Kafka consumer groups are groups of consumers that work together to consume from an associated topic.

You must add Kafka exporters to your deployment to view this entity. See Configure Kafka.

Cisco Cloud Observability displays Apache Kafka entities on the Observe page. Metrics are displayed for specific entity instances in the list and detail views.

Detail View 

To display the detail view for a Kafka consumer group:

  1. Navigate to the Observe page.
  2. Under Infrastructure, click Kafka Clusters.
  3. In the Relationships map in the left panel, click Consumer Groups.
  4. Click a Consumer Group Name to display the detail view for the selected instance.
    The detail view displays metrics, key performance indicators, and properties (attributes) related to the instance you selected.

Metrics and Key Performance Indicators 

Cisco Cloud Observability displays the following metrics and key performance indicators (KPIs) for Kafka consumer groups.

Display NameDescription
Total Lag (Count)

The total number of events that have yet to be consumed by the consumer group at the topic for all partitions.

Total Offset (Count)

The total offset of the consumer group at the topic for all partitions.

Number of ConsumersThe total number of consumers.

Properties (Attributes)

Cisco Cloud Observability displays the following properties for Kafka consumer groups.

Display Name

Description

Kafka Consumer Group

The Kafka consumer group name.

Kafka Topic Name

The Kafka topic name.

Kafka Cluster Name

The Kafka cluster name.

Kubernetes Cluster Name

The Kubernetes cluster name.

Kubernetes Namespace

The Kubernetes namespace name.

Retention and Purge Time-To-Live (TTL)

For all cloud and infrastructure entities, the retention TTL is 180 minutes (3 hours) and the purge TTL is 525,600 minutes (365 days). 

KAFKA is a registered trademark of The Apache Software Foundation and has been licensed for use by Splunk AppDynamics and its affiliates (together, "Cisco AppDynamics"). Splunk AppDynamics has no affiliation with and is not endorsed by The Apache Software Foundation.

Prometheus® and Kubernetes® (as applicable) are trademarks of The Linux Foundation®.