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https://issues.apache.org/jira/browse/AMQ-3710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17270005#comment-17270005
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Dee Moore commented on AMQ-3710:
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We hit the same issue on ActiveMQ 5.14.2. It was configured to delete inactive
destinations.
We solved this by reviewing our topics - we were making transient topics such
as /topic/topic.prefix.<uuid>.entry, which sent small amounts of data and then
became inactive. However, one of our subscribers was subscribing to
/topic/topic.prefix.>, and this was enough to keep every topic active, and
resulted in steady growth of db.data, with only one active .log file.
Even though we found a solution, it would be very nice to be able to mark a
channel as "This channel is inactive when messages have not been sent for x
amount of time and should be deleted, whether or not there are active
subscribers". I cannot find a way to do this - having a subscriber, even on a
wild card basis, is enough to keep a topic active.
> Activemq broker hangs
> ---------------------
>
> Key: AMQ-3710
> URL: https://issues.apache.org/jira/browse/AMQ-3710
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.4.2
> Environment: cent os linux version 5, 64 bit os, java 1.6 update 21
> Reporter: Krishnadasan T S
> Priority: Major
>
> I am using activeMQ 5.4.2 as separate process in my production. more than
> 2000 topics and 600 clients are connecting to broker. Heap size (Old
> generation) area is taking nearly 1 gb memory. Total memory allocated to jvm
> is 2.5 gb.
> Activemq is getting hanged 2 or 3 time in a day. by monitoring in JMX
> console What we noticed is that at that instance of time nearly 100 new
> threads are created and all these threads are NIO related threads. Once It
> happened at the time of GC(we gave a perform gc from jmx for testing). It
> also happened at normal time also.
> can you give any suggestion about what can be the issue.
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