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Thanos Rule Queue Is Dropping Alerts
critical

Description Thanos Rule {{$labels.instance}} is failing to queue alerts.
Query for 5m 
>>>
	
				
					sum by (job, instance) (
				
			
				
					
					
						rate
					
				
			
				
					(
				
			
				
					
				
			
				
					{job=~".*thanos-rule.*"}[5m])) > 0
Query Explanation

The query computes the per‑instance rate of alerts dropped by Thanos rule components over the last 5 minutes (using rate(...[5m])), sums that rate by job and instance, and checks if it exceeds zero. The alert fires whenever any Thanos rule instance has dropped at least one alert in the recent 5‑minute window.

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