[ https://issues.apache.org/activemq/browse/AMQ-1062?page=all ]
Rob Davies resolved AMQ-1062.
-----------------------------
Resolution: Fixed
SVN revision 478967.
> Closing consumer does not free server memory, server heap overflows
> -------------------------------------------------------------------
>
> Key: AMQ-1062
> URL: https://issues.apache.org/activemq/browse/AMQ-1062
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 4.2.0
> Environment: Windows XP Professional, Java HotSpot(TM) Client VM
> version 1.5.0_09-b01
> Reporter: [EMAIL PROTECTED]
> Assigned To: Rob Davies
> Priority: Critical
> Fix For: 4.2.0
>
>
> I am using the store durable pending cursor.
> Create a producer for a topic and let it run continuously for the remainder
> of the test.
> Create a durable consumer and kill it immediately. (So now messages are
> piling up for the consumer, but memory usage is low thanks to the store
> cursor.)
> Wait a few minutes.
> Now, start the same durable consumer again.
> Memory usage will increase considerably at this point (I get it around 20%).
> Now, stop the consumer.
> Memory usage DOES NOT go down.
> Now, reconnect the same durable consumer. It is possible to get a heap
> overrun that nukes the server!
> This is a problem when there are many consumers, and the general use case is
> that many of them are not active at the same time. I am classifying this as
> "critical bug" due to the heap overflow whenI try to reconnect, but it would
> be great if the memory usage went down as soon as disconnect.
> I image there may also be problems like this with queues, but did not test.
> 2006-11-19 17:24:20,015 [/127.0.0.1:3278] DEBUG PrefetchSubscription
> - Prefetch limit.
> 2006-11-19 17:24:21,281 [/127.0.0.1:3278] DEBUG Service
> - Error occured while processing sync command: java.lang.OutOfMemoryError:
> Java heap space
> java.lang.OutOfMemoryError: Java heap space
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