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ClickHouse Disk Space Low on Backups
warning

Description Disk space on backups is below 20%.
Query for 2m 
>>>
	
				
					
				
			
				
					 / (
				
			
				
					
				
			
				
					 + 
				
			
				
					
				
			
				
					) * 100 < 20
Query Explanation

The expression calculates the free‑space percentage of the backup storage by dividing ClickHouseAsyncMetrics_DiskAvailable_backups by the sum of ClickHouseAsyncMetrics_DiskAvailable_backups and ClickHouseAsyncMetrics_DiskUsed_backups and multiplying by 100. The alert fires when this percentage drops below 20 %.

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