It depends. We have a ton of Java apps running atop of kubernetes. All of them use zk, but every team operates their own mini zk cluster deployed on k8s. It’s worked fine except for certain hard to debug problems that hit a few teams occasionally.

I guess my point is that k8s let’s you shift the operational burden to dev teams if they need it. If you have a centralized operations team running a giant, common zk/ etcd, yeah this would be additional operational burden.