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by rossmohax 1797 days ago
> K8 does one thing well, manage complex distributed systems such as knowing when to scale up and down if you so choose and when to start up new pods when they fail.

K8S does very simple stateless case well, but anything more complicated and you are on your own. Statefull services is still a major pain especially thus with leader elections. There is not feedback to K8S about application state of the cluster, so it can't know which instancess are less disruptive to shut down or which shard needs more capacity.