You can call Cloud Monitor resource statistics operations to query the usage of Message Queue for Apache Kafka instances, consumer groups, and topics.

List of operations by function

The following table describes the Cloud Monitor resource statistics operations available for use in Message Queue for Apache Kafka.

API Description
DescribeProjectMeta Queries information about a connected cloud service, including its description, namespace, and tags.
Note For more information about Message Queue for Apache Kafka , see Message Queue for Apache Kafka information.
DescribeMetricMetaList Queries the descriptions of time series metrics that are supported in Cloud Monitor.
Note For information about Message Queue for Apache Kafka metrics, see .
DescribeMetricLast Queries the latest monitoring data of a specified metric.
DescribeMetricList Queries the monitoring data on a time series metric of a cloud service in a specified period of time.
DescribeMetricTop Queries the sorted monitoring data on a time series metric of a cloud service in a specified period of time.
DescribeMetricData Queries the monitoring data on a time series metric of a cloud service in a specified period of time.

RAM user authorization

For more information about how to grant Cloud Monitor permissions to Resource Access Management (RAM) users, see Control permissions of RAM users.

Make API requests

For more information about how to call Cloud Monitor resource statistics operations, see Request method.

Message Queue for Apache Kafka information

Cloud Monitor resource statistics provide information about Message Queue for Apache Kafka resources in the following format: 
{
    "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 of Message Queue for Apache Kafka

The following table lists Message Queue for Apache Kafka metrics provided by Cloud Monitor resource statistics.

Metric Description Unit Dimensions
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 in a consumer group. Count
  • instanceId
  • consumerGroup
message_accumulation_onetopic The number of unconsumed messages in a single topic for a consumer group. Count
  • instanceId
  • consumerGroup
  • topic
topic_message_input The message production traffic of a topic. bytes/s
  • instanceId
  • topic
topic_message_output The message consumption traffic of a topic. bytes/s
  • instanceId
  • topic