ThanosRuleQueueIsDroppingAlerts#
This alert is trigerred when Thanos Ruler is failing to queue alerts.
Troubleshooting Hints#
Note
NAMESPACE=monitoring-stack-corp-obs-corp-stg
NAMESPACE=monitoring-stack-corp-obs-corp-prd
- Check if another alert is firing and may give you more information about the problem.
- Check the logs of the Ruler.
- Check if the connection to Alertmanager is working as usual.
Thanos Ruler errors#
Thanos ruler is connected to two Alertmanager instances.
Check Thanos Ruler logs to see the type of error and identify which alertmanager is the problem on:
kubectl get pods -n ${NAMESPACE}
kubectl logs -n ${NAMESPACE} -l app.kubernetes.io/name=thanos-ruler
Alertmanager errors#
Check Alertmanager logs and see errors:
kubectl logs -n ${NAMESPACE} <alertmanager-0|alertmanager-1>