RabbitMQ Metrics

Metric Name	Type	Components	Purpose
rabbitmq_queue_messages	Gauge	RabbitMQ	Sum of ready and unacknowledged messages (queue depth).
rabbitmq_queues	Gauge	RabbitMQ	Count of RabbitMQ queues.
erlang_vm_statistics_bytes_received_total	Counter	RabbitMQ	Total number of bytes received through RabbitMQ ports.
erlang_vm_statistics_bytes_output_total	Counter	RabbitMQ	Total number of bytes output through RabbitMQ ports.