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ClickHouse distributed rejected inserts
critical

Description INSERTs into Distributed tables rejected due to pending bytes limit.
Query for 2m 
>>>
	
				
					
					
						increase
					
				
			
				
					(
				
			
				
					
				
			
				
					[5m]) > 0
Query Explanation

The query measures the rise in the ClickHouseProfileEvents_DistributedRejectedInserts counter over the past 5 minutes (increase(...[5m])). If that increase is greater than 0—meaning at least one INSERT into a Distributed table was rejected because the pending‑bytes limit was hit—the alert fires.

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