How can I monitor performance and resource usage on my Kubernetes (LKE) cluster?

Linode Staff

Hello, how can I monitor my cluster's performance using LKE? Also, is your team thinking of adding the metrics-server service to LKE, or will that be up to us to deploy it into a cluster? I ask because the kubectl top command is quite helpful for me and I just want to know if I should wait until it is added or if I should look into adding it to my cluster.

1 Reply

There are a few ways you can gather insight for your cluser's performance with LKE.


For starters, you can run these two commands right out-of-the-box with LKE. They provide valuable insight the the status of your cluster.

$ kubectl describe pods
$ kubectl describe nodes

However, it seems that you may be looking for more real-time insight, so I've included some more options below.


I can't say that metrics-server will come pre-installed with LKE. However, you can certainly install this on your own and use kubectl top to view resource metrics from your cluster. Here are some resources that may be helpful in setting this up:

Bitnami: Metrics-Server

GitHub: Metrics-Server

If you follow the second guide, you'll need to upgrade metrics-server since metrics.k8s isn't available in our current cluster. After installation, the following command should get you on your way:

$ helm upgrade my-release bitnami/metrics-server \
    --set apiService.create=true


Another option you may be interested in exploring is Prometheus. This tool collects time series data, then allows you to visualize metrics and configure alerts. This guide has instructions that you may follow to get this set up: GitHub: Prometheus

The following command should get you started:

$ helm install [name] stable/prometheus


Here's another similar tool for monitoring your cluster. Grafana offers data visualization which allows you to generate graphs and maps to understand your data. You may also set up alerts to be notified when certain conditions are met. Here's the page for GitHub: Grafana. To kick things off, you can run the following command to start the installation process:

$ helm install [name] grafana stable/grafana

Hope this helps!


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