Yes, we will fan out queries when necessary. In a hard core oltp workload this will affect latency across the system by flooding the network (if you send too ma

Yes, we will fan out queries when necessary. In a hard core oltp workload this will affect latency across the system by flooding the network (if you send too many of these queries at once) but we expose knobs that let you limit these queries' parallelism to keep the rest of the system really fast.