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https://issues.apache.org/jira/browse/AMQ-3933?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary Tully updated AMQ-3933:
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Attachment: TransportConnectionTest.java
I am not finding any proof of an improvement in my junit tests. In fact, for
low number of threads the concurrent queue is slower.Can you peek at this
simple junit test and see if you can tweek it to demonstrate what you saw.
> TransportConnection.dispatchQueue synchronized LinkedList to
> ConcurrentLinkedQueue
> ----------------------------------------------------------------------------------
>
> Key: AMQ-3933
> URL: https://issues.apache.org/jira/browse/AMQ-3933
> Project: ActiveMQ
> Issue Type: Improvement
> Affects Versions: 5.6.0
> Environment: Linux
> Reporter: Martin Chan Shu Ching
> Priority: Minor
> Labels: newbie
> Attachments: TestQueue.java, TransportConnectionTest.java
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> TransportConnection.dispatchQueue currently uses a synchronized LinkedList to
> pass all objects between the broker and the transport connection to the
> client. This isn't very efficient as the whole list is locked whenever an
> item is added or removed. ConcurrentLinkedQueue is about 20% faster in my
> tests.
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