> And is etcd significantly better than Zookeeper ? Not really. So not a great example for Go's supremacy.

ZK is using Paxos and Etcd is using Raft. It's difficult to compare languages in this case as you will compare consensus algorithms mostly.

> Also with GraalVM you can equally support low memory, fast startup use cases.

How is GraalVM performance this days? Last time I've checked[1] it was a lot slower than JIT.

1. https://benchmarksgame-team.pages.debian.net/benchmarksgame/...