OR there wasn't backpressure on a cascading failover so as services failed they increasingly failed to more and more overloaded systems
OR there WAS backpressure and it was the luck of the draw whether you were queued into an error page or got good data
OR the autoscaling couldn't keep up with the onsale window. This used to happen in ticketing a lot. Ticketmaster has a talk somewhere where they talk about warming the scaling load and server cache in anticipation of big ticketing onsales. The time it took to autoscale was just too long.
OR there wasn't backpressure on a cascading failover so as services failed they increasingly failed to more and more overloaded systems
OR there WAS backpressure and it was the luck of the draw whether you were queued into an error page or got good data
OR the autoscaling couldn't keep up with the onsale window. This used to happen in ticketing a lot. Ticketmaster has a talk somewhere where they talk about warming the scaling load and server cache in anticipation of big ticketing onsales. The time it took to autoscale was just too long.