AlertmanagerFailedToSendAlerts # Meaning # At least one instance is unable to routed alert to the corresponding integration. Impact # No impact since another instance should be able to send the notification, unless AlertmanagerClusterFailedToSendAlerts is also triggerd for the same integration. Diagnosis # Verify the amount of failed notification per alert-manager-[instance] for a specific integration. You can look metrics exposed in prometheus console using promQL. For exemple the following ...
