You can call CloudMonitor resource statistics operations to query the usage of Message Queue for Apache Kafka instances, groups, and topics.
List of operations by function
For more information about the CloudMonitor resource statistics operations available for use in Message Queue for Apache Kafka, see List of API operations by function.
Grant permissions to RAM users
For more information about how to grant permissions on CloudMonitor resource statistics operations to RAM users, see RAM authorization.
Call API operations
For more information about how to call CloudMonitor resource statistics operations, see Request methods.
Information about Message Queue for Apache Kafka resources
{
"PageSize": 30,
"RequestId": "5AD2B98E-0E93-46FB-9790-185F338254FF",
"PageNumber": 1,
"Total": 1,
"Resources": {
"Resource": [
{
"Description": "Message Queue for Apache Kafka",
"Labels": "[{\"name\":\"product\",\"value\":\"Kafka\"},{\"name\":\"productCategory\",\"value\":\"kafka\"},{\"name\":\"groupFlag\",\"value\":\"false\"},{\"name\":\"cnName\",\"value\":\"Message Queue for Apache Kafka\"},{\"name\":\"enName\",\"value\":\"MQ for Kafka\"}]",
"Namespace": "acs_kafka"
}
]
},
"Code": 200,
"Success": true
}
Metrics for Message Queue for Apache Kafka
The following table describes the metrics for Message Queue for Apache Kafka provided by CloudMonitor resource statistics.
| Metric | Description | Unit | Dimension |
|---|---|---|---|
| instance_disk_capacity | The disk usage of a Message Queue for Apache Kafka instance. | % | instanceId |
| instance_message_input | The message production traffic of a Message Queue for Apache Kafka instance. | bytes/s | instanceId |
| instance_message_output | The message consumption traffic of a Message Queue for Apache Kafka instance. | bytes/s | instanceId |
| message_accumulation | The total number of unconsumed messages for a group. | N/A |
|
| message_accumulation_onetopic | The number of unconsumed messages in a topic for a group. | N/A |
|
| topic_message_input | The message production traffic of a topic. | bytes/s |
|
| topic_message_output | The message consumption traffic of a topic. | bytes/s |
|