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TLDR The Circuit Breaker pattern - fail fast when it’s likely that an operation will fail based on its previous invocations. Context Say you’re placing an order on a groceries app. You make the payment and you’re waiting for that happy payment confirmation screen with its melodious chime that almost always appears immediately. However, this time, it does not. You wait thirty long, painful seconds and are eventually annoyed to see a “Could not confirm payment” message. Now let’s say this is...