I have changed the query to
sum(rate(node_cpu_seconds_total{mode!="idle"} [5m])) by (node) /
sum(kube_node_status_capacity_cpu_cores) by node
But the result is the same. my problem is not fixed
On Thursday, July 8, 2021 at 12:49:54 PM UTC-4 James S wrote:
>
> GCP monitoring CPU usage for the node
> [image: 78903591-5A30-42EC-934D-ED4065F3B46B.png]
> On Thursday, July 8, 2021 at 12:48:05 PM UTC-4 James S wrote:
>
>> It is 4 CPU machine
>> the Grafana graph:
>> [image: DAD8018C-0081-4856-8D89-C4700BB65F23.png]
>> GCP monitoring:
>> [image: 78903591-5A30-42EC-934D-ED4065F3B46B.png]
>> On Thursday, July 8, 2021 at 12:13:23 PM UTC-4 Stuart Clark wrote:
>>
>>> On 2021-07-08 16:07, James S wrote:
>>> > We do not see any stress on the cluster and we do not see this in GCP
>>> > cloud monitoring this behavior.
>>> >
>>>
>>> What does the graph of the metric look like?
>>>
>>> Is this a single or multiple CPU machine?
>>>
>>> > On Thursday, July 8, 2021 at 9:50:37 AM UTC-4 Stuart Clark wrote:
>>> >
>>> >> On 08/07/2021 14:31, James S wrote:
>>> >>> We are getting False positive for only one node all the time. we
>>> >> do
>>> >>> not have this issue with other nodes
>>> >>>
>>> >>> we have the rule configured for the CPU usage was
>>> >>>
>>> >>> alert:NodeCPUUtilWar
>>> >>> expr: instance:node_cpu_utilisation:rate1m > 0.8
>>> >>> for: 5m
>>> >>>
>>> >>> record: instance:node_cpu_utilisation:rate1m
>>> >>> - expr:
>>> >>> 1 - avg without (cpu, mode)
>>> >>> (rate(node_cpu-seconds_total{job="node_exporter", mode ="idle"}
>>> >> [1m]))
>>> >>>
>>> >> What makes you say it is a false positive? What does the graph of
>>> >> that
>>> >> metric show?
>>> >>
>>>
>>> --
>>> Stuart Clark
>>>
>>
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