Performance analysis of complex systems is really tricky, and good benchmarks are even trickier. We'll be working through posting numbers, docs, tips, etc. over the next few months. Documenting this well is very hard work, so it'll take a little bit of time.
In the meantime, you can always chat with us and we'll help you work through any issues you might run into.
Can I provide an intelligent sharding algorithm in place of a naive partition by primary key? I always get into trouble encoding things into primary keys eventually.
In the meantime, you can always chat with us and we'll help you work through any issues you might run into.