16K writes/second is very impressive (Disclaimer: I work on competing products), from my experience of working on distributed database performance. I've been watching various system's performance spec and this is quite good.

My only complaint is that most vendors report the SUM total writes/second across all nodes which I think is a bit unfair for titles/linkbaiting. Reporting single node writes/second is much more honest. Why? Because if they had spun up 64 nodes rather than 32... or any arbitrary number, they could get whatever number they want. That said, still very impressive.