RabbitMQ Metrics

Introduction

This section describes metrics reported by DMS for RabbitMQ to Cloud Eye as well as their namespaces and dimensions. You can use the Cloud Eye console or APIs to query the metrics and alarms of RabbitMQ instances. You can also view the metrics on the Monitoring page of the RabbitMQ console.

Namespace

SYS.DMS

Instance Metrics

**Table 1** Instance metrics (RabbitMQ 3.x.x)
Metric ID	Metric Name	Description	Value Range	Monitored Object	Monitoring Period (Raw Data)
connections	Connections	Number of connections in the RabbitMQ instance Unit: Count	≥ 0	RabbitMQ instance	1 minute
channels	Channels	Number of channels in the RabbitMQ instance Unit: Count	0–2047	RabbitMQ instance	1 minute
queues	Queues	Number of queues in the RabbitMQ instance Unit: Count	0–7,000	RabbitMQ instance	1 minute
consumers	Consumers	Number of consumers in the RabbitMQ instance Unit: Count	0–280,000	RabbitMQ instance	1 minute
messages_ready	Available Messages	Number of messages that can be consumed in the RabbitMQ instance Unit: Count	0–10,000,000	RabbitMQ instance	1 minute
messages_unacknowledged	Unacknowledged Messages	Total number of messages that have been consumed but not acknowledged in a RabbitMQ instance Unit: Count	0–10,000,000	RabbitMQ instance	1 minute
publish	Message Creation Rate	Rate at which messages are produced in the RabbitMQ instance Unit: Count/second	0–25,000	RabbitMQ instance	1 minute
deliver	Retrieval Rate (Manual Ack)	Rate at which messages are consumed (in the manual acknowledgment scenario) in a RabbitMQ instance Unit: Count/second	0–25,000	RabbitMQ instance	1 minute
deliver_no_ack	Retrieval Rate (Auto Ack)	Rate at which messages are consumed (in the automatic acknowledgment scenario) in a RabbitMQ instance Unit: Count/second	0–50,000	RabbitMQ instance	1 minute
connections_states_running	Normal Connections	Number of starting, tuning, opening, and running connections in the instance Unit: Count NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance	1 minute
connections_states_flow	Flow Connections	Number of flow connections in the instance Unit: Count NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance	1 minute
connections_states_block	Blocked/Blocking Connections	Number of blocking and blocked connections in the instance Unit: Count NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance	1 minute
connections_states_close	Closed/Closing Connections	Number of closing and closed connections in the instance Unit: Count NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance	1 minute
channels_states_running	Normal Channels	Number of starting, tuning, opening, and running channels in the instance Unit: Count NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance	1 minute
channels_states_flow	Flow Channels	Number of flow channels in the instance Unit: Count NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance	1 minute
channels_states_block	Blocked/Blocking Channels	Number of blocking and blocked channels in the instance Unit: Count NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance	1 minute
channels_states_close	Closed/Closing Channels	Number of closing and closed channels in the instance Unit: Count NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance	1 minute
queues_states_running	Normal Queues	Number of running queues in the instance Unit: Count NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance	1 minute
queues_states_flow	Flow Queues	Number of flow queues in the instance Unit: Count NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance	1 minute

**Table 2** Instance metrics (RabbitMQ AMQP-0-9-1)
Metric ID	Metric Name	Description	Value Range	Monitored Object	Monitoring Period (Raw Data)
connections	Connections	Number of connections in the RabbitMQ instance Unit: Count	≥ 0	RabbitMQ instance	1 minute
channels	Channels	Number of channels in the RabbitMQ instance Unit: Count	0–2,000	RabbitMQ instance	1 minute
queues	Queues	Number of queues in the RabbitMQ instance Unit: Count	0–1,000	RabbitMQ instance	1 minute
consumers	Consumers	Number of consumers in the RabbitMQ instance Unit: Count	≥ 0	RabbitMQ instance	1 minute
messages_ready	Available Messages	Number of messages that can be consumed in the RabbitMQ instance Unit: Count	0–10,000,000	RabbitMQ instance	1 minute
publish	Message Creation Rate	Rate at which messages are produced in the RabbitMQ instance Unit: Count/second	≥ 0	RabbitMQ instance	1 minute
instance_bytes_in_rate	Message Creation	Number of bytes produced in the RabbitMQ instance per second Unit: byte/s, KB/s, MB/s, or GB/s	≥ 0	RabbitMQ instance	1 minute
instance_bytes_out_rate	Message Retrieval	Number of bytes consumed from the RabbitMQ instance per second Unit: byte/s, KB/s, MB/s, or GB/s	≥ 0	RabbitMQ instance	1 minute
deliver_get	Consumption Rate	Number of messages consumed in real time by the RabbitMQ instance per second Unit: Count/second	≥ 0	RabbitMQ instance	1 minute
instance_disk_usage	Instance Disk Usage	Instance disk usage Unit: %	≥ 0	RabbitMQ instance	1 minute
instance_tps	Requests per second of an instance	Number of requests processed by a RabbitMQ instance per second Unit: Count	0–10,000,000	RabbitMQ instance	1 minute

Broker Metrics

Available only for RabbitMQ 3.x.x.

**Table 3** Broker metrics
Metric ID	Metric Name	Description	Value Range	Monitored Object	Monitoring Period (Raw Data)
fd_used	File Handles	Number of file handles used by RabbitMQ in the node Unit: Count	0–65,535	RabbitMQ instance node	1 minute
socket_used	Socket Connections	Number of socket connections used by RabbitMQ in the node Unit: Count	0–50,000	RabbitMQ instance node	1 minute
proc_used	Erlang Processes	Number of Erlang processes used by RabbitMQ in the node Unit: Count	0–1,048,576	RabbitMQ instance node	1 minute
mem_used	Memory Usage	Memory usage of RabbitMQ in the node Unit: byte, KB, MB, GB, TB or PB	0–32,000,000,000	RabbitMQ instance node	1 minute
disk_free	Available Memory	Available memory of RabbitMQ in the node Unit: byte, KB, MB, GB, TB or PB	0–500,000,000,000	RabbitMQ instance node	1 minute
rabbitmq_alive	Node Alive	Whether the RabbitMQ node is alive NOTE: This metric is supported for instances purchased in April 2020 or later.	1: alive 0: not alive	RabbitMQ instance node	1 minute
rabbitmq_disk_usage	Disk Capacity Usage	Disk usage of the RabbitMQ VM Unit: % NOTE: This metric is supported for instances purchased in April 2020 or later.	0–100%	RabbitMQ instance node	1 minute
rabbitmq_cpu_usage	CPU Usage	CPU usage of the RabbitMQ VM Unit: % NOTE: This metric is supported for instances purchased in April 2020 or later.	0–100%	RabbitMQ instance node	1 minute
rabbitmq_cpu_core_load	Average Load per CPU Core	Average load of each CPU core of the RabbitMQ VM NOTE: This metric is supported for instances purchased in April 2020 or later.	> 0	RabbitMQ instance node	1 minute
rabbitmq_memory_usage	Memory Usage	Memory usage of the RabbitMQ VM Unit: % NOTE: This metric is supported for instances purchased in April 2020 or later.	0–100%	RabbitMQ instance node	1 minute
rabbitmq_disk_read_await	Average Disk Read Time	Average time for each disk I/O read in the monitoring period Unit: ms NOTE: This metric is supported for instances purchased in June 2020 or later.	> 0	RabbitMQ instance node	1 minute
rabbitmq_disk_write_await	Average Disk Write Time	Average time for each disk I/O write in the monitoring period Unit: ms NOTE: This metric is supported for instances purchased in June 2020 or later.	> 0	RabbitMQ instance node	1 minute
rabbitmq_node_bytes_in_rate	Inbound Traffic	Inbound traffic per second Unit: byte/s, KB/s, MB/s, or GB/s NOTE: This metric is supported for instances purchased in June 2020 or later.	> 0	RabbitMQ instance node	1 minute
rabbitmq_node_bytes_out_rate	Outbound Traffic	Outbound traffic per second Unit: byte/s, KB/s, MB/s, or GB/s NOTE: This metric is supported for instances purchased in June 2020 or later.	> 0	RabbitMQ instance node	1 minute
rabbitmq_node_queues	Queues	Number of queues in the node Unit: Count NOTE: This metric is supported for instances purchased in June 2020 or later.	> 0	RabbitMQ instance node	1 minute
rabbitmq_memory_high_watermark	Memory High Watermark	Whether the node has reached the memory high watermark, blocking all producers in the cluster NOTE: This metric is supported for instances purchased in June 2020 or later.	1: yes 0: no	RabbitMQ instance node	1 minute
rabbitmq_disk_insufficient	Disk High Watermark	Whether the node has reached the disk high watermark, blocking all producers in the cluster NOTE: This metric is supported for instances purchased in June 2020 or later.	1: yes 0: no	RabbitMQ instance node	1 minute
rabbitmq_disk_read_rate	Disk Read Speed	Number of bytes read from the disk of the node each second Unit: byte/s, KB/s, MB/s, or GB/s NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance node	1 minute
rabbitmq_disk_write_rate	Disk Write Speed	Number of bytes written to the disk of the node each second Unit: byte/s, KB/s, MB/s, or GB/s NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance node	1 minute
connections_usage	Connection Usage	Percentage of current connections to the maximum number of connections Unit: % NOTE: This metric is supported for instances purchased since February 18, 2024.	≥ 0	RabbitMQ instance node	1 minute

Queue Metrics

**Table 4** Queue metrics (RabbitMQ 3.x.x)
Metric ID	Metric Name	Description	Value Range	Monitored Object	Monitoring Period (Raw Data)
queue_messages_unacknowledged	Unacknowledged Messages	Number of messages that have been consumed but not acknowledged in the RabbitMQ queue Unit: Count	0–10,000,000	RabbitMQ instance queue	1 minute
queue_messages_ready	Available Messages	Number of messages that can be retrieved in a RabbitMQ queue Unit: Count	0–10,000,000	RabbitMQ instance queue	1 minute
queue_consumers	Consumers	Number of consumers that are subscribed to the queue Unit: Count NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance queue	1 minute
queue_messages_publish_rate	Production Rate	Number of messages sent to the queue each second Unit: Count/second NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance queue	1 minute
queue_messages_ack_rate	Consumption Rate (Manual)	Number of acknowledged messages sent from the queue to clients each second Unit: Count/second NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance queue	1 minute
queue_messages_deliver_get_rate	Consumption Rate	Number of messages sent from the queue each second Unit: Count/second NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance queue	1 minute
queue_messages_redeliver_rate	Redelivery Rate	Number of messages in the queue redelivered each second Unit: Count/second NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance queue	1 minute
queue_messages_persistent	Total Persisted Messages	Total number of persisted messages in the queue. This is always 0 for transient queues. Unit: Count NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance queue	1 minute
queue_messages_ram	Total Messages in RAM	Total number of messages in the queue that are kept in RAM Unit: Count NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance queue	1 minute
queue_memory	Bytes Consumed by Erlang	Bytes of memory consumed by the Erlang process associated with the queue, including stack, heap, and internal structures Unit: byte, KB, MB, GB, TB or PB NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance queue	1 minute
queue_message_bytes	Total Message Size	Total number of bytes of all messages in the queue Unit: byte, KB, MB, GB, TB or PB NOTE: This metric is supported for instances purchased on or after May 16, 2022.	≥ 0	RabbitMQ instance queue	1 minute

**Table 5** Queue metrics (RabbitMQ AMQP-0-9-1)
Metric ID	Metric Name	Description	Value Range	Monitored Object	Monitoring Period (Raw Data)
queue_messages_ready	Topic Available Messages	Number of messages that can be consumed in a RabbitMQ queue Unit: Count	≥ 0	RabbitMQ instance queue	1 minute
queue_consumers	Consumers	Number of consumers that are subscribed to the queue Unit: Count	≥ 0	RabbitMQ instance queue	1 minute
queue_messages_publish_rate	Message Creation Rate	Number of messages sent to the queue each second Unit: Count/second	≥ 0	RabbitMQ instance queue	1 minute
queue_messages_deliver_get_rate	Consumption Rate	Number of messages sent from the queue each second Unit: Count/second	≥ 0	RabbitMQ instance queue	1 minute
queue_bytes_in_rate	Message Creation	Number of messages produced in real time in the queue per second Unit: byte/s, KB/s, MB/s, or GB/s	≥ 0	RabbitMQ instance queue	1 minute
queue_bytes_out_rate	Message Retrieval	Number of messages consumed in real time in the queue per second Unit: byte/s, KB/s, MB/s, or GB/s	≥ 0	RabbitMQ instance queue	1 minute

Virtual Host Metrics

Available only for RabbitMQ AMQP-0-9-1.

**Table 6** Virtual host metrics
Metric ID	Metric Name	Description	Value Range	Monitored Object	Monitoring Period (Raw Data)
vhost_connections	Connections	Total number of connections in the virtual host Unit: Count	≥ 0	RabbitMQ instance virtual host	1 minute
vhost_channels	Channels	Total number of channels in the virtual host Unit: Count	≥ 0	RabbitMQ instance virtual host	1 minute
vhost_queues	Queues	Total number of queues in the virtual host Unit: Count	≥ 0	RabbitMQ instance virtual host	1 minute
vhost_consumers	Consumers	Total number of consumers in the virtual host Unit: Count	≥ 0	RabbitMQ instance virtual host	1 minute
vhost_messages_ready	Available Messages	Total number of messages that can be consumed from the virtual host Unit: Count	≥ 0	RabbitMQ instance virtual host	1 minute
vhost_messages_publish_rate	Message Creation Rate	Number of messages produced in real time in the virtual host per second Unit: Count/second	≥ 0	RabbitMQ instance virtual host	1 minute
vhost_messages_deliver_get_rate	Consumption Rate	Number of messages consumed in real time in the virtual host per second Unit: Count/second	≥ 0	RabbitMQ instance virtual host	1 minute
vhost_bytes_in_rate	Message Creation	Number of bytes produced in the virtual host per second Unit: byte/s, KB/s, MB/s, or GB/s	≥ 0	RabbitMQ instance virtual host	1 minute
vhost_bytes_out_rate	Message Retrieval	Number of bytes consumed from the virtual host per second Unit: byte/s, KB/s, MB/s, or GB/s	≥ 0	RabbitMQ instance virtual host	1 minute
vhost_tps	Virtual host request rate	Number of requests processed by the current virtual host per second Unit: Count	≥ 0	RabbitMQ instance virtual host	1 minute

Exchange Metrics

Available only for RabbitMQ AMQP-0-9-1.

**Table 7** Exchange metrics
Metric ID	Metric Name	Description	Value Range	Monitored Object	Monitoring Period (Raw Data)
exchange_messages_publish_rate	Message Creation Rate	Number of messages produced in real time in the exchange per second Unit: Count/second	≥ 0	RabbitMQ instance exchange	1 minute
exchange_bytes_in_rate	Message Creation	Number of bytes produced in the exchange per second Unit: byte/s, KB/s, MB/s, or GB/s	≥ 0	RabbitMQ instance exchange	1 minute

Dimensions

Key	Value
rabbitmq_instance_id	RabbitMQ instance
rabbitmq_node	RabbitMQ instance node
rabbitmq_queue	RabbitMQ instance queue
rabbitmq_vhost	RabbitMQ instance virtual host
rabbitmq_vhost_exchange	RabbitMQ instance exchange
rabbitmq_vhost_queue	RabbitMQ instance queue