aliciascott
commented
2 years ago I tested this on a KIND Cluster running version
kind version 0.12.0
It appears in your screen shots you'll want to scope out on your Metrics/ Notebook by pod_name, otherwise we show the avg of the memory limits for all pods by your deployment name "nginx-deployment" or in this case since you are scoping by entire Infrastructure, so here is an example in a Notebook how it would look:
kubectl describe deployment nginx-deployment
Name: nginx-deployment
Namespace: kube-system
CreationTimestamp: Mon, 04 Apr 2022 14:27:36 -0600
Labels: <none>
Annotations: deployment.kubernetes.io/revision: 2
Selector: app=nginx
Replicas: 2 desired | 2 updated | 2 total | 2 available | 0 unavailable
StrategyType: RollingUpdate
MinReadySeconds: 0
RollingUpdateStrategy: 25% max unavailable, 25% max surge
Pod Template:
Labels: app=nginx
Containers:
nginx:
Image: nginx:1.14.2
Port: 80/TCP
Host Port: 0/TCP
Limits:
cpu: 500m
memory: 20Mi
Requests:
cpu: 250m
memory: 20MiOr, if you want to graph this out via the Metrics explorer; instead of graph over entire Infrastructure, again you would want to graph by pod_name which should then show the accurate representation of the memory limits you set respective to the nginx pod:
yummydsky
.
Output of the info page (if this is a bug)
Describe what happened: The metric of kubernetes.memory.limits is incorrect when the K8s cluster is in the KIND environment. The kubernetes.memory.limits of pod nginx-prepared-b579c489c-bkmfw in Datadog Dashboard is 40MiB.
Describe what you expected: The memory limit of the pod
nginx-prepared-b579c489c-bkmfwis 20MiBSteps to reproduce the issue: Step 1. Prepare Kubernetes IN Docker environment. Step 2. Apply a deployment with CPU Limit/Request, Memory Limit/Request Step 3. Check the kubernetes.memory.limits metrics in Datadog Dashboard
Additional environment details (Operating System, Cloud provider, etc): root@KIND:~# kind --version kind version 0.11.1
root@KIND:~# kubectl version Client Version: version.Info{Major:"1", Minor:"18", GitVersion:"v1.18.8", GitCommit:"9f2892aab98fe339f3bd70e3c470144299398ace", GitTreeState:"clean", BuildDate:"2020-08-13T16:12:48Z", GoVersion:"go1.13.15", Compiler:"gc", Platform:"linux/amd64"} Server Version: version.Info{Major:"1", Minor:"18", GitVersion:"v1.18.8", GitCommit:"9f2892aab98fe339f3bd70e3c470144299398ace", GitTreeState:"clean", BuildDate:"2020-09-14T07:44:34Z", GoVersion:"go1.13.15", Compiler:"gc", Platform:"linux/amd64"}