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https://issues.apache.org/jira/browse/QPIDJMS-402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16543755#comment-16543755
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Robbie Gemmell commented on QPIDJMS-402:
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>From the testing done so far we saw two things that slow things down on 
>Windows, but speed things up on Linux. Perhaps thats also in play on the OSX 
>side as well, at least somewhat. I'll probably ask you try try some things 
>next week. Tim's been working on some changes while I've been busy doing 
>proton-j releases, and we will pick up more on Monday to see what looks like 
>the way forward.

> Massive performance degradation in 0.34.0
> -----------------------------------------
>
>                 Key: QPIDJMS-402
>                 URL: https://issues.apache.org/jira/browse/QPIDJMS-402
>             Project: Qpid JMS
>          Issue Type: Bug
>          Components: qpid-jms-client
>    Affects Versions: 0.34.0
>         Environment: Windows 7x64 + Oracle JDK 8u161x64
> Windows 7x64 + Open JDK 8u171x64
> CloudFoundry (Ubuntu Trusty) + Open JDK 8u172x64
>            Reporter: Johan Stenberg
>            Priority: Critical
>         Attachments: QpidJms402_PerfTest.java, 
> image-2018-07-13-16-39-19-707.png, qpidjms402.zip
>
>
> This is a followup issue for 
> [http://qpid.2158936.n2.nabble.com/qpid-jms-Severe-performance-issue-after-upgrading-from-0-33-0-to-0-34-0-td7678052.html]
> I am attaching a simple test case that shows the issue. When I use qpid jms 
> 0.33 I get 2000msg/s send + receive on my local machine. When I switch to 
> 0.34 the message rate drops to 20msg/s.
>  
>  



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