I'm curious to see what the real-world implications of this iteration of Spanner are against Calvin-based designs, like FaunaDB. Obviously Calvin is better for

I'm curious to see what the real-world implications of this iteration of Spanner are against Calvin-based designs, like FaunaDB. Obviously Calvin is better for low-latency workloads, but I'm curious about the comparison with a mix of workloads, where latency is important but not mission-critical.