Pod is Scheduled on a GPU: How to Identify in Kubernetes

To find out which pods are scheduled on a GPU in a Kubernetes cluster, you can use the following steps:

1. Use kubectl to List Pods with GPU Requests

Kubernetes uses resource requests and limits to manage GPU allocation. To identify which pods are scheduled with GPU resources, you can filter pods based on the resource requests for GPUs.

Run the following command to list all pods in a namespace (or across all namespaces) that request GPU resources:

kubectl get pods --all-namespaces -o jsonpath="{range .items[?(@.spec.containers[*].resources.requests['nvidia.com/gpu'])]}{.metadata.namespace}{'\t'}{.metadata.name}{'\n'}{end}"

2. Check Pod Descriptions for GPU Requests

Alternatively, you can describe a specific pod to see if it has GPU resources requested. This will show detailed information about the pod’s resource requests and limits, including GPUs:

kubectl describe pod <pod-name> -n <namespace>

Look for the Requests and Limits sections under each container to see if there is a request for nvidia.com/gpu (or another GPU resource type).

3. Use kubectl with Label Filtering

If your GPU pods are labeled (e.g., with a label like gpu: true), you can filter the pods using that label:

kubectl get pods -l gpu=true --all-namespaces

4. Check Node Resources for GPU Pods

You can also check the nodes in the cluster to see which pods have consumed GPU resources. Run the following command to list all nodes and the status of their allocated resources:

kubectl describe nodes | grep -A 10 Allocated

This will show the GPU allocation status of each node, which indirectly gives you information about which nodes have GPU-allocated pods.

5. Use a Monitoring Tool or Dashboard

If you have monitoring tools like Prometheus, Grafana, or the Kubernetes Dashboard installed, you can visualize GPU utilization and see which pods are using GPUs through those interfaces.

Would you like a more detailed explanation of any of these steps?

Conclusion

To simply discover which types of pods are easily scheduled on the best GPU dedicated server in a Kubernetes cluster, simply follow all the above-mentioned steps properly. Kubernetes utilizes requests for resources and restrictions to handle the allocation of GPUs. To find which pods are simply scheduled with crucial GPU resources, you can easily filter pods according to the resource requests for GPU servers.