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Posted to dev@qpid.apache.org by "Ted Ross (Jira)" <ji...@apache.org> on 2020/08/10 13:25:00 UTC
[jira] [Updated] (DISPATCH-1502) large scale link disconnects can
push memory up
[ https://issues.apache.org/jira/browse/DISPATCH-1502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Ross updated DISPATCH-1502:
-------------------------------
Fix Version/s: (was: 1.13.0)
1.11.0
> large scale link disconnects can push memory up
> -----------------------------------------------
>
> Key: DISPATCH-1502
> URL: https://issues.apache.org/jira/browse/DISPATCH-1502
> Project: Qpid Dispatch
> Issue Type: Improvement
> Reporter: Gordon Sim
> Assignee: Ted Ross
> Priority: Minor
> Fix For: 1.11.0
>
>
> If a router has some connections with large numbers of links on them, and these connections get suddenly disconnected, the memory for the router can grow quite a bit in processing the link disconnects (>30% in some cases).
> The cause is that there are a large number of qdr_action_t and qdr_general_work_t instances used as the work is passed from worker thread to core and back to a worker thread again. As this happens very rapidly instances are not returned to the pool before more are needed so the pool grows (in my experiments it was growing by close to the number of links involved).
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