Depends upon how far apart are the servers. It is on our roadmap to experiment with Dgraph servers as part of one cluster across US based datacenters. Once we e

Depends upon how far apart are the servers. It is on our roadmap to experiment with Dgraph servers as part of one cluster across US based datacenters. Once we establish that, we can try it out across US / Europe, etc. We use 100ms heartbeats, with 20x that for election timeouts, in line with Etcd. Don't think that's exposed to the end user -- nobody has needed to tweak that.