Kafka

Available since MOS 21.1

This section lists the alerts for Kafka.


KafkaClusterTargetsOutage

Available since MOS 21.6

Severity

Critical

Summary

Kafka cluster Prometheus targets outage.

Description

Prometheus fails to scrape metrics from 2/3 of the {{ $labels.cluster }} cluster endpoints (more than 1/10 failed scrapes).


KafkaInsufficientBrokers

Severity

Critical

Summary

Kafka cluster has missing brokers.

Description

The {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} namespace has missing brokers.


KafkaMissingController

Severity

Critical

Summary

Kafka cluster controller is missing.

Description

The {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} namespace has no controllers.


KafkaOfflinePartitionsDetected

Severity

Critical

Summary

Unavailable partitions in Kafka cluster.

Description

Partitions without a primary replica have been detected in the {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} namespace.


KafkaTooManyControllers

Severity

Critical

Summary

Kafka cluster has too many controllers.

Description

The {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} in namespace has too many controllers.


KafkaUncleanLeaderElectionOccured

Severity

Major

Summary

Unclean Kafka broker was elected as cluster leader.

Description

A Kafka broker that has not finished the replication state has been elected as leader in {{ $labels.cluster }} within the {{ $labels.namespace }} namespace.


KafkaUnderReplicatedPartitions

Severity

Warning

Summary

Kafka cluster has underreplicated partitions.

Description

The topics in the {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} namespace have insufficient replica partitions.