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Istio Kubernetes gateway availability drop
warning

Description Gateway pods have dropped. Inbound traffic will likely be affected.
Query for 1m 
>>>
	
				
					
					
						min
					
				
			
				
					(
				
			
				
					
				
			
				
					{deployment="istio-ingressgateway", namespace="istio-system"}) without (instance, pod) < 2
Query Explanation

The query finds the smallest number of available replicas for the istio-ingressgateway deployment in the istio-system namespace (ignoring instance and pod labels) and fires the alert when this minimum drops below 2, meaning fewer than two gateway pods are ready and inbound traffic may be impacted.

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