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https://issues.apache.org/jira/browse/DISPATCH-477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Ross resolved DISPATCH-477.
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Resolution: Fixed
> Drop pre-settled under congestion
> ---------------------------------
>
> Key: DISPATCH-477
> URL: https://issues.apache.org/jira/browse/DISPATCH-477
> Project: Qpid Dispatch
> Issue Type: New Feature
> Components: Router Node
> Reporter: Ted Ross
> Assignee: Ted Ross
> Fix For: 0.7.0
>
>
> When a pre-settled (fire-and-forget) delivery is routed to a destination, and
> that destination's undelivered FIFO is at or above its capacity (default
> 250), pre-settled deliveries must be dropped to reduce congestion and prevent
> unbounded memory consumption.
> Once congestion is detected on a pre-settled delivery, all earlier
> pre-settled deliveries on the same outgoing link shall be dropped and only
> the most recent pre-settled delivery shall remain. Note that an outgoing
> link may contain a mixture of pre-settled and unsettled deliveries.
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