Popular Database Implementations in Go

When I first discovered the fact that ETCD is written in Go, I was quite surprised. My expectation was C or C++, maybe Python, but not Go. I knew that Go is quite popular in a cloud-native word and was aware of the fact that Docker and Kubernetes are written in Go. But for database systems, you usually do not expect to see new languages in use (here I should say relatively new, because first release of Go was back in…