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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (AMQ-2991) ActiveMQ leaks memory for a typical request/response pattern (temporary queues)
Date Wed, 29 Jun 2011 23:09:28 GMT

     [ https://issues.apache.org/jira/browse/AMQ-2991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Timothy Bish closed AMQ-2991.
-----------------------------

    Resolution: Not A Problem

Working as designed.  A temp destination exists for the life of the Connection.  The test
case create a single connection for the requestor and the responder so each request / response
cycle creates a new destination that will live on after the cycle.  You could just use one
temp destination for this pattern.  You could also look into auto removing inactive destinations
for this: http://activemq.apache.org/delete-inactive-destinations.html

> ActiveMQ leaks memory for a typical request/response pattern (temporary queues)
> -------------------------------------------------------------------------------
>
>                 Key: AMQ-2991
>                 URL: https://issues.apache.org/jira/browse/AMQ-2991
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.4.1
>         Environment: Windows 7, JRE 1.6
>            Reporter: Manuel Teira
>            Priority: Critical
>         Attachments: AMQ2991.java
>
>
> Usage of temporary queues to implement a request/response pattern seems to lead to memory
leakages in the activemq broker. This leakage looks related with the creation of temporary
queues in the broker.
> I'm attaching a test case were enabling or disabling temporary queues usage, makes a
difference in the amount of committed heap memory requested by the VM: Using temporary queues
makes heap memory to increment with time, whereas disabling it makes the test runs with constant
memory numbers.

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