1/7 Problem: How to scale trading/liquidation engines up to 500k/1M/10M users? 100k users are manageable, but eventually single threaded architecture will bottleneck growing number of users.https://twitter.com/paoloardoino/status/1238965074427088903 …
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6/7 * When a LEO gets processed, the OB thread evaluates (querying UD) if the user should still be liquidated and using which LS. * We tested this system with 100sK users + apocalyptic cascading liquidations and ended up always in ensuring the 0-sum game
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7/7 * Complexity of this solution relies in write tests (we have more than 1000 automated simulations running) * Happy to elaborate if not really clear. * These are the types of solutions used in huge brokers with M of customers. No much way around it.
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