Thanos Sidecar Is Down
critical
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Description ThanosSidecar has disappeared. Prometheus target for the component cannot be discovered.

Query for 5m

>>>
	
				
					
					
						absent
					
				
			
				
					(
				
			
				
					
				
			
				
					{job=~".*thanos-sidecar.*"} == 1)

Query Explanation

The query uses absent() to fire when there is no time series up{job=~".*thanos-sidecar.*"} == 1; in other words, if no Thanos sidecar target is reporting up=1, the expression evaluates to 1 and the alert triggers.

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Thanos Sidecar Is Down
critical
Get Alert