Hi @Willem520,
Thanks for sharing this feedback
Regarding 1. We understand and agree that multi-tenancy is an important feature. It is in our roadmap and we are actively working on it
Regarding 2. We have a pull request open with some optimizations. You will find the link in this other discussion: Would snapshot stop mutation and read - #3 by ashishgoswami . You might want to subscribe to the corresponding GitHub ticket to get a mail notification when the issue is closed: when alpha Creating snapshot, the response time writing or querying of txn is takes several seconds · Issue #4250 · dgraph-io/dgraph · GitHub
I hope the above helps,