ClickHouse Memory Usage Critical
critical

Description Memory usage is critically high, over 90%.
Query for 5m
>>>
	
				
					
				
			
				
					 / 
				
			
				
					
				
			
				
					 * 100 > 90
				
			
    
Query Explanation

The rule calculates the percentage of memory used by dividing ClickHouseAsyncMetrics_CGroupMemoryUsed by ClickHouseAsyncMetrics_CGroupMemoryTotal, multiplies by 100, and fires when this value exceeds 90 %. Thus, whenever the container’s memory consumption is above 90 % of its limit, the alert triggers.

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