ReferenceIncidentsEra 3 · Series AFlash saleA flash sale: 20× the usual checkouts for a few minutes.What happens#A flash sale: 20× the usual checkouts for a few minutes.How to prevent it#A Queue for the checkout work, an Autoscaler, and load shedding.The postmortem opens the first of these that you do not own yet:AutoscalingPriority load sheddingComponents it hits#Payment Provider