Martin Chan Shu Ching created AMQ-3933:
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             Summary: TransportConnection.dispatchQueue synchronized LinkedList 
to ConcurrentLinkedQueue
                 Key: AMQ-3933
                 URL: https://issues.apache.org/jira/browse/AMQ-3933
             Project: ActiveMQ
          Issue Type: Improvement
    Affects Versions: 5.6.0
         Environment: Linux 
            Reporter: Martin Chan Shu Ching
            Priority: Minor


TransportConnection.dispatchQueue currently uses a synchronized LinkedList to 
pass all objects between the broker and the transport connection to the client. 
This isn't very efficient as the whole list is locked whenever an item is added 
or removed. ConcurrentLinkedQueue is about 20% faster in my tests.

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