Promhub Logo Prom hub

HAProxy high HTTP 4xx error rate server
critical

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

The query calculates the percentage of HTTP responses with 4xx status codes per server over the last minute, and triggers when this percentage exceeds 5 %. It sums the 4xx response rate and divides by the total response rate for each server, then multiplies by 100.

Get Alert✕
Download
Copy to Clipboard