Issue Type: Improvement
>          Components: Broker
>    Affects Versions: 2.35.0
>            Reporter: Josh Byster
>            Priority: Major
>             Fix For: 2.36.0
>
>          Time Spent: 4h 10m
>  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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