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by user5994461 3117 days ago
Judging by the GDAX runbook, they barely have a couple of orders per second. They can't have performance problem at this scale.

I've seen exchanges running 10 or 100 times that amount with no problem, ran by only a couple of graduates out of school.

Either way, doesn't matter. Exchanges have no performance problem, it's a big queue, you just queue requests.