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https://issues.apache.org/jira/browse/AMQ-1853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071778#comment-13071778
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Markus Schmidt commented on AMQ-1853:
-------------------------------------
Couldn't agree more with Mark and Farhad, This is a real pain and makes
ActiveMQ look like the most error-prone part of our system :( In our case it
would also be hard to drop the use of the redelivery functionality at all, so I
still hope for a fix. I can't go back to older releases, they have other issues.
> Optional non-blocking redelivery
> --------------------------------
>
> Key: AMQ-1853
> URL: https://issues.apache.org/jira/browse/AMQ-1853
> Project: ActiveMQ
> Issue Type: Wish
> Components: Broker
> Affects Versions: 5.1.0
> Reporter: Demian Mrakovich
> Fix For: NEEDS_REVIEWED
>
>
> When a message is redelivered the consumer blocks for the amount of time
> specified by the redelivery delay. For a high load scenario where message
> order is irrelevant this is just reducing performance and will result in a
> complete halt if the delay is long and several bad messages are consumed in a
> short time.
> I think what I basically wish for is how it worked in versions 3.x, prior to
> fix for AMQ-268. So I would very much like to have configurable option to NOT
> block consumers when redelivering messages.
> If no-one feels up to it, I'd still appreciate some hints and I could try to
> fix it myself. Looking at ActiveMQMessageConsumer.rollback(), I was thinking
> something in the lines of just scheduling a task to put the message back on
> queue after a delay - if configured to, instead of stopping delivery and a
> schedule a task to resume delivery again. But I do not possess an
> understanding of AMQ thorough enough to predict potential side effects of
> this, so any analysis would be helpful.
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