Hi @Mumshad Mannambeth @Vijin Palazhi, i have upgraded my cluster to v1.21.1,aft . . .

om Singh:
Hi @Mumshad Mannambeth @Vijin Palazhi, i have upgraded my cluster to v1.21.1,afterwards the master node responding very slow. can anyone help on this?

Ajith Reddy:
Used kubeadm to manage the cluster ?