ClickHouse Memory Usage Warning warning
Memory usage is over 80%.
>>>
/
* 100 > 80
The rule computes the memory‑usage percentage for a ClickHouse process by dividing ClickHouseAsyncMetrics_CGroupMemoryUsed by ClickHouseAsyncMetrics_CGroupMemoryTotal, multiplying the result by 100, and fires when this percentage exceeds 80 %. In other words, if the instance’s memory consumption rises above 80 % of its allocated cgroup limit, the alert is triggered.
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