[GitHub] [activemq-artemis] jbertram commented on pull request #3428: ARTEMIS-3075 Skip temporary queues scale down

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jbertram commented on pull request #3428:
URL: https://github.com/apache/activemq-artemis/pull/3428#issuecomment-772593216


   One of the benefits of scale-down as opposed to normal fail-over is that non-persistent messages are preserved. In normal fail-over only persistent messages are preserved. 
   
   It is, of course, normal for temporary queues to disappear when a client disconnects, but it also might be nice for scale-down to preserve these temporary queues so clients can reconnect and continue their work since the client itself was not responsible for the disconnect. For normal clients using temporary queues who get disconnect because some kind of spurious network issue they are able to reconnect back to their temporary queue unless the connection ttl has elapsed and the broker has cleaned up the queue. This is discussed in [the documentation](http://activemq.apache.org/components/artemis/documentation/latest/client-reconnection.html).


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