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HAProxy pending requests
warning

Description Some HAProxy requests are pending on {{ $labels.proxy }} - {{ $value | printf "%.2f"}}
Query for 2m 
>>>
	
				
					sum by (proxy) (
				
			
				
					
					
						rate
					
				
			
				
					(
				
			
				
					
				
			
				
					[2m])) > 0
Query Explanation

It sums, per proxy, the 2‑minute rate of the metric haproxy_backend_current_queue, which counts queued requests. The alert fires when this sum is greater than zero, meaning at least one request is pending on that HAProxy instance.

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