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Thanos Sidecar Bucket Operations Failed
critical

Description Thanos Sidecar {{$labels.instance}} bucket operations are failing
Query for 5m 
>>>
	
				
					sum by (job, instance) (
				
			
				
					
					
						rate
					
				
			
				
					(
				
			
				
					
				
			
				
					{job=~".*thanos-sidecar.*"}[5m])) > 0
Query Explanation

The query computes the per‑instance rate of thanos_objstore_bucket_operation_failures_total over the last 5 minutes, sums that rate for each job/instance pair, and fires when the sum is > 0. Thus, the alert triggers as soon as any Thanos sidecar reports at least one bucket‑operation failure in the 5‑minute window.

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