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Elasticsearch Heap Usage Too High
critical

Description The heap usage is over 90%
Query for 2m 
>>>
	
				
					(
				
			
				
					
				
			
				
					{area="heap"} / 
				
			
				
					
				
			
				
					{area="heap"}) * 100 > 90
Query Explanation

The rule computes the JVM heap usage percentage by dividing elasticsearch_jvm_memory_used_bytes{area="heap"} by elasticsearch_jvm_memory_max_bytes{area="heap"} and multiplying by 100; the alert triggers whenever this percentage exceeds 90 %, meaning more than 90 % of the configured heap is being used.

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