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Kubernetes API server errors
critical

Description Kubernetes API server is experiencing high error rate
Query for 2m 
>>>
	
				
					
					
						sum
					
				
			
				
					(
				
			
				
					
					
						rate
					
				
			
				
					(
				
			
				
					
				
			
				
					{job="apiserver",code=~"(?:5..)"}[1m])) by (instance, job) / 
				
			
				
					
					
						sum
					
				
			
				
					(
				
			
				
					
					
						rate
					
				
			
				
					(
				
			
				
					
				
			
				
					{job="apiserver"}[1m])) by (instance, job) * 100 > 3
Query Explanation

The rule computes the percentage of API‑server requests that returned 5xx status codes over the past minute for each instance/job pair, and triggers when that error rate exceeds 3 %.

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