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Date: Mon, 23 Feb 2009 21:19:00 -0800 (PST)
From: "H B (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Subject: [jira] Commented: (AMQ-2136) Reply queue performance hit upgrading
 to 5.2
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    [ https://issues.apache.org/activemq/browse/AMQ-2136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=49929#action_49929 ] 

H B commented on AMQ-2136:
--------------------------

Transaction is needed if several messages are sent together. 

But why does the Kaha store (w/ 5.2) work much faster? In any case, 23 msg/s in transact mode seems too slow.  A database can beat it easily.


> 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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