It was something to do with consumer releases (e.g. product launches) so we had to handle extremely sudden bursts in traffic. We leveraged the CDN heavily but

It was something to do with consumer releases (e.g. product launches) so we had to handle extremely sudden bursts in traffic. We leveraged the CDN heavily but I had to drill down and dive deep into the specifics of our CDN and our stack. One mistake might mean turning 10,000 into 100,000 requests and over 100 million requests, it would become a big(ger) deal.