need k8s.pod.memory.working_set_memory_limit_utilization metric

[halleystar]

Component(s)

receiver/kubeletstats

Is your feature request related to a problem? Please describe.

need k8s.pod.memory.working_set_memory_limit_utilization, beacuse k8s pod oom is Obtained through working_set_memory / memory limit。But there is only k8s.pod.memory_limit_utilization.

Describe the solution you'd like

need k8s.pod.memory.working_set_memory_limit_utilization metric

Describe alternatives you've considered

need k8s.pod.memory.working_set_memory_limit_utilization metric

Additional context

No response

[github-actions]

Pinging code owners:

• receiver/kubeletstats: @dmitryax @TylerHelmuth

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[ChrsMark]

Hey @halleystar! Isn't the container's memory_working_set the crucial one here instead of the Pod's one? The OOM killer is triggered based on the container's memory_working_set metric I think, right?

Since we have multiple memory metrics I guess it would make sense to have their *memory*utilization equivalent ones. This one also has some good justification, but I would love other's opinions here as well.

We should also consider discussing it as part of the open-telemetry/semantic-conventions#1032 as well.

[halleystar]

yes! your are right. It should be container's memory_working_set. I think we should have a relation memoryutilization at the same time. Otherwise we should provide container request and limit memory to calculate memory usage to observe whether OOM is about to occur.

[github-actions]

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Pinging code owners:

• receiver/kubeletstats: @dmitryax @TylerHelmuth @ChrsMark

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