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https://issues.apache.org/jira/browse/DISPATCH-1463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16962118#comment-16962118
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ASF subversion and git services commented on DISPATCH-1463:
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Commit ef4fba8b25bfa54d54c76d291cdc2493c6183ad3 in qpid-dispatch's branch
refs/heads/master from Ted Ross
[ https://gitbox.apache.org/repos/asf?p=qpid-dispatch.git;h=ef4fba8 ]
DISPATCH-1463 - Added facility for detect stuck deliveries in the router.
Added facility for the core thread to process background actions when there
are no normal actions available.
Added counters to router and link for currently-stuck deliveries.
Added a core module to periodically check for long-unsettled (stuck)
deliveries on links.
Added a test set for stuck-delivery detection
Exposed the new deliveries_stuck metric to the HTTP-accessible global
metrics
This closes #600
> Detect deliveries that are stuck in the router for a long time
> --------------------------------------------------------------
>
> Key: DISPATCH-1463
> URL: https://issues.apache.org/jira/browse/DISPATCH-1463
> Project: Qpid Dispatch
> Issue Type: New Feature
> Components: Router Node
> Reporter: Ted Ross
> Assignee: Ted Ross
> Priority: Major
> Fix For: 1.10.0
>
>
> The delayed-delivery counts are limited in that they only count deliveries
> that have been settled. These counters do not count deliveries that are
> currently "stuck" and have not been settled.
> This feature provides visibility into the number of stuck deliveries per link
> and per router.
> A new counter "deliveriesStuck" shall be added to the link and router
> entities for per-link and aggregated-per-router respectively.
> A delivery is considered "stuck" when it has been in the undelivered or
> unsettled lists for more than ten seconds and is still not settled. Once a
> stuck delivery is settled or otherwise removed, it is no longer considered
> stuck.
> When a link transitions from zero to one stuck delivery, an INFO log message
> shall be emitted indicating that at least one delivery is stuck on that link.
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