Garbage collection is important to ensure sufficient resource availability and avoiding degraded performance and availability. In the worst case, the system might crash or just be unusable for a long period of time. The current setting for garbage collection is 12,500 terminated pods which might be too high for your system to sustain. Based on your system resources and tests, choose an appropriate threshold value to activate garbage collection.
Activate garbage collector on pod termination, as appropriate.
Run the following command on the Control Plane node:
ps -ef | grep kube-controller-manager
Verify that the
--terminated-pod-gc-threshold argument is set as appropriate.
Edit the Controller Manager pod specification file
/etc/kubernetes/manifests/kube-controller-manager.yaml on the Control Plane node and set the
--terminated-pod-gc-threshold to an appropriate threshold, for example:
--terminated-pod-gc-threshold is set to
Updated 28 days ago