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Posted to dev@qpid.apache.org by "Ted Ross (JIRA)" <ji...@apache.org> on 2016/08/17 17:35:20 UTC

[jira] [Created] (DISPATCH-477) Drop pre-settled under congestion

Ted Ross created DISPATCH-477:
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             Summary: 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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