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Loki request latency
critical

Description The {{ $labels.job }} {{ $labels.route }} is experiencing {{ printf "%.2f" $value }}s 99th percentile latency
Query for 5m 
>>>
	
				
					(
				
			
				
					
					
						histogram_quantile
					
				
			
				
					(0.99, 
				
			
				
					
					
						sum
					
				
			
				
					(
				
			
				
					
					
						rate
					
				
			
				
					(
				
			
				
					
				
			
				
					{route!~"(?i).*tail.*"}[5m])) by (le)))  > 1
Query Explanation

The rule computes the 99th‑percentile request latency for each Loki job/route (excluding routes containing “tail”) by taking the rate of the loki_request_duration_seconds_bucket histogram over the past 5 minutes. The alert fires when this latency exceeds 1 second.

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