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https://issues.apache.org/jira/browse/ARTEMIS-4814?focusedWorklogId=923941&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-923941
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ASF GitHub Bot logged work on ARTEMIS-4814:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 18/Jun/24 17:19
Start Date: 18/Jun/24 17:19
Worklog Time Spent: 10m
Work Description: clebertsuconic commented on code in PR #4972:
URL: https://github.com/apache/activemq-artemis/pull/4972#discussion_r1644813299
##########
artemis-server/src/main/java/org/apache/activemq/artemis/core/postoffice/impl/SimpleAddressManager.java:
##########
@@ -100,6 +104,11 @@ public boolean addBinding(final Binding binding) throws
Exception {
if (nameMap.putIfAbsent(binding.getUniqueName(), bindingAddressPair) !=
null) {
throw ActiveMQMessageBundle.BUNDLE.bindingAlreadyExists(binding);
}
+ directBindingMap.compute(binding.getAddress(), (key, value) -> {
+ Collection<Binding> bindingList = value == null ? new ArrayList<>() :
value;
+ bindingList.add(binding);
Review Comment:
say you call this from different threads...
perhaps we should add a test having mulitple threads on this call here, and
make sure the outcome is as expected.
Issue Time Tracking
-------------------
Worklog Id: (was: 923941)
Time Spent: 3h (was: 2h 50m)
> 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
> Reporter: Josh Byster
> Priority: Minor
> Time Spent: 3h
> 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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