Where did the idea for a Shadow Request come from?
Our back-end team sometimes adds calls to a new service that they're building to test the load, a lot like this! So the idea was in the air at OkCupid, so to speak. And with such a big new piece of infrastructure, I knew there would be problems, it's just how it works. So I wanted to get something into production really quickly to have something to troubleshoot against.