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https://issues.apache.org/jira/browse/AMQ-4964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13870787#comment-13870787
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Timothy Bish commented on AMQ-4964:
-----------------------------------

Did some analysis in YourKit and there doesn't appear to be any lock 
contention, just a really bad use case.  GC going on like crazy due to the 
build up and tear down of multiple connections per second etc.  

> org.apache.activemq.bugs.ConnectionPerMessageTest is very slow - seems to 
> point to lock contention on close
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: AMQ-4964
>                 URL: https://issues.apache.org/jira/browse/AMQ-4964
>             Project: ActiveMQ
>          Issue Type: Improvement
>          Components: Broker, JMS client, Transport
>    Affects Versions: 5.9.0
>            Reporter: Gary Tully
>            Priority: Minor
>
> This needs some investigation to see if there is something we can do to speed 
> up this simple test that does not reuse a connection.



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