Connecting Kubernetes services with linkerd

To be fair, the less you have to scale vertically, the less your horizontal scaling will cost. Though I don't think a 100 MB RAM JVM is going to be a big problem unless you plan on something like Toasters as a Service. GCs usually get efficient if the heap is about 6 times as big as it needs to be, and at that point you're still only at 600 MB RAM. At any rate, I doubt the bottleneck will be in linkerd.