AmazonMQ: High number of unprocessed messages
For information about how we use RabbitMQ on AmazonMQ, see here.
We check that there is not a significant build up of messages compared to the normal amounts on certain queues. The queues this alert applies to are:
The plugin which implements this alert is here.
The Icinga check is performed by connecting to RabbitMQ’s admin API and triggering if the number of messages on the queues listed above crosses certain thresholds.
queues the message thresholds are:
25 for critical and 5 for warning.
You may see the no consumers listening alert too, as issues with consumers processing messages could then lead to a high backlog of messages.
For troubleshooting steps, see here.