Nah. At 500k rps there was no need, sampling wise and as you point out hugely expensive. Though the new system was 10x fewer servers at 10x lower latency :). At

Nah. At 500k rps there was no need, sampling wise and as you point out hugely expensive. Though the new system was 10x fewer servers at 10x lower latency :). At smaller scale, you could probably do all of them.