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Date: Mon, 16 Jul 2012 21:24:35 +0000 (UTC)
From: "Fengming Lou (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
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Subject: [jira] [Commented] (AMQ-3931) Memory problems with large
 transactions
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    [ https://issues.apache.org/jira/browse/AMQ-3931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13415654#comment-13415654 ] 

Fengming Lou commented on AMQ-3931:
-----------------------------------

Following links should give shine some light on your issue. I see a lot of queues in your configurations, but not memoryLimit imposed on any queues.

http://activemq.apache.org/javalangoutofmemory.html
http://activemq.apache.org/per-destination-policies.html
http://activemq.apache.org/message-cursors.html
                
> Memory problems with large transactions
> ---------------------------------------
>
>                 Key: AMQ-3931
>                 URL: https://issues.apache.org/jira/browse/AMQ-3931
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.6.0
>         Environment: OS: RHEL 5.5
> Startup options: -Xmx2G -Xms2G -XX:MaxPermSize=512M -Dorg.apache.activemq.UseDedicatedTaskRunner=true -Djava.util.logging.config.file=logging.properties -Dcom.sun.management.jmxremote -Dactivemq.classpath=/opt/activemq/conf; -Dactivemq.home=/opt/activemq -Dactivemq.base=/opt/activemq -Dactivemq.conf=/opt/activemq/conf -Dactivemq.data=/opt/activemq/data -Djava.io.tmpdir=/opt/activemq/tmp
> Config file: activemq.xml attached
>            Reporter: Robert Voliva
>         Attachments: activemq_log_output.txt, gbsmq.xml
>
>
> When running a single transaction that produces 300,000 text messages, ActiveMQ runs into all sorts of memory problems.  The log output is attached.  We were using a simple Java JMS client class to produce the 300,000 messages in a single transaction.  Each message's text payload was a random string of 10,000 bytes.
> This is a production scenario that we have that's killing our broker.  We isolated it down to its most basic pieces to try to test where the breakdown was occuring, which led us to this.

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