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a60fb26
(Get the code!)
This is not really unexpected.
nova like most opesntack service depends on rabbit being reliable and if a RPC is lost then thinks can break.
fixing that is not in scope fo nova.
it would require a fundamental reacatecure to introduced tasks and track state to allows us to resend messages if we
see that the action was not performed after some time.
that is not something that we have development capstiy to do or an inclinationt to address currently.
we do not have any logs to review but i would guess there is an interval where the compute agent is unable to receive messages form queus or where they are lost when rabbit is stopped.
you might be able to address this by using durable or quoram queues but that is out of scope of nova.