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Cassandra cache hit rate key cache
critical

Description Key cache hit rate is below 85%
Query for 2m 
>>>
	
				
					
				
			
				
					{name="org:apache:cassandra:metrics:cache:keycache:hitrate:value"} < .85
Query Explanation

The rule monitors the metric cassandra_stats{name="org:apache:cassandra:metrics:cache:keycache:hitrate:value"} and fires when its value falls below 0.85 – i.e., when the Cassandra key‑cache hit rate drops under 85%.

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