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From matteor <>
Subject Abnormal (?) NIOTransport memory usage
Date Thu, 11 Apr 2013 15:14:20 GMT
Dear all,
I would like to ask you why I'm experiencing a quite strange situation with
ActiveMQ 5.8.0.

I have a 5.8.0 AMQ broker with the following transport connectors:

As soon as I try connecting a CMS client to this broker (using SSL), I got
an out of memory error. The generated hprof shows that the activemq broker
instantiated 42 instances of org.apache.activemq.transport.nio.NIOTransport
class, each swallowing 369.295.688 bytes. 
In total, the 42 instances of NIOTransport consume something like 2,9 GB.

I would like to understand why this huge amount of memory happens and how I
could limit the NIOTransport memory allocation (if this makes sense, of

Thank you very much!


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