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https://issues.apache.org/jira/browse/AMQ-8617?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Endre Stølsvik updated AMQ-8617:
--------------------------------
    Description: 
Scenario on client:
 # Employing RedeliveryPolicy with exponential backoff (keeping maximum 
redeliveries at default 6)
 # Enabled non-blocking redelivery
 # Receiving e.g. 100 consecutive poison messages which are rolled back 
repeatedly (which eventually should DLQ after max redeliveries)

This will result in massive redelivery delays due to a logic bug.

The reason is that redeliveryDelay is a field variable kept on the 
ActiveMQMessageConsumer, instead of being a property on the message - or that 
the redelivery delay was calculated per message based on the redelivery count.

When consecutive messages rollbacks multiple times, the redeliveryDelay field 
is continuously multiplied by the backoff multiplier, resulting in enormous 
delays.

I'll submit a PR.

  was:
Scenario on client:
 # Enabled RedeliveryPolicy with exponential backoff (keeping maximum 
redeliveries at > 1, e.g. default 6)
 # Enabled non-blocking redelivery
 # Receiving e.g. 100 consecutive poison messages which are rolled back 
repeatedly (which eventually should DLQ after max redeliveries)

This will result in massive redelivery delays due to a logic bug.

The reason is that redeliveryDelay is a field variable kept on the 
ActiveMQMessageConsumer, instead of being a property on the message - or that 
the redelivery delay was calculated per message based on the redelivery count.

When consecutive messages rollbacks multiple times, the redeliveryDelay field 
is continuously multiplied by the backoff multiplier, resulting in enormous 
delays.

I'll submit a PR.


> RedeliveryPolicy:Exponential Backoff + NonBlockingRedelivery = too long delays
> ------------------------------------------------------------------------------
>
>                 Key: AMQ-8617
>                 URL: https://issues.apache.org/jira/browse/AMQ-8617
>             Project: ActiveMQ
>          Issue Type: Bug
>            Reporter: Endre Stølsvik
>            Priority: Minor
>
> Scenario on client:
>  # Employing RedeliveryPolicy with exponential backoff (keeping maximum 
> redeliveries at default 6)
>  # Enabled non-blocking redelivery
>  # Receiving e.g. 100 consecutive poison messages which are rolled back 
> repeatedly (which eventually should DLQ after max redeliveries)
> This will result in massive redelivery delays due to a logic bug.
> The reason is that redeliveryDelay is a field variable kept on the 
> ActiveMQMessageConsumer, instead of being a property on the message - or that 
> the redelivery delay was calculated per message based on the redelivery count.
> When consecutive messages rollbacks multiple times, the redeliveryDelay field 
> is continuously multiplied by the backoff multiplier, resulting in enormous 
> delays.
> I'll submit a PR.



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