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by mirceal 2762 days ago
that’s not entirely true. while your warm lambdas can and will take the traffic it your traffic ramps up, additional lambda instances will be spun up. you will pay cold start prices as they are spinning up. so, even if you have a heavily used lambda fn, depending on the traffic your p99 will still look pretty bad and you will not be able to guarantee that all requests will be processes in x ms or less.