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https://issues.apache.org/jira/browse/AMQ-3931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13415624#comment-13415624
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Robert Voliva commented on AMQ-3931:
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Do you know if this is a configuration option of ActiveMQ, where it can be told
to serialize messages participating in a transaction to disk while more
messages for that transaction are coming in? This would allow it to free up
memory for the rest of the incoming messages. Or is this just a
feature/limitation in how ActiveMQ works?
> 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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