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HAProxy high HTTP 4xx error rate backend
critical

Description Too many HTTP requests with status 4xx (> 5%) on backend {{ $labels.fqdn }}/{{ $labels.backend }}
Query for 1m 
>>>
	
				
					((sum by (proxy) (
				
			
				
					
					
						rate
					
				
			
				
					(
				
			
				
					
				
			
				
					{code="4xx"}[1m])) / sum by (proxy) (
				
			
				
					
					
						rate
					
				
			
				
					(
				
			
				
					
				
			
				
					[1m]))) * 100) > 5
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