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by fizx 497 days ago
The scale is easy in practice, cause you outsource to a CDN. But everything takes time and has opportunity cost.
1 comments

Maybe we've worked with different FF systems, but anything that involves a call more expensive than an RPC would be lethal to request latency. Calling out to a CDN forty five times per inbound request would be... Infeasible
A background thread long polls the CDN, updating a local hashmap on change.