Github user franz1981 commented on the issue:
https://github.com/apache/activemq-artemis/pull/1435
@clebertsuconic To show it I've performed a test measuring with ASYNCIO
(timeout 2000000 nanoseconds === 500 IOPS) how much time is needed for each
callbacke to be triggered (ie called a done) and this is the result:
[

](url)
It shows that each callback::done tooks at least 2000000 nanoseconds before
being called.
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