[jira] [Created] (AMQ-6849) Support a virtual topic discard mode for full consumer queues

["Gary Tully (JIRA)" <ji...@apache.org>]

Gary Tully created AMQ-6849:
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             Summary: Support a virtual topic discard mode for full consumer queues
                 Key: AMQ-6849
                 URL: https://issues.apache.org/jira/browse/AMQ-6849
             Project: ActiveMQ
          Issue Type: Improvement
          Components: Broker
    Affects Versions: 5.15.0
            Reporter: Gary Tully
            Assignee: Gary Tully
             Fix For: 5.16.0


For regular topics, the slow consumer problem has a few solutions via the [discarding policies|http://activemq.apache.org/slow-consumer-handling.html]

For Virtual Topics, message expiry is the only viable option, however dispatch will be blocked till expiry kicks in. In the same way that we can discard some messages for a slow topic subscriber it can make sense to discard messages for a subscriber queue that is full such that dispatch to fast queues can continue.



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