Gordon Sim created DISPATCH-1502:
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Summary: 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
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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