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https://issues.apache.org/activemq/browse/AMQ-2136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=49860#action_49860
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H B commented on AMQ-2136:
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BTW it seems the problem is with transacted and CLIENT_ACK. With non-transacted
session, it gets to 500 msg/s. But I don't understand why.
> Reply queue performance hit upgrading to 5.2
> --------------------------------------------
>
> Key: AMQ-2136
> URL: https://issues.apache.org/activemq/browse/AMQ-2136
> Project: ActiveMQ
> Issue Type: Bug
> Components: Performance Test
> Affects Versions: 5.2.0
> Environment: Windows Vista, JDK 1.6
> Reporter: H B
> Priority: Critical
> Attachments: test.java
>
>
> When upgrading to AMQ 5.2, my application gets 10x slower. This is traced to
> the usage of reply queue. I have written a test case (will be attached.)
> In 5.1,
> sender: 16.0 seconds spent for sending 8000 times, avg. 500.0msg/s
> In 5.2:
> sender: 432.0 seconds spent for sending 10000 times, avg. 23.148148msg/s
> I have tried arrange the steps a bit (see commented out line,) no help.
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