EventRateLimit admission control enforces a limit on the number of events that the API Server will accept in a given time slice. A misbehaving workload could overwhelm and DoS the API Server, making it unavailable. This particularly applies to a multi-tenant cluster, where there might be a small percentage of misbehaving tenants which could have a significant impact on the performance of the cluster overall. Hence, it is recommended to limit the rate of events that the API server will accept.
Note: This is an Alpha feature in the Kubernetes 1.15 release.
Limit the rate at which the API server accepts requests.
Run the following command on the Control Plane node:
ps -ef | grep kube-apiserver
Verify that the
--enable-admission-plugins argument is set to a value that includes
Follow the Kubernetes documentation and set the desired limits in a configuration file.
Then, edit the API server pod specification file
/etc/kubernetes/manifests/kube-apiserver.yaml and set the below parameters.
You need to carefully tune in limits as per your environment.
EventRateLimit is not set.
Updated 6 days ago