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RabbitMQ Queues Backing UP by the Millions Since Upgrading to 2020

Since we upgraded to 2020 in December we have a situation where RabbitMQ queues are constantly backed up.  At this point we can't point a finger at any of the many issues we are working but its a little unsettling.  Right now we have 16 million +- backed up.  Currently the biggest culprit is the SwisPubSub and CortexEvents.  We clear subscriptions each week using an automated process so that shouldn't be an issue. I believe its going back to development but it sounds like the answer will be something along the lines of "Its not a problem if you don't notice an issue".

Is anyone else seeing this?  If so, what was the source of the issue?  Were you able to get a resolution?

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  • Hey Tony.
    Thanks for responding. We were running 2019.4 and upgraded to 2020.2.1HF2 in December. We then upgraded to 2020.2.4 in March. We upgraded to 2020.2.5 a few days after it was released.

    We noticed MSMQ issues with our additional polling engines in mid January. While working this issue (Case # 00718521) the support engineer noticed that we had issues with RabbitMQ. There were actual errors with RabbitMQ that were detected. We were able to eventually resolve the issues with RabbitMQ.

    A few weeks ago we noticed that the RabbitMQ queues were backing up again and opened Case # 00789774. I'm currently waiting to hear what development has to say about it.