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Prometheus AlertManager job missing
warning

Description A Prometheus AlertManager job has disappeared
Query 
>>>
	
				
					
					
						absent
					
				
			
				
					(
				
			
				
					
				
			
				
					{job="alertmanager"})
Query Explanation

This alert triggers when Prometheus is not scraping any targets configured with the job label "alertmanager". Specifically, the absent() function returns true if no time series match up{job="alertmanager"}, meaning no Alertmanager instance is currently known or reporting its up status.

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