Gateway sporadically stops sending notifications about apnagent HOT 3 OPEN

It seems like a race condition is putting the queue back into a pause state immediately after it has been resumed. I would start by checking to see if the _queueIterator is even being invoked after .resume()

At a lower level, the queue might decide to not process the next item if any of these conditions pass: https://github.com/qualiancy/breeze-queue/blob/master/lib/queue.js#L200-L203

I'll see what else I can find....

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Theory: when the last item is sent I don't see a "cache push" notification for id 434787 which would occur here. Coincidentally, that is when next would be called, thus reducing the worker count for the queue. Then, once resume is called it the queue thinks all the workers are still busy so it never invokes the queue iterator for the next item in the queue.

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Hi, i am seeing similar behaviour, i send lots of events one by one but sometimes it works but sometimes only one or two got delivered and the rest just gone. Is there a simple way to push the queue, like forcing to call process every once in a while with a timeout?

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