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https://issues.apache.org/jira/browse/ARTEMIS-3200?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary Tully reassigned ARTEMIS-3200:
-----------------------------------
Assignee: Gary Tully
> ProtonAbstractReceiver memory leak
> ----------------------------------
>
> Key: ARTEMIS-3200
> URL: https://issues.apache.org/jira/browse/ARTEMIS-3200
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: AMQP
> Affects Versions: 2.17.0
> Environment:
> We were testing the new version of artemis, 2.16 and 2.17.
> We are running spring integration and are using sync and async message flows
> which make use of artemis. With our async message flow we encountered no
> problems, but with the sync message flows we noticed the issues stated above.
> Reporter: Bas
> Assignee: Gary Tully
> Priority: Blocker
>
> Hi,
> Thanks for a wonderfull broker.
> We were testing the new version of artemis, 2.16 and 2.17 and we noticed the
> memory will go up during our performance tests and eventually the garbace
> collector can no longer free enough memory to keep running.
> We are running spring integration and are using sync and async message flows
> which make use of artemis. With our async message flow we encountered no
> problems, but with the sync message flows we noticed the issues stated above.
> We tracked the issues by using MAT to a lambda in the class
> [https://github.com/apache/activemq-artemis/blob/master/artemis-protocols/artemis-amqp-protocol/src/main/java/org/apache/activemq/artemis/protocol/amqp/proton/ProtonAbstractReceiver.java]
> A largemessage cleanup action is registered through the method addClosable on
> line 92. This lambda is not remembered for life cycle managment and never
> de-registered. It seems we create a lot of there ProtonAbstractReceivers
> through our way of messaging. And they pile up in the session. Only when we
> close the session memory is freed. That we create a large nr of
> ProtonAbstractReceiver might also not be correct. I doubt this because we see
> no issues in our async flows. I'm not sure what these ProtonAbstractReceivers
> are used for and when they are created and when not. Maybe there is a place
> where I could look like some related code or some documentation.
> I would like to make a unit tests and see if there is a way this can be fixed
> but could someone give me a hint when this ProtonAbstracReceiver is created
> and if there is already a test case resembling what I want to do so I can use
> that for a quick start?
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